Grundfos pmu 2000 инструкция по эксплуатации на русском языке - Arganabio.ru - инструкции по эксплуатации и многое другое

GRUNDFOS INSTRUCTIONS

BoosterpaQ

®

Grundfos CR-Booster Systems

60 Hz

Installation and operating instructions

Factory settings are documented in this manual.

Please leave these instructions with the BoosterpaQ

for future reference.

For technical support, call your supplier or contact

Grundfos Pumps Corporation at 913 227 3400 (USA).

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Model:

Part Number:

PFU 2000 Eprom P/N:

PMU 2000 Eprom P/N:

Serial Number:

Production Date:

Your BoosterpaQ was factory assembled and tested with the factory set control parameters listed at the beginning of one of the following sections as marked.

Standard PFU 2000 System Controller

(See pages 6 and 7 for Installation and Start-up)

Standard PMU 2000 System Controller

(See pages 6 and 8 for Installation and Start-up)

Name

Date

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Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

System types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Control modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Factory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

PMU 2000 display overview WITH pre-pressure measuring . . . . . . . . . . . . . . . . . . . . . . . . 22

PMU 2000 LCD display notes . . . . . . . . . . . . . . . . . . . 24

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Technical information . . . . . . . . . . . . . . . . . . . . . . . . . . 34

SAFETY WARNING

Before beginning installation procedures, these Installation and Operating Instructions should be studied carefully. Installation and operation must be in accordance with the National Electrical Code and local regulations and accepted codes of good practice.

SHOCK HAZARD

A faulty motor or wiring can cause electrical shock that could be fatal, whether touched directly or conducted through standing water. For this reason, proper grounding of the pump and system electrical panel to the power supply’s grounding terminal is required for safe installation and operation (see

“Electrical Connection,” page 6).

In all installations, the above-ground metal plumbing should be connected to the power supply ground as described in Article 250-80 of the National

Electrical Code.

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Application

Grundfos BoosterpaQ systems are designed for transfer and boosting of clean water in commercial buildings, commercial landscape, industrial, and municipal applications. The BoosterpaQ range consists of three main groups:

S, F, and E. The main groups are divided into subgroups as shown in the next column on this page.

BoosterpaQ System Types

System System

Type Function

MEH

MES

All pumps are fitted with variable frequency driven motors. All pumps in operation are speedcontrolled (same speed) and are full-size.

Two half-size pumps are fitted with variable frequency driven motors (same speed if both pumps are operating). Full-size pumps are mains operated (on/off). The variable speed pump(s) always start first.

One pump is fitted with a variable frequency drive motor. The other pumps are start/stop operated (on/off). All pumps are full-size pumps.

The variable speed pump(s) always start first.

MFH

All pumps are full-size pumps. One pump is operated via a variable frequency drive. The other pumps are start/stop operated (on/off).

All pumps will be controlled by the variable frequency drive in rotation. The variable speed pump(s) always start first.

Two pumps are half-size pumps. The other pumps are full-size pumps. The two half-size pumps are controlled by a variable frequency drive in rotation, and the full-size pumps are start/stop operated (on/off) and alternated. The variable speed pump(s) always start first.

MSH

All pumps are equal size and are start/stop operated (on/off).

One half-size pump. The other pumps are fullsize pumps. All pumps are start/stop (on/off).

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Construction

Grundfos BoosterpaQ systems consist of 1-8 pumps with all necessary fittings and a Grundfos Control 2000 mounted on a common base frame, ready for installation.

The Control 2000 has its own base for large BoosterpaQs.

In most cases a diaphragm tank must be included in the installation.

DIAPHRAGM

TANK

PFU 2000

Control 2000

PUMP

PRESSURE

TRANSMITTER

Figure 1: System construction

CHECK

VALVE

PRESSURE GAUGE

ISOLATING

VALVE

BoosterpaQ Control Modes

BoosterpaQs always include the Grundfos PFU 2000

Controller, but a PMU 2000 can be added. The optional

PMU 2000 provides additional functions and detailed system information via a LCD (Liquid Crystal Display).

If the BoosterpaQ includes the PFU 2000 only, its faceplate will be located on the control panel door (see below). If the BoosterpaQ includes the optional PMU 2000, the PMU

2000 replaces the PFU 2000 faceplate (see below).

BoosterpaQs offer the following functions:

• Closed-loop control

• Automatic shut-off at zero flow

• Automatic cascade control of pumps

• Automatic pump rotation to equalize operation time

among the pumps; and with PMU 2000, selectable

pump priority, minimum pump operation, and selec-

table pump sequencing

• Manual operation of each pump

• Possibility of various analog set-point influences:

– friction loss compensation (flow-dependent set-point

control with or without flow measurement), PMU

2000 only

– external set-point adjustment

• Possibility of various digital remote-control functions:

– system on/off

– reduced capacity during emergency power situations

(PMU 2000)

– alternative set-points (PMU 2000)

– switching off individual pumps

• Pump and system monitoring functions:

– minimum and maximum limits of actual value

(high and low system pressure)

– pre-pressure (out of water or low inlet pressure)

– motor protection

– BUS communication (GeniBUS Protocol)

• LCD Display and indication functions:

– 2 x 24 character LCD display (PMU 2000)

– green indicator light for operating indications and red

indicator light for fault indications

– potential-free relay contacts for operation and fault

• Multiple set-points (PMU 2000)

• Grundfos BUS communication (GeniBUS Protocol)

PFU 2000

PMU 2000

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Product Description

Grundfos BoosterpaQ ME

Example:

Three pumps of equal size with MLE motors and a diaphragm tank.

PFU 2000

One pump in operation.

H set

MLE MLE MLE

Grundfos BoosterpaQ MEH

Example:

Two half-size pumps with MLE motors, one mains-operated full-size pump and a diaphragm tank.

PFU 2000

One half-size pump with

MLE motor in operation.

H set

MLE MLE

Three pumps in operation.

H set

Grundfos BoosterpaQ MF

Example:

Four pumps and a diaphragm tank. All pumps are of equal size.

PFU 2000

Grundfos BoosterpaQ ME maintains a constant pressure through continuous variable adjustment of the speed of the pumps. The system performance is adjusted to the demand through cutting in/out the required number of pumps and through parallel speed control of the pumps in operation. Pump rotation is automatic and depends on load, time and fault.

One full-size pump and one half-size pump with MLE motors in operation.

H set

Grundfos BoosterpaQ MEH maintains a constant pressure through continuous variable and parallel adjustment of the speed of the two half-size pumps, while the full-size pump is mains-operated. The half-size pumps always start first. If the pressure cannot be maintained by one half-size pump, the second half-size pump and/or the full-size pump will be cut in.

Pump rotation is automatic and depends on load, time and fault.

Grundfos BoosterpaQ MFH

Example:

Two half-size pumps, two full-size pumps, and a diaphragm tank.

PFU 2000

Grundfos BoosterpaQ MES

Example:

One pump with MLE motor, two mainsoperated pumps and a diaphragm tank.

All pumps are of equal size.

One pump with MLE motor in operation.

H set

MLE

PFU 2000

One pump with

MLE motor in operation and two pumps

H on mainsoperation.

set

Grundfos BoosterpaQ MES maintains a constant pressure through continuous variable adjustment of the speed of one pump. The other pumps are cut in/out on mains operation according to demand thus achieving a performance corresponding to consumption.

The pump with MLE motor will always start first. Rotation among the pumps on mains operation is automatic and depends on load, time and fault.

Grundfos BoosterpaQ MS

Example:

Four pumps and a diaphragm tank.

All pumps are of equal size.

PFU 2000

One pump in operation via variable frequency drive.

H set

One pump in operation via variable frequency drive and two pumps on mains operation.

H set

Grundfos BoosterpaQ MF maintains a constant pressure through continuous variable adjustment of the speed of one pump. The other pumps are mains-operated (on/off) according to the demand thus achieving a system size corresponding to the consumption. The pump controlled by the variable frequency drive will always start first. Pump rotation is automatic and depends on load, time and fault. All pumps are controlled by the variable frequency drive in rotation.

One half-size pump in operation via variable frequency drive.

H set

One full-size pump in operation via variable frequency drive and one fullsize pump on mains operation.

H set

Grundfos BoosterpaQ MFH maintains a constant pressure through continuous variable adjustment of the speed of the one half-size pump. The rest of the pumps are mains-operated. A half-size pump controlled by the variable frequency drive will always start first. If the pressure cannot be maintained by one half-size pump, the second half-size pump and/or the full-size pump will be cut in on mains-operation. Rotation between the half-size pumps is automatic and depends on load, time and fault.

The full-size pumps on mains power are automatically rotated among themselves.

One pump in operation.

H stop

H set

Three pumps in operation.

H stop

H set

Grundfos BoosterpaQ MS maintains a pressure range by cutting in/out the required number of pumps. The operating range of the pumps will lie between the lines Hset and Hstop (cutout pressure). The cut-out pressure cannot be set but is calculated automatically. Rotation among the pumps is automatic and depends on load, time, and fault.

H stop

H set

Grundfos BoosterpaQ MSH

Example:

One half-size pump, three fullsize pumps and a diaphragm tank.

PFU 2000

Example:

One half-size pump in operation.

H stop

H set

Example:

One half-size pump and one full-size pump in operation.

H stop

H set

Grundfos BoosterpaQ MSH maintains a pressure range by cutting in/out the half-size pump and the full-size pumps. The half-size pump will always start first. The half-size pump will be cut out again when a full-size pump is cut in. The operating range of the pumps will lie between the lines Hset stop and Hstop (cut-out pressure). The cut-out pressure cannot be set but is calculated automatically. Rotation among the full-size pumps is automatic and depends on load, time and fault.

H set

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Installation

Upon its arrival, check your BoosterpaQ system for shipping damage and confirm that you have received the correct system prior to installation.

Location

BoosterpaQ systems must be installed in a well-ventilated area. When a BoosterpaQ is installed outdoors, it must be protected from rain, cold, heat, and direct sunlight to operate within the product humidity and temperature limits. The BoosterpaQ should be placed with a 3-foot clearance in front and on the two sides for ease of service.

Hydraulic installation

Arrows on the pump base show the direction of flow of water through the pump. The pipes connected to the

BoosterpaQ must be of adequate size. To avoid resonance, expansion joints may be connected to the discharge and suction pipes (see drawing at right).

Installation with expansion joints

1. Expansion joint

2. Pipe hanger/support

The system pipes are connected to the manifolds of the BoosterpaQ.

Either end of the manifolds can be used as long as the pipe does not pass in front of the control panel (check building codes). Apply approved sealing compound to the unused end of each

Installation with bypass check valve manifold and fit the screw cap. For manifolds with flanges, blind flanges with gaskets are included.

If the suction pressure periodically exceeds the discharge pressure, installing a bypass check valve (see drawing above) minimizes flow through the pumps when the system shuts down.

If the discharge pressure could reach pressures above the plumbing maximum rating due to VFD failure or other system causes, a pressure relief device must be installed.

Another option is to install a pressure sustaining valve to return discharged fluid back to the suction manifold.

Grundfos offers this option.

BoosterpaQ hardware should be checked for tightness prior to startup to avoid leaks due to transportation vibration. When a BoosterpaQ is installed in a densely populated building or the first user on the line is close to the

BoosterpaQ, it is advisable to fit pipe hanger/supports on the suction and discharge pipes to prevent vibration being transmitted through the pipe work (see drawing at left with pipe hanger/support).

The BoosterpaQ should be positioned on a flat, level, solid surface; for example, a concrete floor or foundation. If the

BoosterpaQ is not fitted with vibration dampers, it must be bolted to the floor or foundation. The pipes must be fastened securely to ensure that they cannot move or be twisted.

Expansion joints, pipe hangers and vibration dampers shown in the illustration at left are not included with the

BoosterpaQ.

Install a diaphragm tank as specified in the “Technical

Information” section.

Electrical connection

The connection of the electrical supply, transmitters and external monitoring equipment must be carried out by an authorized electrician in accordance with the NEC, local regulations and the BoosterpaQ wiring diagram.

Ensure that the Control 2000 and the pumps are suitable for the electricity supply on which they will be used (see

Technical Data). Please read the wiring diagram carefully.

According to the NEC, if the motors cannot be seen from the control panel, they must be fitted with a disconnect switch.

Any BoosterpaQ that utilizes a variable frequency drive

(ME, MEH, MF, MFH, MES) should be connected to an electrical supply that all phase lines are electrically symmetrical with respect to ground. A “four wire wye” electrical supply is recommended. If a variable frequency drive is connected to a delta transformer, the drive may not operate correctly and may not provide optimum performance (excessive faults, erratic behavior, or complete failure). Ask your power company or electrician to determine what type of electrical supply is present. Generator supplied power must meet public utility power quality standards.

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PFU 2000 Startup

1. Have a qualified person check for proper power supply and plumbing connections. Make sure the main power is off.

PFU 2000

2. Check that the air pressure in the diaphragm tank is 0.7 times the required discharge pressure set-point (0.9 times for MS and MSH systems). System pressure must not be applied to the tank connection during the tank pre-charge process. If water is supplied to the tank from the system, close the tank valve during the pressurizing process.

3. Prime the system as follows.

Suction Pressure System (pumps are flooded at least as high as the highest part of the pumps)

a. Close all discharge manifold pump isolation valves and open all inlet manifold pump isolation valves.

b. Open the vent plug on top of each pump. It is a small hex head screw in a large vent plug. Air and water will escape from the pump through a small hole in the large vent plug. When the air is out and water is flowing steadily, tighten the small hex head screw on the vent plug to stop the flow.

Suction Lift System (the water source is below the pumps or does not flood the pumps to the highest point on the pumps)

a. Close all discharge manifold pump isolation valves and open all inlet manifold pump isolation valves.

b. For suction lift applications, a foot valve must be placed on the inlet piping at the water source (tank, etc.). If there is a fill point above the highest point of the pumps, you may fill the system from this point.

If there is no fill point above the highest point of the pumps, remove the large vent plug on each pump.

Fill each pump until the water is up to the vent plug, then replace the vent plugs.

4. Check the inlet manifold pressure gauge. The inlet pressure must be at least 5% of the maximum pressure transducer rating (if a transducer is used). If another type of dry run protection is used, ensure that sufficient suction pressure is available for safe operation of the pumps.

5. Ensure all circuit breakers are in the “on” position. The control panel door must be open at this time.

6. If an isolation valve has been installed on the discharge manifold, close it. If not installed, make sure the discharge pump isolation valves are closed. Switch on main power (the pumps may start at this time).

7. Turn the Function

Selector (small knob on the PFU Controller) on the PFU 2000 to

“Max” (see drawing at right) (full clockwise rotation).

If the pumps did not start in Step 6, they will start after approximately 15 seconds.

STOP

Setpoint

MAX

100%

Function Selector in the PFU 2000

8. Vent the system by opening the vent plug on each pump (as in Step 3). Venting with the pumps running ensures all air is removed from the suction. Do not run the system with the discharge manifold pump isolation valves closed for more than five minutes to prevent overheating of the pump liquid.

9. Once the pumps have been fully vented, turn the PFU

2000 Function Selector to “Stop” (full counter-clockwise). As the pumps stop, check the pump rotation. If the area is dark, a flashlight may be required, or remove a coupling guard on each pump for better visibility. Disconnect main power when removing coupling guards. Do not touch the couplings while the pumps are turning as injury may result. Replace all coupling guards after the rotation check. Disconnect main power when removing and replacing coupling guards (or open service disconnect switches if this option was supplied).

If the rotation is incorrect on any 3 phase pumps, switch any 2 of the 3 power main wires supplied to the control panel (L1, L2, L3).

10. Open the discharge manifold isolation valve and the isolation valves for each pump. Turn the PFU 2000

Function Selector clockwise approximately 50% of full rotation, allow the system to come up to speed, then slowly adjust the Function Selector until the system maintains the desired set-point pressure as read on the discharge pressure gauge.

NOTE: If you are filling an empty piping system, do not allow the pumps to run with the valves wide open as cavitation may occur.

NOTE: If the set-point is changed, readjust the diaphragm tank precharge pressure to 0.7 times the new fluid pressure setting (0.9 times for MS and MSH systems). Check the diaphragm tank air pressure while no fluid pressure is applied to the tank (see Step 4).

Your BoosterpaQ is now ready for operation.

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8 PMU 2000 Startup

1. Have a qualified person check for proper power supply and plumbing connections. Make sure the main power is off.

PMU 2000

2. Remove the PMU

2000 BUS plug

(see drawing at right). Drawing shows view of the back of the

PMU 2000, which is mounted on the control cabinet door. Leave the panel door open until after

Step 13.

1. Electricity Supply

2. Operating Signal Output

3. Fault Signal Output

4. BUS (connection plug)

3. Check that the air pressure in the diaphragm tank is 0.7 times the required discharge pressure set-point (0.9 times for MS and MSH systems). System pressure must not be applied to the tank connection during the tank pre-charge process. If water is supplied to the tank from the system, close the tank valve during the pressurizing process.

4. Prime the system as follows.

Suction Pressure System (pumps are flooded at least as high as the highest part of the pumps)

a. Close all discharge manifold pump isolation valves and open all inlet manifold pump isolation valves.

Suction Lift System (the water source is below the pumps or does not flood the pumps to the highest point on the pumps)

a. Close all discharge manifold pump isolation valves and open all inlet manifold pump isolation valves.

If there is no fill point above the highest point of the pumps, remove the large vent plug on each pump.

Fill each pump until the water is up to the vent plug, then replace the vent plugs.

5. Check the inlet manifold pressure gauge. There should be positive pressure on the gauge (at least 5 — 10 psig if a transducer is used). If another type of dry run protection is used, ensure that sufficient suction pressure is available for safe operation of the pumps.

6. Ensure all circuit breakers are in the “on” position.

7. Make sure the discharge manifold pump isolation valves are closed. Switch on main power. CAUTION:

The pumps may start at this time.

8. Turn the Function Selector on the PFU 2000 to “Max.”

(see drawing with Step 7 on previous page) (full clockwise rotation). If the pumps did not start in Step 7, they will start after approximately 15 seconds.

9. Vent the system by opening the vent plug on each pump (as in Step 4). Venting with the pumps running ensures all air is removed from the suction. Do not run the system with the discharge manifold pump isolation valves closed more than five minutes to prevent overheating of the pump liquid.

10. Turn the PFU 2000 Function Selector to “Stop” (full counter-clockwise). As the pumps stop, check the pump rotation. If the area is dark, a flashlight may be required, or remove a coupling guard on each pump for better visibility. Disconnect the main power when removing coupling guards. Do not touch the couplings while the pumps are turning as injury may result.

Replace all coupling guards after the rotation check.

Disconnect main power when removing and replacing coupling guards (or open service disconnect switches if this option was supplied). If the rotation is incorrect on any 3 phase pumps, switch any 2 of the 3 power main wires supplied to the control panel (L1, L2, L3). If that doesn’t correct the rotation, call your Grundfos representative.

11. Open the discharge manifold isolation valves for each pump. Turn the PFU 2000 Function Selector clockwise approximately 50% of full rotation, allow the system to come up to speed, then slowly adjust the Function

Selector until system maintains the desired set-point pressure as read on the discharge pressure gauge.

This is done for two reasons. If the PMU 2000 (following set-up steps) should fail or get damaged, the

PFU 2000 will automatically operate the system. Also, if the Function Selector is left in the “Stop” or “Max.” positions, the PFU 2000 will not allow the PMU 2000 to control the system. If there is a power outage, the PFU will control the system for approximately 30 seconds before the PMU settings are engaged. Therefore it is important that the PFU is set correctly.

NOTE: If you are filling an empty piping system, do not allow the pumps to run with the valves wide open as cavitation may occur.

12. Turn off the main circuit breaker.

13. Replace the PMU 2000 plug which was removed in

Step 2.

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14. Turn on the main circuit breaker. After approximately

15 seconds, the pumps will start. If the system does not start, press the “On/Off” button on the PMU 2000 (see page 22 — 23). If the display reads “Off,” press “+” to set the Zone to “On.” If the display already reads “On,” do NOT press “+.” Instead, press “Esc” twice to return to the main menu. If the system still fails to start, the minimum inlet pressure may be set too low (only on systems WITH pre-pressure measuring, see pages 22

— 23). If your system does not start and is set up WITH pre-pressure measurement, press the “Set” button on the PMU 2000, then “Enter,” then press the down arrow repeatedly until you get to “Zone Configuration,” then press “Enter,” then press the “down arrow” repeatedly until you come to “min. pre-pressure.” At this display, set the value below the available inlet pressure, then press “Enter” and “Esc” repeatedly until you return to the main menu, “Status.”

15. After the system starts, the PMU 2000 will indicate a fault. This is normal. To reset the fault, press the “Fault

Indication” button (see page 12). The LCD should read

“Alarm System Mains Drop.” Press the “Enter” button.

This fault will clear.

16. There should be no more faults. If there are, you will need to review the Troubleshooting section beginning on this page. See page 12, section “Fault Indication

Menu” for a fault indication reading guide.

17. If there are no more faults, press the “Esc” button twice to return to the main menu.

18. If your system is maintaining correct pressure, you are finished with the set-up. If your system pressure is incorrect, press the “Set” button on the PMU 2000

(see the graphic on pages 22-23), then press the “Enter” button on the PMU 2000. Next, press the “+” or “-” buttons on the PMU 2000 until the desired pressure in psi is indicated in the PMU 2000 LCD readout. Press

“Enter,” then “Esc” twice.

19. When your system is operating properly, reduce the system demand to 0 gpm by closing the system discharge valve. Your BoosterpaQ will slow down and stop within one to three minutes. If it does not do so, check the Troubleshooting section. If the system functions properly, reopen discharge valve.

20. The BoosterpaQ should now be running. If not, recheck

Steps 18-19 and/or the Troubleshooting section beginning on page 9. The system pressure should build to the set-point pressure which you entered in Display

200 and remain there as flow demand rises and falls.

21. If your BoosterpaQ does not start, press the PMU 2000 panel alarm button which looks like an alarm horn and is next to the LED lights. If there are any fault indications, press the “Enter” button repeatedly until all faults clear. If all faults clear, press “Esc” until the

“Status” screen appears (Display 100). The system should start and maintain the set-point pressure. If it still is not operating properly, recheck Steps 18-19 or review the next section (Common Startup Problems).

Troubleshooting —

Common Startup Problems

Before working with pumps, terminal boxes or controllers, the electricity supply must be switched off.

Most start-up problems occur for the following reasons:

1. Incorrect voltage or supply configuration — the system will not start and lights may not illuminate. Alarms may appear on variable frequency drives.

2. Wires and cables loosened during rough shipment

— this can cause faults and erratic operation. The lights on the PFU 2000 or PMU 2000 panel and the lights on or inside the motor terminal boxes may indicate everything is operating properly, even when it is not, if certain connections are loose. Most loose connections will indicate a fault or cause erratic system operation.

Check to make sure all wires and cables are well connected. DO NOT move wires to other terminals or remove wires even if it appears that they don’t match the electrical schematic. Every BoosterpaQ is factory tested and proper operation is verified with the wires connected as you receive them. Call your Grundfos distributor or the Grundfos factory if you believe you have discovered incorrect wiring or documentation.

3. PMU 2000 LCD Display Settings are different than the factory listed settings in this Installation and Operating

Manual — check them against the factory settings

(only applies if a PMU 2000 is installed). To check or change the PMU 2000 settings, refer to the “PMU

2000 LCD Display Overview,” (pages 22 — 23). To find out which way your system is set up, check the factory settings list on page 12. Step through each menu of the

PMU 2000, but DO NOT make changes without carefully checking the factory settings. If the settings in the

PMU 2000 are different than the values recorded under

PMU 2000 factory setting, change them to match the factory settings. If you believe the factory settings are incorrect, check the explanations in the section beginning on page 24, “PMU 2000 Display Notes,” to see if the settings still seem incorrect. If you still feel they are incorrect, please call your Grundfos distributor or the

Grundfos factory.

4. Inlet pressure is too low or no water is present at the inlet manifold — check the inlet pressure gauge. The pressure must be at least 5% of the maximum pressure transducer rating (if a transducer is used), higher than “min. pre-pressure”-Display 231 (if PMU 2000 installed), higher than the setting of the inlet pressure switch (if used), or the level control switch must be closed (if used). A closed valve(s) leading to the inlet manifold could be the problem.

5. MLE motor (or Baldor SmartMotor) tripped on fault

— if an MLE motor trips on overload, allow 15 seconds to reset itself. If motor does not reset, check motor settings.

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6. Tank pre-charge pressure is too low or too high — when the system drops to low flow demand, the BoosterpaQ will stop at a pressure slightly higher than the setpoint. It will restart when the pressure drops again below the set-point. If the system stops and starts frequently the tank pre-pressure may be too low or too high. Stop the system, close the valve to the tank, bleed the tank, and check the pre-charge air pressure. It must be 0.7 times the set-point of the system (0.9 times for

MS and MSH systems). If the system continues to stop and start frequently, consider a larger size tank.

7. Suction and discharge piping reversed.

8. Pump, manifold, or system piping is plugged with debris.

9. Pumps rotate clockwise (must be counter-clockwise looking from the top). On 3 phase systems, switch any

2 of the 3 power mains wires supplied to the control panel. Do NOT switch other wires until this has been tried.

10. Voltage monitor is triggered. Check voltage (loss of phase, large imbalance).

11. PFU 2000 DIP Switch Settings are different than the factory listed settings in this Installation and Operating

Manual — check them against the factory settings on page 12 depending or whether your system has only a

PFU 2000 or a PMU 2000. Call your Grundfos distributor or the Grundfos factory if you believe you have discovered incorrect settings.

Operating and fault indications

The two indicator lights (LED) on the front cover of PFU

2000/PMU 2000 indicate pump operation (green) and/or fault (red). Two external indicator lights (LED) can be connected instead of the two indicator lights (LED) on the front cover (see page 38, Terminals 7 and 8). The function of the indicator lights (LED) and the operating and fault signal outputs are listed in the table below.

INDICATOR LIGHTS

Fault (red) Operation (green)

Off Off

Off

Permanently on

Flashing

Off

Permanently on

Flashing

OUTPUTS PFU 2000

Fault Operation

OUTPUTS PMU 2000

Fault Operation Description

Electricity supply switched off or supply failure.

At least one pump in each zone is in operation.

All pumps in at least one zone have been stopped:

• via external on/off switch or

• via function selector in

PFU 2000 (pos. STOP),

• via PFU 2000/PMU 2000.

At least one pump is stopped due to fault.

At least one pump is or has been stopped due to fault. At least one pump in each zone is in operation.

All pumps in at least one zone have been stopped:

• via external on/off switch or via

function selector in PFU 2000

• via PFU 2000/PMU 2000. At least

one pump is or has been stopped

due to fault.

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Troubleshooting/Fault-finding chart

Fault

1. Motor does not run when started.

Cause a) Electricity supply disconnected or loose wires. b) Automatic circuit breakers cut out.

2. Motor starts, but stops immediately afterwards.

3. Unstable water delivery from BoosterpaQ MS

(applies only to very low consumption) c) Motor protection activated.

d) Fuse in the PFU 2000 defective.

e) Motor defective.

a) Fault in pressure transmitter.

b) Dry running or no pre-pressure.

The operating pressure is not reached.

a) Pre-pressure too low.

Remedy

Connect the electricity supply. Check for loose wires. DO NOT over tighten terminal screws.

Correct the fault and cut in the automatic circuit breakers.

Correct the fault and reactivate the motor protection.

Replace the fuse.

Repair/replace the motor.

Check transmitter/wiring. If necessary replace the pressure transmitter. Transmitters with

0-20 mA or 4-20 mA output signals are monitored by the PFU 2000.

Check the supply of water to the pump. When the pressure has been reestablished, the pump will restart after 15 seconds and the fault indication will remain.

Check the suction pipe and possible suction strainer.

Increase On/Off band

Clean the suction pipe/pumps.

4. Pumps are running, but deliver no water or reduced output b) On/Off band set too low c) Suction pipe/pumps partly blocked by impurities. d) Pumps suck air.

e) Pressure transmitter defective.

f) Max. Limit set too low.

a) Suction pipe/pumps blocked by impurities.

Check the suction pipe for leakages.

Replace the transmitter.

Increase Max. limit.

Clean the suction pipe/pumps.

5. Leakages from the shaft seal b) Check valve blocked in closed position.

c) Suction pipe leaky.

d) Air in suction pipe/pumps.

e) Motors running with the wrong direction

of rotation.

a) Shaft seal defective.

Clean the check valve. The check valve must move freely.

Check the suction pipe for leakages.

Vent the pumps. Check the suction pipe for leakages.

Change the direction of rotation.

Replace the shaft seal.

6. Noise b) Height adjustment of pump shaft is

inaccurate.

a) The pumps are cavitating.

Readjust the shaft height.

Clean the suction pipe/pumps and possibly the suction strainer.

Readjust the shaft height.

7. Very frequent starts and stops b) The pumps do not rotate freely (frictional

resistance) due to inaccurate height adjust-

ment of the pump shaft.

a) Wrong diaphragm tank precharge pressure.

8. System only runs at max. or “Off” (no regulation) b) Incorrect voltage.

c) PMU settings other than factory.

a) Fault in transmitter or signal.

Check the diaphragm tank precharge pressure.

Check voltage during motor operation.

Review documentation and restore PMU to original factory settings.

Check wire connections. Ensure bare wire,

NOT insulation, is compressed in termination fitting. If connection is good replace pressure transmitter.

11

11 1/28/2005, 11:01 AM

PMU fault indication menu

Press the button on the PMU to see the following faults.

The PMU will keep the last 10 faults in memory.

Alarm type: Zone, Pump,

PFU, System.

Alarm zone A min. limit

10:12 03-11 10:22 03-11

Time alarm occurred (hh-mm)

24-hour clock.

Detail of alarm: See chart below.

Time & date alarm cleared. If

“Actual” then alarm still exists.

Date alarm occurred (dd-mm)

PMU alarm examples

PMU alarm display Condition

Alarm System mains drop

10:12 03-11 11:43 29-10

There was a power failure to the system.

Alarm Zone A max. limit

10:12 03-11 Actual

Alarm Zone A min. limit

10:12 03-11 Actual

Alarm Zone A Watershort

10:12 03-11 Actual

High System Pressure on discharge.

Possible VFD failure or max. limit set too low.

Low System Pressure on discharge. Possible pipe breakage in system or pipes are not yet filled.

Low Suction Pressure. Check suction conditions.

Alarm Zone A speed cont.

10:12 03-11 10:16 03-11

Alarm Zone A sensor AI1

10:12 03-11 Actual

Speed Control (Variable Frequency Drive)

Fault.

Sensor fault on Analog Input 1 (discharge pressure transducer)

Alarm Zone A sensor AI2

10:12 03-11 Actual

Alarm Zone A sensor AI3

10:12 03-11 Actual

Alarm pump: 1 fault

10:12 03-11 Actual

Sensor fault on Analog Input 2 (normally suction pressure transducer).

Sensor fault on Analog Input 3 (normally external set-point).

Fault on pump number 1.

Alarm PFU 123

15:12 03-11 Actual

There is a communication error between the PMU and the PFU that is connected to pumps 1, 2 and 3.

Possible remedy

This is normal during shipping as there was a power failure to the system. Simply reset the alarm.

Solve VFD problem. Adjust max. limit to higher value (may be too close to set-point (system pressure).

Repair piping. Adjust Min. Limit to a lower value as it may be set too high (too close to system pressure).

If inlet is pressurized, lower min. pre-pressure. If flooded suction or suction lift, ensure water is in suction piping.

Check VFD fault log.

Check transducer connections (may just be loose wire). Check transducer. Replace if necessary.

Check external set-point source. Check connection (may be loose or not connected at all).

If pump is on/off pump (constant speed), check manual motor protector (breaker). If pump is MLE or Baldor Smartmotor, check motor fault log or consult motor Installation

& Operating Instructions. Check voltage monitor relay.

Check BUS (RS485) connection between PMU and PFU. Check power supply to PFU and/ or PMU. Check fuse in PFU.

12

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Faults, general

Fault conditions in the system are indicated by:

• Red indicator light (LED) on PFU or PMU

• Red indicator light(s) (LED) on control panel door

• PFU 2000 fault signal relay (if connected to alarm or light)

• PMU 2000 fault signal relay (if connected to alarm or light)

• PMU 2000 LCD display

In the PMU 2000, if installed, the last 10 “Fault” indications are stored and sorted by time, occurrence and correction. If more than 10 faults occur, the current faults and the latest reset faults will be kept in the fault memory. “Warnings” remain stored until they are reset on the PMU 2000. This does not apply to the faults exceeding 10.

Manual resetting (restarting of PFU 2000)

A manual reset followed by an immediate restart is accomplished in one of the following ways:

• Press the “Reset” button on the PFU 2000

• Turn the function selector in the PFU 2000 to STOP, then adjust back to the original settings

• Reset the fault indication(s) which caused the stop by pressing “Enter” while in the “Fault Indication Menu” of the PMU 2000 until all faults are reset

The PFU 2000 can be manually reset every fifth second.

Automatic resetting

(restarting of PFU 2000)

When a fault has been corrected, the system will attempt to restart automatically at the following intervals:

• 1st time after 15 seconds

• 2nd time after five minutes

• 3rd — 4th time at 30 minute intervals

• 5th — ? time once every 24 hours until the fault has been

corrected

Your BoosterpaQ will not restart automatically until the fault has been corrected. Each fault condition, except for faults which do not shut down operation, increases the restarting count attempts stored in memory. The number of stored restarting attempts is reduced to zero by manual resetting, allowing an immediate restarting attempt.

If not manually reset, the number of stored restarting attempts will be reduced by one every three hours after the alarm disappears. After a certain time without faults, an automatic restarting attempt will be made 15 seconds after the fault has been corrected (“1st time mode”).

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13 Factory settings with standard

PFU 2000 System Controller

(PMU 2000 NOT installed)

The following entries are the factory settings for the

BoosterpaQ with the serial number which is listed on page 2 of this manual (if “Standard PFU 2000 System

Controller” was marked). The factory settings cover most standard booster applications. Please contact your

Grundfos representative if you believe the settings should be changed to match your application or the system is not operating properly.

PFU 2000 front cover

PFU 2000: Example only — check factory settings

o

WITH Pre-pressure Measuring

(has a pressure transducer on the inlet manifold)

o

WITHOUT Pre-pressure Measuring

(pressure switch or level switch on the inlet manifold)

PFU 2000 #1

(for systems with 1 to 4 pumps)

DIP/Switch #2

DIP/Switch #1

OFF ON

OFF

1 2 3 4

«X» indicates that each switch was slid to that position for this BoosterpaQ at the factory.

PFU 2000 #2

(for systems with 5 or more pumps)

DIP/Switch #1

OFF ON

OFF

Installed

Not installed

1 2 3 4

«X» indicates that each switch was slid to that position for this BoosterpaQ at the factory.

See PFU 2000 Dip Switch

Configuration, page 34.

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14 1/28/2005, 11:01 AM

With Optional PMU 2000 System

Controller Installed

The following entries are the factory settings for the

BoosterpaQ with the serial number which is listed on page

2 of this manual (if “Optional” PMU 2000 system controller” was marked). The factory settings cover most standard booster applications. Please contact your Grundfos representative if you believe the settings should be changed to match your application or the system is not operating properly. PMU 2000, Display 200 may require adjustment

(see Step 18).

PMU 2000 front cover

R100 factory settings

If the MLE motors have an R100 Interface Keypad (shown) the following are the mandatory settings: (See CRE

Installation & Operating Instructions for further explanation if necessary).

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DISPLAY SETTINGS

Set Point 100% (Not “Max.”)

Operating Mode Normal

Control Mode Uncontrolled

External Set Point 0-10 V

Signal Relay Ready

Buttons on Motor Not Active

Stop Function Not Active

Operations Range min. 12% max 100%

PFU 2000 DIP Switch Locations: Example only — check factory settings

PFU 2000 #1

(for systems with 1 to 4 pumps)

DIP #1

OFF ON

DIP #2

OFF

1 2 3 4

«X» indicates that each switch was slid to that position for this BoosterpaQ at the factory.

PFU 2000 #1

(for systems with 1 to 4 pumps)

DIP #1

OFF ON

OFF

DIP #2

1 2 3 4

«X» indicates that each switch was slid to that position for this BoosterpaQ at the factory.

PFU 2000 #2

(for systems with 5 or more pumps)

DIP #1

OFF ON

Installed

Not installed

DIP #2

OFF

1 2 3 4

«X» indicates that each switch was slid to that position for this BoosterpaQ at the factory.

PFU 2000 #2

(for systems with 5 or more pumps)

DIP #1

OFF ON

Installed

Not installed

DIP #2

OFF

1 2 3 4

«X» indicates that each switch was slid to that position for this BoosterpaQ at the factory.

15 1/28/2005, 11:01 AM

PMU factory settings

101 All Pumps Set to

o

Zone A

o

Other ( )

104 Alarm Suppression

o

Off

Off

209 Pump Change Time ________

212 Zone Name _________

213 Measuring Unit ________

214 Control Function

o

Normal

o

Inverse

219 Discharge Pressure Transducer (See Next Page)

216 Pre-Pressure Measuring

o

o

Max

*Service Code Entry required

16

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16 1/28/2005, 11:01 AM

201 clock program

Daily Sa-Su M-F

Time Set-point Time Set-point Time Set-point

219 discharge sensor o

Pump 1 Pump 4

Pump 2 Pump 5

Pump 3 Pump 6

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17 Danfoss VLT 2800 Factory Settings

Field changes

Parameter Description Factory setting New value Date

002 Local/Remote Operation 0

003 Local Reference Default

101 Torque Characteristics 2

102 Motor Power, kW

103 Motor Voltage

104 Motor Frequency, Hz

105 Motor Current, SFA

106 Rated Motor Speed, RPM

107 Automatic Motor Adaptation 2

128 Thermal Motor Protection 4

204 Minimum Reference

205 Maximum Reference

206 Ramp Type 2

207 Ramp Up Time

208 Ramp Down Time

214 Reference Function 2

215 Preset Reference 100

302 Digital Input 7

304 Digital Input 0

305 Digital Input 24

323 Relay Output 1

406 Automatic Restart Time 10

411 Switching Frequency 4500

018 Lock for Data Change 1

Additional settings

18

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Danfoss VLT 8000 Factory Settings

Factory Setting Field Changes

Item Number Parameter Value Value # New Value Date

1 001 Language English 0

2 102 Motor Power

3 103 Motor Voltage

4 104 Motor Frequency

5 105 Motor Current

6 106 Motor Speed

7 201 Minimum Freq.

8 202 Maximum Freq.

9 206 Ramp Up Time

10 207 Ramp Down Time

11 323 Relay 1 Function Ready Signal 1

12 326 Relay 2 Function Running 3

Additional Settings

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19 Danfoss VLT 8000 Factory Settings (continued)

Extended Menu Programming

Factory Setting Field Changes

Item Number Parameter Value Value # New Value Date

Level 0 007 Large Readout 3

008 Small Display Readout 16

009 Small Display Readout 5

010 Small Display Readout 6

Level 1 101 Torque Characteristics VT Low 2

112 Motor Preheater Disable 0

117 Motor Thermal Protection ETR Trip 1 4

Level 2 208 Automatic ramp-down Disable 0

210 Reference Type External/Preset 2

211 Preset Reference 1 100%

Level 3 302 Pin 18 Start 1

303 Pin 19 Reverse and Start 2

305 Pin 29 Preset Ref. On 6

308 Pin 53 Reference 1

309 Term. 53, Min. Scaling 0.0V

310 Term. 53, Max. Scaling 10V

325 Relay 01, Off Delay 2 sec

Level 4 400 Reset Function Automatic Reset x 10 6

401 Automatic Restart time 5 sec

407 Switching Frequency 4500

408 Interference Reduction Method Fixed Switching Freq. 0

Level 0 016 Lock for data change Locked 1

20

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Baldor SmartMotor Settings

Factory Setting Field Changes

Section Parameter Value New Value Date

Level 2 Blocks

Output Limits Min Output Freq. 12 Hz

Output Limits Max Output 60 Hz

Output Limits PK Current Limit

Output Limits PWM Frequency 6 kHz

Miscellaneous Restat Aut/Man Auto

Motor Data Motor voltage

Motor Data Motor Rated Amps

Level 1 Blocks

Preset Speed Preset Speed #1

Accel Accel #1

Decel Rate Decel #1

Output Opto Output #1 Ready

Input Operating Mode #1 2 Wire / 7 Spd

Input ANA CMD Select 0 — 10 V

V/Hz and Boost V/Hz Profile 67% Sqr Law

Additional Settings

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21 PMU 2000 LCD display overview

WITH pre-pressure measuring

The following PMU 2000 LCD Display Overview illustrates the LCD Menus and Displays for the Optional PMU

2000. To return to Display 100, repeatedly press “Esc.”

Refer to page 24 for “PMU 2000 LCD Display Notes.”

Pump status menu

Zone status menu

22

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425 min. limit operation

435 min. pre-pressure

408

413

412

Zone A medium sequence 10s

* control function

416

414 discharge sensor set-up prepress, measuring

417 inlet sensor set-up

415 influence

419

426 input 4

Zone A hydraulic parallel

422

427 pump priority

Set A min. speed %

423 max. limit

424 min. limit

1/28/2005, 11:01 AM

Basic menu

Zone A

PFU 8 press.

On/off menu

Fault indication menu

Setting menu

Setting of control parameters

Available only when service code is activated (Display 106).

Moves one display up in menu

Jumps one level backward and displays basic menu

— Jumps one level forward

— Stores settings

— Resets fault indications

Moves one display down in menu

205

206

214

Set A

* medium sequence 10s

219

216

220

217

222

235

Set A hydraulic

227 pump priority

parallel

223

228

Set A * min. speed 0%

229

230

231

234 pump start time

1.0s

234 pump start time

1.0s

Pump status menu

Zone status menu

425 min. limit operation

435 min. pre-pressure

408

413

412

Zone A medium sequence 10s

* control function

416

414 discharge sensor set-up prepress, measuring

417 inlet sensor set-up

415 influence

419

426 input 4

Zone A hydraulic parallel

422

427 pump priority

Set A min. speed %

423 max. limit

424 min. limit

Basic menu

Zone A

PFU 8 press.

On/off menu

Fault indication menu

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Setting menu

Setting of control parameters

Available only when service code is activated (Display 106).

Moves one display up in menu

Jumps one level backward and displays basic menu

— Jumps one level forward

— Stores settings

— Resets fault indications

Moves one display down in menu

205

206

214

Set A

* medium sequence 10s

219

216

220

217

222

235

Set A hydraulic

227 pump priority

parallel

223

228

Set A * min. speed 0%

229

230

231

234 pump start time

1.0s

234 pump start time

1.0s

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23

24

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PMU 2000 LCD display notes

The following PMU 2000 LCD Display Notes must be used in conjunction with the PMU 2000 Display Overview

Diagrams (“Overview” in this section) on pages 22 — 23. The number at the beginning of each item is the display number shown on the Overview.

BASIC MENU

100 — Status Display

This is the first display which appears when the PMU 2000 is switched on. The display indicates:

• which pumps are connected to the PMU 2000,

• which pumps are running, switched off, or whether any of the pumps are in an alarm state.

Pressing “Esc” repeatedly from any location in any menu returns you to this display. If no button on the PMU 2000 is pressed within 15 minutes, it will automatically return to this display.

The PMU 2000 LCD Overview Display examples indicate the following (see pages 22 — 23):

• Pumps 1 and 2 are running [I]

• Pump 3 is not running [O]

• Pump 4 indicates a fault [A]. The fault is identified under “Fault Indication Menu” (Display 600)

• Pump 5 is set to “Max” RPM

• Pumps 6 and 7 are allocated to a zone [-] but they have not yet been connected to a PMU 2000, or the electricity supply to the pump was never switched on

• Pump 8 has not been allocated to any zone [ ]

• A decimal point (.) between two pump numbers indicate that these pumps have been connected to a PCU

2000. The display indicates that pumps 1,2,3, and 4 have been connected to a PCU 2000.

101 — Allocation to Zone

All pumps controlled by a PMU 2000 must be allocated to

Zone “A.” Numbers in the display not assigned to a pump must be set to “-”. If “A” is not assigned to the pumps in the system (for example, if it is a two pump system, one and two should have an “A” below them), press “+” or “-” until the “A” appears under each installed pump. Press “+” or “-” to put a [-] under all other pump numbers. Press “Enter” to store each entry and advance to the next pump number.

102 — Presetting

The factory setting for Display 102 is listed in this manual.

If a different presetting is shown, press “Enter” to jump to

Display 111, use the “UP” and “DOWN” arrows to find the correct setting, press “Enter,” and then “Esc” to return to

Display 102. See Display 111.

103 — Day, Time, and Date (Day, Month, Year)

This is where the day of the week, time, and date are set.

Press “+” or “-” to set each character and press “Enter” to store and advance to the next character. The format is ddmm-yy.

104 — Suppression of Alarm

The alarm output of the PMU 2000 will normally be active when the red indicator light is on. If alarm suppression is selected, the alarm output can be put out of operation for

15 minutes by pressing any key on the PMU 2000. If the fault has not been remedied within 15 minutes, the alarm will re-activate automatically.

[on]

The alarm output will be suppressed for 15 min- utes by pressing any of the keys on the PMU

2000

[off]

The alarm output is active when the red indica- tor light is on

Press “+” or “-” to set, and “Enter” to store

105 — Pump Communication

In certain cases, it may be expedient to stop some of the pumps by switching off the electricity supply. This will normally cause a fault indication. If “off” is selected in “pump comm. alarm,” the PMU 2000 will not indicate any communication faults.

[on] The PMU 2000 will indicate a communication

fault

[off] The PMU 2000 will not indicate a communica-

tion fault

Press “+” or “-” to set, and “Enter” to store

106 — PMU Identification

The display indicates the software identification number of the specific PMU 2000. Please have this number available when contacting your distributor or Grundfos for service.

107 — PCU Identification

If a PCU 2000 is connected, this display indicates the software identification number of the PCU 2000 to which the pumps are connected. Please have this number available when contacting your distributor or Grundfos for service.

108 — PFU Identification

This display indicates the software identification number of the PFU 2000 (P/N on the PFU 2000 EPROM). Please have this number available when contacting your distributor or

Grundfos for service. If this display does not come up, the

BUS connection is faulty.

End of Menu

You are at the bottom of this menu (same for all menus).

Press the “UP” arrow to move up through the menu, “Esc” repeatedly to go to Display 101, or one of the function buttons to go to that function (for example: “Pump Status,”

“Zone Status,” etc.).

24 1/28/2005, 11:01 AM

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111 — Presetting

See Display 102.

SETTING MENU (“SET BUTTON”)

200 — Setting of Set-point Max.

This is the place where you will select the set-point of your system. The set-point is the pressure at which you want your system to operate regardless of flow demand.

If the factory set function parameters listed in this manual match your application needs, this will be the ONLY setting you will have to adjust when you install your BoosterpaQ.

If the factory Display 200 setting (page 14) matches your required set-point and has not been changed, you may not need to make any PMU 2000 changes.

The set-point max. can be reduced to “set-point act.” through settings in the clock program (Display 201), or setpoint influence (Display 202). For many BoosterpaQ applications, “set-point max.” will be the same as “set-point act.”. Only when a custom application setup is required will these two numbers be different (examples: more than one system pressure required throughout the day, friction loss compensation, etc.). These influences are set in other displays which are explained in this section. All “influences” reduce the “set-point max.” down to the “set-point act.” when they are activated. More than one “influence” can operate at the same time.

201 — Clock Program for Change of Set-point (multiple setpoints). This is NOT where the clock is set. That is Display

102.

This is one of the “influences” mentioned in Display 200 which reduces “set-point max.” If only one set-point is required, skip this display, or clear it if it has data in it.

Multiple set-points are required when the pressure demand throughout the day changes. Lowering the “set-point max.” can provide better service and reduces energy usage when peak pressure is not required. For example, a multiple zone sprinkler application may be best served with multiple pressure settings. Setting the sprinklers and changing of the set-point to coincide accomplishes this. This feature can also be used to reduce the system pressure during off peak usage at factories and commercial buildings.

In the “clock program,” each switching time is set separately. If three daily switching times are required, three displays must be set. It is possible to set a total of 10 switching times.

In the data field [program], one of four different functions can be selected for time.

1 — [insert] A new switching time can be inserted.

Switching times already set will remain unchanged.

2 — [change] The displayed switching time can be

changed.

3 — [delete] The displayed switching time can be deleted

4 — [copy] Switching times from another zone are copied

into the current zone and the existing clock program

is deleted. This feature normally does not apply as the

standard setup for BoosterpaQs is only for Zone A.

Possible settings for days:

1 — [daily] The same switching times apply to each day

of the week.

2 — [Mon, Tue, Wed, Thu, Fri, Sat, Sun]

Different switching times for each day.

3 — [Mon, Fri] The same switching times from Monday

to Friday.

4 — [Sa-Su] The same switching times for Saturday and

Sunday.

Hourly Settings: 0-23

Setpoint

1 2 3

Time

Example:

Clock program with three switching times:

Switch to set-point A at time 1

Switch to set-point B at time 2

Switch to set-point C at time 3

Example for Setting the Clock Program

The owner requests the following set-points:

06:30 to 08:30 65 psi

08:31 to 10:30 55 psi

10:31 to 12:30 50 psi

Rest of day 55 psi

The first entry should look like the following:

Set A clock insert

Daily 06:30h-> 65

Once you adjust the pressure to 65 psi and hit the Enter button, the time & pressure will disappear and you will see the following:

Set A clock _program

: h->

Simply press the “+” button and repeat the process until all of the times are entered. You can press the up/down arrows to view all of the clock settings. Once completed the clock settings should look like the following:

Set A clock insert

Daily 06:30h-> 65

Set A clock insert

Daily 08:31h-> 55

Set A clock insert

Daily 10:31h-> 50

Set A clock insert

Daily 12:31h-> 55

25

25 1/28/2005, 11:01 AM

26

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From 12:31 to the next time, the set-point will be 55 psi. The next time is at 6:30 am, which was the first entry.

202 — Set-point Influence

Several different displays may appear under “setp. influence” depending on the influence type selected.

[Progressive infl] “System Friction Compensation:”

“Progressive influences” is a system friction compensation factor which can provide a constant pressure at a downstream location as flow demand changes, regardless of pipe friction loss. For example, although the pressure at the sensor on the discharge manifold will remain constant as flow increases (when “progressive infl.” is not selected), friction losses in the system piping will cause increasing pressure drops below the set-point at locations downstream from your BoosterpaQ. If you want to maintain stable pressure at a critical pressure point some distance from the sensor without moving the sensor (maybe you would have to bore through concrete or a mountain to do so), your BoosterpaQ can adjust the set-point to compensate for the system friction losses as flow increases.

The pressure at the sensor will now follow the changing set-point and the system friction losses will drop this changing set-point output down to the desired set-point at the critical location. You must know your system friction characteristics (plot a system curve using standard tables).

It can also be set by “trial and error.”

To activate progressive infl., set “progressive infl.” [on]

(Display 202). The pressure will rise at the manifold pressure sensor as flow increases. The flow is estimated according to PMU 2000 internal operating data without actual measurement of the flow, eliminating the high cost of a flow meter. “Set-point act.” will increase linearly from the adjustable percentage at zero flow to 100% of “set-point max.” at maximum flow. “Maximum flow” is the sum of the maximum flows of all the pumps in the zone, minus all standby pumps (see “Standby Pumps,” Display 226).

To calculate what

“set-point max.” must be when

“progressive infl.” is active, calculate the system friction drop between the

BoosterpaQ and the critical pressure point at maximum flow. Add this value to the desired set-

Example of friction loss compensation point at the critical pressure point. This is “set-point max.”.

Now divide the desired set-point at the downstream critical point by the sum of the friction loss and the desired set-point and express the result as a percentage. To active

“progressive infl.,” select [on] in Display 202 and advance to the next display (press “Enter”). Enter the percentage value you calculated. The setting range is 50% to 100%.

Example for Setting the Set-point Influence:

A system pressure (set-point max) of 90 psi is required at full flow. It has been determined that at low flow a system pressure of 70 psi will be sufficient.

First of all the progressive influence needs to be switched

“on”. Once this is done the PMU display should look like the following:

Set A setp. influence

progressive infl _on

Next press the down arrow and you will see the following screen: The first number (50 in this case) is the percentage of set-point max the discharge pressure will be at zero flow.

Set A setp. influence

progressive _ 50 -> 100%

In this example the desired pressure at zero flow is 70 psi which is 78% (70/90 = 0.78) of the set-point max. So the final entry should look like the following:

Set A setp. influence

progressive _ 78 -> 100%

As flow increases the discharge pressure will progressively increase as the flow approaches 100% (all pumps on at

100%).

204 — System Time Constant (Reaction Time)

The time constant determines the reaction time of the system to changing demands and changed set-points. The time constant is defined as the time which passes between when an adjustment is made until the actual value has moved approximately 70% of the distance between the starting value and the new adjusted value. Entering the system time into the PMU 2000 allows it to adjust its reaction time to match the system characteristics, reducing the possibility of “overshoot” (actual pressure shooting past the desired point, high or low, because the pump system responds too quickly) and sluggish performance.

High value means a slow system; therefore slow reaction is required (for example: “temperature change”)

Low value means a fast system; therefore, fast reaction is required (for example: pressure usually changes fast)

The selection range is 0.4 — 800 seconds. The normal range is 0.4 to 5.0 seconds (default = 2 seconds). The default value on BoosterpaQ systems is set low as most pressure systems are fairly fast. Calculating system time can be difficult for fast changing systems, so “trial and error” is usually applied and is acceptable. Slower systems can more easily be tested and measured, so calculation is possible. For example, if you have set up your BoosterpaQ for maintaining a set temperature, you can set the system time to 0.4, change the set-point, measure the time it takes to change the temperature from the starting point to the new set-point, and multiply by 0.7 to get the system time constant.

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Notice that the temperature will most likely shoot past the new set-point because of the 0.4 setting, but now you will change the system time constant to 0.7 times the measured time and the system will not overshoot. See also

Display 205.

H

System time

Time

205 — Min. Sequence (Min. Switching Time)

Another way of preventing hunting and overshoot in the system is to adjust the minimum time between switching individual pumps on/off (see Display 204).

The setting range is 2-300 seconds. The default value is ten seconds. The normal range is 5 — 30 seconds.

206 — Medium sequence

(Only available when service code is entered.)

This function is like a motor minimum run timer.

Normal range: 20 — 300 seconds (default = 20 seconds).

Lower settings = more motor on/off cycling, discharge pressure is less stable.

Higher settings = less motor on/off cycling, discharge pressure is more stable.

The medium sequence is automatically and temporarily set to one second when the discharge pressure reaches the average of the set-point max and max limit.

The max limit can be adjusted up and down to adjust the average to assist in the control of the BoosterpaQ. If the max limit fault is triggered when a pump is started “across the line,” the max limit can be adjusted to a higher value to increase the average value.

207 — On/Off-Band

The on/off-band is the difference between the required discharge pressure (set-point) and the stop pressure. It can be set between 0 and the max. value of the pressure sensor range (read the pressure sensor range on the side of the pressure sensor). If the pressure sensor is in “bar,” convert to psi by multiplying “bar” times 14.5 (for example:

10 bar = 145 psi).

In ME, MEH, MES, MF, and MFH systems, pump speed is continuously adjusted to maintain constant pressure. In

MS and MSH systems, the pumps are started and stopped to maintain the pressure.

When the flow computed by the PMU 2000 is lower than

Qmin, the discharge pressure increases to the upper limit of the on/off-band and then stops. The stop pressure is the selected set-point, plus the on/off-band. The system will start again when the pressure has dropped 5% below the set-point.

Approximately every 30 seconds or when the operating point changes (consumption changes), the PMU 2000 will estimate the flow by reducing the speed for a short while.

The rate at which the pressure drops is used to compute the flow estimate.

Systems without a PMU:

The default value for the on/off-band is 0.1 times the measuring range of the pressure sensor (for example: 10 bar or

145 psi, on/off-band default is 14.5 psi).

Drawing at right illustrates:

Set-point (full line)

On/off-band (hatched field)

Qmin computed by the PMU 2000 (dotted line)

Hstop

Hset

Qmin

ON/OFF-band

208 — Pump Change (Rotation)

Pump rotation ensures evenly distributed running hours for all pumps. Pump rotation is accomplished by all

Booster-paQs (PFU 2000 only and PMU 2000) by three methods: flow demand, time-dependent, fault dependent.

Display 208 sets the time-dependent function to either

[on] or [off].

After each start or stop of a pump due to enough change in flow demand, the PMU 2000 rotates the pump starting order. If selected, time-dependent pump change occurs provided the starting order has not been changed for 24 hours due to a lack of sufficient flow change or if a fault has not occurred. Normally, flow demand will vary enough in a 24-hour period to eliminate a time-dependent pump change.

[on] Time-dependent pump change is active (see

Display 209)

[off] Time-dependent pump change is inactive

209 — Time for Pump Change

This display sets the time-dependent pump rotation. It is not active unless display 208 has been set to [on].

210 — Zone Operating Parameters

Press “Enter” to move to the available zone settings (204,

205, etc. See the PMU 2000 LCD Overview Illustrations).

211 — Pump Operating Parameters

To move from Pump 1 to Pump 2 (and higher pump numbers), press the “DOWN” arrow while in Menu 211. Press the “UP” arrow to move to lower pump numbers. Press

“Enter” to move to available pump settings (232, 233) for each pump.

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212 — Zone Name

For entry of a seven-character zone name (optional). Press

“Enter” to advance to the next letter position, then “+” or

“-” to select each character.

213 — Measuring Unit

If the pressure sensor(s) features a measuring unit different from the one set at the factory (default is psi), you can change the measuring unit in Display 213. The need for adjusting Display 213 normally occurs if the pressure sensor(s) are changed to a different value. The pressure sensor(s) may be changed, for example, due to a major change in inlet pressure or a change in the application requirements, such as increasing the pump stages to account for a need for higher pressure.

IMPORTANT NOTE: When the measuring unit is changed, all displays are automatically changed. However, the numerical values are not adjusted to reflect the change in units.

Example: If “bar” is changed to “psi,” all displays will reflect

“psi” automatically. But, a “bar” value of 1 ( for example) set in a display will not automatically be changed to 14.5, the conversion to psi. You must adjust all menu values to reflect the new “psi” unit. Not doing so can cause symptoms which you may think are hardware related.

Example: You change “bar” to “psi.” You change “set-point max.” from 6 bar to 87 psi, but you do not change the

“max. limit” value in Display 228, which was set to 10 bar.

You turn the BoosterpaQ on and it tries to ramp up to 87 psi, the set-point. But when it passes through 10 psi it stops because the “max. limit” is still set to 10. It appears that the BoosterpaQ has a hardware problem, but it only needs to be set correctly. Be sure to check all values to reflect a unit change. Check Displays 200, 201, 207, 218, 219, 220,

221, 228, 229, 231, 232, 233.

The following measuring units can be selected:

Pressure or pressure with pre-pressure measuring: bar, mbar, psi, kPa

214 — Control Function

This display sets either direct or inverse reaction of the system to deviations from the set-point.

[normal] If the actual value; for example pressure, is lower than the set-point, the pump performance will be increased.

[invers] If the actual value is higher than the set-point, the pump performance is increased. This might be used in a typical temperature application. For example, in a cooling application when temperature goes above the set-point

(positive temperature direction), the system speeds up to provide more cold water (positive speed direction).

The default is [normal].

216 — Pre-pressure Measuring

[on] Pre-pressure measuring is active

[off] Pre-pressure measuring is inactive

Pre-pressure measuring should be used if the system is running at a pre-pressure higher than 50% of the set-point and

10% of the pump max. pressure. Pre-pressure measuring, combined with a pressure transducer on the suction inlet, also provides low inlet pressure and dry run protection. Low inlet pressure and dry run protection is also available using a pressure switch or level control. However, these devices do not provide the analog pressure information to the PFU

2000 which is used to smooth performance when the above system characteristics are present. This setting must correspond to the menu.

217 — External Set-point Influence

External influence on the set-point is effected via the PFU

2000 analog/digital Input 3, Terminal 15.

The most common use of this function is to have a remote set-point adjustment (like from an energy management system or building automation system).

Example: A building automation system is set up to control the set-point of the system from a control room. The signal from the control room will be 4-20mA.

First, turn the external influence (217) to “external” and

“%”:

Set A

influence _external %

Then pressing the down button, adjust the analog input signal (AI 3) to 4-20 mA and the percentages to 0% and 100%.

Set A extern 4-20 mA

3 0 % 100%

Press the down arrow again and set up the next two windows according to the following:

Set A

0 % -> STOP psi

[off] External influence on the set-point via

the PFU 2000 is not possible

[extern] An external analog signal reduces the

set-point maximum.

Other influences are available for applications other than pressure boosting. Please consult Grundfos if you want to use one of the other influences.

219 — Discharge Pressure Sensor Measuring Range, Input 1

(AI 1)

In this display, the pressure sensor signal type is selected and the minimum and maximum range of the sensor is entered. The following signal types are available:

• 0-10 V

• 0-20 mA

• 4-20 mA (default, installed at the factory)

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PMU 2000 LCD display notes (continued)

220 — Suction Pressure Sensor Measuring Range, Input 2

(AI 2)

The suction pressure sensor signal output is recorded here.

If a suction pressure sensor is not installed, a pressure switch or level switch is wired across different terminals than the pressure sensor and PFU 2000 DIP Switch 1,

Contact 4 is set to “On.” A pressure sensor, set to pre-pressure measurement is the factory default. The following output signal selections are available:

• 0-10 V

• 0-20 mA

• 4-20 mA (default, installed at the factory)

221 — Input 3, External Set-point Influence Signal Input

(AI 3):

The external set-point influence signal type is recorded here.

• 0-10 V

• 0-20 mA

• 4-20 mA (default, installed at the factory)

222 — Input 4, Activate/Deactivate External Digital Signal

When a switch is closed across Terminals 16 and “—” on the PFU 2000 board, the Input 4 function selection is activated. The functions are:

[off] Closing the contacts causes no action. This is the factory default unless otherwise requested.

[remote] Remote control on/off. CLOSED contacts start the system.

[reduced op] When PFU 2000 Input 4 contact is CLOSED, the pumps which have NOT been set to reduced operation will be switched off. The effective set-point will be “setpoint max. 1,” set in Display 225.

[fire fight] Note that “fire fight” does NOT imply that

BoosterpaQ systems are certified as a fire pump system, as it is not. “Fire fight” is used to emphasize the necessity of overriding the water shortage monitoring function per operator discretion. When the PFU 2000 contact is CLOSED,

“set-point max. 1” will be activated. At least one pump is started. Pre-pressure measuring is deactivated and this function is not influenced by any external signal nor by the clock program (multiple set-points, Display 201). The value required for “set-point max. 1” is set in Display 225.

[flowswitch] When low flow occurs, the flow switch contacts must open. As actual pressure exceeds the set-point, the system will shut down.

223 — Minimum Speed

Available when service code is entered. Consult factory.

224 — Number of Pumps on Reduced Operation

This display appears only if “reduced op” is selected under

Input 4, Display 222. The number of pumps required to operate under “reduced op” is set in this display. The selection range is from 0 pumps to one pump less than the total number of pumps on the BoosterpaQ. The default value is

0, resulting in all pumps stopping when a switch is closed across PFU 2000 Terminals 14 and Y.

225 — Set-point Max.1

This display appears only if “reduced op.” is selected under

Input 4, Display 222. The value required for “set-point max.

1” is set in this display. The selection range is from STOP to

“set-point max.” set in Display 200.

226 — Stand-by Pumps

The number of stand-by pumps is set in this display. The range is from 0 pumps to one pump less than the total number of pumps on the BoosterpaQ. The default value is 0.

Example:

One stand-by pump in a 3-pump system has been selected.

All three pumps will start/stop in full alternation depending on the performance required, but only two pumps can run simultaneously. This provides even run time for all pumps, but reserves one pump capacity.

227 — Pump Priority

The operating priority of the pumps is set in this display.

The priority is from 1 (highest priority) to 8 (lowest priority).

When used: If you have a three pump system and one pump has a leaky seal or noisy motor bearing, you can set that individual pump to priority 2. The controller will not turn on this pump unless the other two pumps cannot keep up with demand or one of them has faulted.

228 — Max. Limit (High system pressure)

This display sets the maximum discharge pressure limit as measured by the discharge pressure sensor. If the pressure sensor is located downstream, the BoosterpaQ can produce the “max. limit,” plus the friction loss drop between the discharge and the pressure sensor before it will trip. This function is designed to help prevent damage due to over pressure, such as pipe breakage or damage to end use devices.

If “max. limit” is exceeded for more than 0.5 seconds, all pumps are switched off and a fault indication is produced.

If the pressure drops below the “max. limit” for more than five seconds, the pumps will be switched on automatically. The fault reason will remain in the Fault Indication

Menu until cleared or erased if 10 faults occur after it is recorded.

The range is from 0 to max. value of the discharge pressure sensor range.

229 — Min. Limit (Low system pressure)

This display sets the minimum discharge pressure limit as measured by the discharge pressure sensor. If the pressure sensor is located downstream, the BoosterpaQ must produce the friction drop head, plus the “min. limit” to avoid a trip.

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29 1/28/2005, 11:01 AM

30

This function can be used to check for a broken pipe. The system designer must confirm what the limit should be to indicate a broken pipe to avoid nuisance tripping. If a pipe has actually broken, the pressure won’t rise and the system won’t restart, preventing further water loss and possible water damage.

If the pressure at the sensor drops below the “min. limit” for more than five seconds and display 230 is set to [off], all pumps will stop and a fault indication will be produced.

If the pressure falls below “min. limit” and Display 230 is set to [on], the pumps will not be switched off, but a fault indication will be produced and recorded in the Fault

Indication Menu.

If the pressure rises above “min. limit” or more than five seconds, the fault indication will disappear and the pumps will be switched on automatically.

The set range is from 0 to the maximum value of the pressure sensor.

230 — Min. Limit Operation

[on] No pumps are switched off at “min. limit” operation, but a fault indication is produced.

[off] The pumps are switched off at “min. limit operation” and a fault indication is produced.

231 — Min. Pre-pressure (low suction pressure)

This display only appears if pre-pressure measuring is [on],

Display 216.

This display sets the “min. pre-pressure” at which a fault indication is produced. If the inlet pressure falls below

“min. pre-pressure,” all the pumps are switched off and a fault indication is produced. It protects against dry run and can be used to shut off the system if the inlet drops below local government low inlet pressure limits. When the pressure rises above the “min.” pressure value, the fault resets and the system will run.

See PMU factory settings.

232 — Maximum Head

This display records the maximum pump head for each pump at 0 flow (shut-off) and 100% RPM. The PMU 2000 requires this information for smooth operation.

233 — Running Hours

This display changes the recorded running hours for each pump. If a pump is replaced or service is performed, the running hours can be set to 0 in order to keep a record of total running hours without having to log it.

234 — Pump Start Time

Only available when the service code is entered. Consult factory.

235 — Hydraulic

Sets the pumps to operate in series or parallel. BoosterpaQ pumps always operate in parallel. Only available when service code is entered.

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START/STOP MENU

300 — Start/Stop of Zones

The top line indicates the specific zone (“A” is the default for BoosterpaQs), the zone name if entered, and its control parameter.

The bottom line selects whether the zone is active or switched off.

The zone has four settings:

[on] The pumps are started by the PMU 2000, depending on the required performance.

[off] The pumps in the zone are switched off.

[local] The pumps are not controlled by the PMU 2000, but by the PFU 2000.

[max.] All pumps which are set to [on] in display 301 are operated at maximum performance. All internal monitoring functions remain active. Any remote-controlled setpoints, clock program (multiple set-points), and external start/stop inputs are not active.

301 — Start/Stop of Pumps

The top line indicates the specific pump and its operating condition (see the Pump Status Menu).

The bottom line is used to select whether the pump is active or switched off.

[on] The pump is started by the PMU 2000, depending on the required performance.

[off] The pump is switched off.

ZONE STATUS MENU

(Adjustments cannot be made here—for viewing only)

401 — Actual Set-point

This display indicates the actual set-point. If it is different than “set-point max.” it may be due to the settings entered in other displays. These are called “influences.” To see if there are any factors influencing the actual set-point, press

“Enter” when in Display 401 to bring up Display 402.

If the operating pressure is lower than the set-point, before assuming a hardware problem, check this menu to determine if other factors may be lowering the set-point, resulting in a lower actual system pressure.

402 — Set-point Influence

This display indicates the set-point influences selected and the impact they will have on modifying “set-point max.” to produce “set-point act.” If more than one set-point influenced is entered, several underlying displays can be triggered (for example: 201, 202, 217, 222, 224, 225, and

226). Display 204, system time constant does not change the set-point, but if it is set much lower than it should be, sluggish action could incorrectly give an appearance that the set-point is too low or a hardware problem exists.

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403 — Actual Value

This display indicates the actual discharge pressure.

404 — Speed

This display indicates the performance sum of all the operating pumps. Each pump is rated at 100% when running full speed. For example, in a three-pump system where all pumps are running at max. speed, Display 404 will indicate

300%.

In the same three-pump system with one pump running at max. speed, one pump frequency-controlled to 50%, and one pump stopped, Display 404 will indicate 150%.

405 — Set-point Max.

This display indicates the maximum set-point as set in

Display 200.

406 — Clock Program (Multiple Set-points)

This display gives an overview of the switching times set in Display 201.

407 — On/Off Band

This display indicates the “on/off band” values set in

Display 207.

408 — System Time Constant (Reaction Time)

This display indicates the system time constant set in

Display 204.

409 — Minimum Switching Time

This display indicates the minimum switching time set in

Display 205.

410 — Pump Change (Rotation)

This display indicates whether time-dependent change has been selected, Display 208.

[on] Time-dependent pump change is active.

[off] Time-dependent pump change is inactive.

After each pump stops, the PMU 2000 changes the starting order of the pumps regardless of the on/off status of this display.

411 — Time for Pump Change

This display indicates when time-dependent pump change is initiated after the system is started (Display 209).

[00:05] (5 minutes after midnight) is the default. Be sure to set the correct time in Display 103. Whatever the setting, time-dependent rotation occurs 24 hours after the initiation and occurs again every 24 hours thereafter unless demand change has caused pumps to start and stop or a fault occurs.

412 — Control Function

This display indicates the control function selected in

Display 214.

[normal] If the actual value is smaller than the set-point, the pump performance is increased.

[invers] If the actual value is smaller than the set-point, the pump performance will be reduced.

413 — Medium Sequence

Timing function, only available when service code is entered.

414 — Pre-pressure Measuring

This display indicates the following as set in Display 216.

[on] Pre-pressure measuring is active.

[off] Pre-pressure measuring is inactive.

415 — External Set-point Influence

This display indicates the external influence selected in

Display 217.

416 — Pressure Sensor Measuring Range, Input 1, Discharge

Pressure

This display indicates the measuring unit of the discharge pressure sensor, Display 219.

417 — Pressure Sensor Measuring Range, Input 2, Inlet

Pressure

This display indicates the measuring unit of the inlet pressure sensor, Display 220.

418 — Pre-Pressure Measuring

[on] or [off]. Corresponds to Display 216.

419 — Input 4

This display indicates the function of PMU 2000 digital

Input 4, Display 222.

420 — Input 4 (Value)

This display indicates the values set in the following displays. Display 222 must be set to “reduced op.” in order for

Displays 224 and 225 to show.

[reduced op] Display 224 [set-point max1] Display 225

421 — Stand-by Pump

This display indicates the number of stand-by pumps,

Display 226.

422 — Pump Priority

Indicates the operating priority of the pumps, Display 227.

423 — Max. Limit

Indicates the “maximum limit,” Display 228. If this limit is exceeded for 0.5 second, the pumps will stop and a fault is indicated. If the pressure drops below the “maximum limit” for more than five seconds, the system will restart automatically.

424 — Min. Limit

Indicates the discharge “minimum limit,” Display 229. If the discharge falls below this limit, a fault occurs.

If [off] is selected in Display 230, the pumps are switched off as well as a fault indicated.

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425 — Min. Limit Operation

Indicates whether “min. limit operation” is active or inactive as selected in Display 230.

[on] No pumps are switched off if the value falls below the minimum limit, but a fault is indicated.

[off] The pumps are switched off when the value falls below the minimum limit, and a fault is indicated.

426 — Hydraulic

Sets the pumps to operate in series or parallel. Always set to parallel for BoosterpaQs. Only available when the service code is entered.

427 — Minimum Speed

Only available when the service code is entered.

435 — Min. Pre-pressure

Indicates the minimum pre-pressure fault value entered in

Display 231 (Display 216 [on]).

PUMP STATUS MENU

500 — Examples of Pump Status

The top line indicates the pump number and zone (Zone

“A” set as the factory default).

The bottom line indicates the current operating condition of the pump.

[I] The pump is running.

[O] The pump is stopped.

[A] There is a fault indication for the pump (see Fault

Indication Menu, Display 600).

[M] The pump is set to max. speed.

[is running] The pump is controlled by the zone settings.

[cascade cont] The pump has been switched off due to a low performance requirement or the zone has been switched off via an external stop/stop switch.

[zone is off] The zone has been switch off from the PMU

2000 via the start/stop menu.

[remote off] The pump has been switched off via an external start/stop switch connected to the pump or PFU 2000.

[switched off] The pump has been switched off from the

PMU 2000 via the start/stop menu.

[not availabl] No power supply to the pump or the pump has not been connected to the PMU 2000.

[fault] Other fault which has caused the pump to be switched off.

504 — Pump Maximum Head

Indicates the maximum head of the pump at maximum speed and 0 flow (shut-off at full RPM) set in Display 232.

508 — Pump Running Hours

Indicates the accumulated running hours of the pump. The hours can be changed in Display 233 after periodic maintenance or when a pump is replaced. Eliminates the need for a hard copy record.

FAULT INDICATION MENU

600 — Examples of Fault Indications

Examples of fault indications for the PFU 2000:

The top line indicates [PFU] and the pump numbers.

The bottom line indicates the time at which the fault occurred, when it disappeared or whether it still exists.

Under “Alarm,” the last 10 fault indications can be viewed, sorted by time of occurrence, the latest fault appearing first.

When the fault condition has been eliminated, reset the indication by pressing “Enter.”

If “alarm suppression” was set to [on] in the Basic Menu, the alarm output will be suppressed for 15 minutes by pressing one of the buttons on the PMU 2000.

The cause of the fault can be:

No voltage supply to the PFU 2000

Defective communication cable between the PFU 2000 and the PMU 2000

Fault in the PFU 2000 or PMU 2000

[7 8] Fault in the PFU 2000 connected to pumps 7 and 8

[11:59] Time the fault occurred

[13-06] Date the fault occurred [dd-mm]

[13:20] Time the fault disappeared

[14-06] Date the fault disappeared [dd-mm]

[actual] The fault still exists

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PMU 2000

GRUNDFOS BUS

PFU 2000

Maintenance

Care must be taken to ensure that escaping water does not cause injury to persons or damage to the motor or other components. In hot water installations, special attention should be paid to the risk of injury caused by scalding hot water. See also page 3, “Safety Warning” and “Shock

Hazard.”

Pumps — Pump bearings and shaft seal are maintenancefree. If the pump is to be drained for a long period of inactivity, remove one of the coupling guards to inject a few drops of silicone oil on the shaft between the pump head and the coupling. This will prevent the shaft seal faces from sticking.

Motor Bearings — Motors which are not fitted with grease nipples are maintenance-free sealed bearings. Motors fitted with grease nipples should be lubricated according to the greasing instructions in the CR Pump Installation and Operating manual. In the case of seasonal operation

(motor is idle for more than six months of the year), it is recommended to grease the motor when the pump is taken out of operation.

Frost Protection — Pumps which are not being used during periods of frost should be drained to avoid damage. Drain the pump by loosening the vent screw in the pump head and by removing the drain plug from the base. Do not tighten the vent screw. Replace the drain plug. Pressure transducers should also be removed to avoid damage. To restart operation, see “Start-Up.”

Control Panel — It must be kept clean and dry. Systems with cooling fans have filters that should be cleaned periodically. No other periodic maintenance is required.

PMU 2000

GRUNDFOS BUS

PFU 2000

PMU 2000

GRUNDFOS BUS

PFU 2000

PMU 2000

GRUNDFOS BUS

PFU 2000

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33

34 Technical information

DIP Switch Setting for PFU 2000. See the factory settings sections of this manual.

DIP Switch

DIP 1 DIP 2

Setting of On/Off Band 1 2 3 4 5 6 7 8 9 1 2 3

Very Small

7 psi

ON ON

Small

10 psi

ON OFF

Normal

15 psi

OFF OFF

Large

22 psi

OFF ON

Setting of system time, minimum switching sequence and medium switching sequence

Quick

System time 0.8 seconds

Min. switching sequence 2 seconds OFF ON

Medium switching sequence 10 seconds

Normal

System time 2 seconds

Min. switching sequence 5 seconds OFF OFF

Medium switching sequence

20 seconds

Slow

System time 10 seconds

Min. switching sequence 10 seconds ON ON

Medium switching sequence

120 seconds

Very Slow

System time 60 seconds

Min. switching sequence 20 seconds ON OFF

Medium switching sequence

300 seconds

Pre-pressure/water shortage monitoring:

Pre-pressure measuring (4-20 mA)

OFF ON OFF

— Water shortage monitoring

(switch) (NC or NO)

ON OFF ON

1. Without a PMU 2000

1.1 Operation on the basis of EPROM

settings in the PFU 2000 ON

1.2 Operation on the basis of data

stored in the PFU 2000 RAM. OFF

2. With a PMU 2000

2.1 Operation on the basis of current

PMU 2000 data. OFF

Discharge pressure:

— 0-10V signal OFF

— 4-20 mA signal ON

External set-point influence signal:

— 0-10V signal

— 4-20 mA signal

This PFU 2000 controls the last pump of the zone: OFF

This PFU 2000 does not control the last pump of the zone: ON

Number of pumps controlled: 1 OFF OFF

Number of pumps controlled: 2 OFF ON

Number of pumps controlled: 3 ON OFF

Number of pumps controlled: 4 ON ON

*If your BoosterpaQ has more than four pumps, there will be two PFU 2000 controllers.

OFF

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34 1/28/2005, 11:01 AM

Technical information

(continued)

Expansion module — PFU

2000/9 Only. PFU 2000/4 on MS and MSH systems do not have an expansion board.

Expansion module — Control Board,

PFU 2000/9 & PFU 2000/4

Expansion module — Control Board,

PFU 2000/9 & PFU 2000/4

AI 2

AI 1

Also refer to electrical schematic in the control panel.

AI 2

AI 1

Also refer to electrical schematic in the control panel.

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35 Also refer to electrical schematic in the control panel.

AI 2

AI 1

36

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Technical information

(continued)

Minimum inlet pressure

Calculation of the inlet pressure “H” is recommended when…

• the liquid temperature is high

• the flow is significantly higher than the rated flow

• water is drawn from depths

• water is drawn through long pipes

• inlet conditions are poor.

To avoid cavitation, make sure that there is a minimum pressure on the suction side of the pump. The maximum suction lift “H” in feet can be calculated as follows:

H = p b

x NPSHR — H f

— H v

— H s p b

= Barometric pressure in feet absolute.

(Barometric pressure can be set to 33.9 feet

at seal level.)

In closed systems, p b

pressure in feet.

indicates the system

NPSHR = Net Positive Suction Head Required in feet.

(To be read from the NPSHR curve at the

highest flow the pump will be delivering.)

H f

= Friction loss in suction pipe in feet. (At the

highest flow the pumps will be delivering.)

H v

= Vapor pressure in feet.

(To be read from the vapor pressure scale.

H v depends on the liquid temperature

H s

= Safety margin = minimum 2.0 feet

If the “H” calculated is positive, the pump can operate at a suction lift of maximum “H” feet.

If the “H” calculated is negative, an inlet pressure of minimum “H” feet is required.

Diaphragm tank

Please install ASME tank when required. To maintain UL/ cUL system approval, tanks attached to the BoosterpaQ manifolds must be ASME certified.

Recommended minimum diaphragm tank sizes are as follows:

Recommended Diaphragm Tank Size (gallons)

Pump Type ME MES MF MS

CR(E) 3 4.4 4.4 4.4 20

CR(E) 5 4.4 4.4 4.4 34

CR(E) 10 8.6 8.6 8.6 62

CR(E) 15 34 34 34 211

CR(E) 20 34 34 34 211

CR(E) 32 44 44 44 317

CR(E) 45 86 86 86 528

CR(E) 64 132 132 132 1056

CR90 — — 132 1056

If your system has minor leaks or experiences low intermittent flows, a larger tank size may be required. These are minimum sizes. Installing larger sizes can result in smoother operation.

For MS systems the size of the diaphragm tank can also be calculated by means of the following formula:

V =

Q x 15 x (14.5 + P set

+ On/off n max x On/off band band

)

x 1 x k k

V = Tank volume (gallons)

Q = Nominal flow for the smallest pump in

the system (gpm)

On/off band

= Difference between set-point and stop

pressure [psi] p set

= Set-point [psi] k = 0.9,

constant for diaphragm tank

pre-charge pressure n max

= Max. number of starts/stops per hour.

Operating conditions

Liquid Temp.: Maximum +176°F (+80°C) for standard

systems. Call for higher temperatures.

Ambient Temp.: 32°F to +104°F (0°C to +40°C)

Consult factory for higher tempera-

tures.

Operation above 131°F (55°C) is not

allowed.

Operating Press.: 150 psi or 230 psi, as rated for the

specific BoosterpaQ.

Do not exceed the pressure rating of

the tank.

Humidity: 95% maximum

Line impedance

It is recommended that the electricity supply have a line impedance of 1% — 2% (3% max. for 3x575V supply).

Total Harmonic Distortion

The Total Harmonic Distortion on the voltage should be no more than 5%.

Sound pressure level

For individual pump sound pressure values, call Grundfos.

The sound pressure level for a number of pumps can be calculated as follows:

Lmax = Lpump + (n — 1) x 3

Lpump = Sound pressure level for one pump

Lmax. = Maximum sound pressure level n = Number of pumps

36 1/28/2005, 11:01 AM

Maximum inlet pressure

Discharge pressure must not exceed the tank, sensor and gauge ratings.

Pump

CR, CRI, CRN 1s psi (bar)

1s-2 t 1s-27 145 (10)

CR(E), CRI(E), CRN(E) 1

1-2 t 1-25 145 (10)

1-27

218 (15)

CR(E), CRI(E), CRN(E) 3

3-2 t 3-15 145 (10)

3-17 t 3-25 218 (15)

CR(E), CRI(E), CRN(E) 5

5-2 t 5-9 145 (10)

5-10 t 5-24 218 (15)

CR(E), CRI(E), CRN(E) 10

10-1 t 10-5 116 (8)

10-6 t 10-17 145 (10)

CR(E), CRI(E), CRN(E) 15

15-1 t 15-2 116 (8)

15-3 t 15-12 145 (10)

CR(E), CRI(E), CRN(E) 20

20-1

116 (8)

20-2 t 20-10 145 (10)

CR(E), CRN(E) 32

32-1-1 t 32-2 58 (4)

32-3-2 t 32-6 145 (10)

32-7-2 t 32-11-2 218 (15)

CR(E), CRN(E) 45

45-1-1 t 45-1 58 (4)

45-2-2 t 45-3 145 (10)

45-4-2 t 45-8-1 218 (15)

CR(E), CRN(E) 64

64-1-1 58 (4)

64-1 t 64-2-1 145 (10)

64-2 t 64-5-2 218 (15)

CR(E), CRN(E) 90

90-1-1 t 90-1 145 (10)

90-2-1 t 90-4-1 218 (15)

BpaQ IO INDD.indd

37 1/28/2005, 11:01 AM

37

38

BpaQ IO INDD.indd

Technical information

(continued)

Electrical data PFU and PMU

PFU Terminal

Designation or Function PFU 2000 Technical data

Number

L, N, PE Voltage supply for PFU 2000. 1 x 115V +/- 10%, 60 Hz, PE

1 x 230-240V + 6% / -10%, 60 Hz, PE

A, Y, B Communication among the units in the GRUNDFOS BUS, RS-485, GRUNDFOS BUS protocol

Grundfos Pump Management System 2000

1-4 Analog/digital input for motor protection PTC or thermal switch (NC)

5 Monitoring of variable frequency drive NC contact

6 Analog control signal for variable frequency drive DC 0-10V

7 Connection of external LED (fault) Positive (anode), maximum 5 mA

8 Connection of external LED (operation) Positive (anode), maximum 5 mA

11 and 13 DC 24V supply for transmitter Maximum 70 mA

ANALOG INPUT 1: DC 0-10V

Actual value in the system 0-20 mA 4 — 20 mA

14 ANALOG INPUT 2: DC 0-10V

Input for pre-pressure 0-20 mA

Input signal can be inverted by means of the 4-20 mA

DIP1, Contact 4 On/off contact (digital)

ANALOG INPUT 3: DC 0-10V

15 Signal for remote setting of set-point. Note: In 0-20 mA

systems without PMU 2000, only DC 0-10V 4-20 mA

can be used

16 DIGITAL INPUT 4: For remote on/off, flow Maximum contact load: 12V / 12 mA

switch, etc.

17 Connection of external reset button, for instance, Maximum contact load: 12V / 12 mA

in the front cover of the control cabinet, or

external potentiometer for selecting the set-point

20 and 30 Contactor coil voltage ____

29 Variable frequency drive on/off ____

21, 22, 23, 24 On/off of motors 1, 2, 3, 4. Mains-operation Maximum contact load: 250V / 8 A, AC1

25, 26, 27, 28 On/off of motors 1, 2, 3, 4. Maximum contact load: 250V / 8 A, AC1

Variable frequency drive operation

31 — 33 Fault signal relay Potential-free contacts

Maximum contact load: 250V / 0.5 A, AC1

41 — 43 Operating signal relay Potential-free contacts.

Maximum contact load: 250V / 0.5 A, AC1

Function PMU 2000

L, N, PE Voltage supply for PMU 2000 1 x 115V +/- 10%, 60 Hz, PE

1 x 230-240V + 6% / -10%, 60 Hz, PE

1, 2, 3 Operating signal relay Potential-free contacts

Maximum contact load: 250V / 1.0 A, AC1

4, 5, 6 Fault signal relay Potential-free contacts

Maximum contact load: 250V / 1.0 A, AC1

7, 8, 9 Communication among the units in the GRUNDFOS BUS, RS-485, GRUNDFOS BUS

Grundfos Pump Management System 2000 protocol.

Mains supply

Main Power Control 2000 See BoosterpaQ nameplate and electrical print for

Switch phase and voltage requirement.

38 1/28/2005, 11:01 AM

LIMITED WARRANTY

Products manufactured by GRUNDFOS PUMPS CORPORATION (GRUNDFOS) are warranted to the original user only to be free of defects in material and workmanship for a period of

24 months from date of installation, but not more than 30 months from date of manufacture. GRUNDFOS’ liability under this warranty shall be limited to repairing or replacing at

GRUNDFOS’ option, without charge, F.O.B. GRUNDFOS’ factory or authorized service station, any product of GRUNDFOS’ manufacture. GRUNDFOS will not be liable for any costs of removal, installation, transportation, or any other charges which may arise in connection with a warranty claim. Products which are sold but not manufactured by GRUNDFOS are subject to the warranty provided by the manufacturer of said products and not by GRUNDFOS’ warranty.

GRUNDFOS will not be liable for damage or wear to products caused by abnormal operating conditions, accident, abuse, misuse, unauthorized alteration or repair, or if the product was not installed in accordance with GRUNDFOS’ printed installation and operating instructions.

To obtain service under this warranty, the defective product must be returned to the distributor or dealer of GRUNDFOS’ products from which it was purchased together with proof of purchase and installation date, failure date, and supporting installation data. Unless otherwise provided, the distributor or dealer will contact GRUNDFOS or an authorized service station for instructions. Any defective product to be returned to GRUNDFOS or a service station must be sent freight prepaid; documentation supporting the warranty claim and/or a Return

Material Authorization must be included if so instructed.

GRUNDFOS WILL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES,

LOSSES, OR EXPENSES ARISING FROM INSTALLATION, USE, OR ANY OTHER CAUSES. THERE

ARE NO EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE, WHICH EXTEND BEYOND THOSE WARRANTIES DESCRIBED OR REFERRED

TO ABOVE.

Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages and some jurisdictions do not allow limitations on how long implied warranties may last. Therefore, the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction.

BpaQ IO INDD.indd

39 1/28/2005, 11:01 AM

39 Being responsible is our foundation

Thinking ahead makes it possible

Innovation is the essence

BpaQ IO INDD.indd

L-BP-TL-001 Rev. 1/05

PRINTED IN USA

GRUNDFOS Pumps Corporation

17100 W. 118th Terrace

Olathe, KS 66061

Telephone: 913 227 3400

Fax: 913 227 3500 www.grundfos.com

GRUNDFOS Canada, Inc.

2941 Brighton Road

Oakville, Ontario, Canada L6H 6C9

Telephone: 905 829 9533

Fax: 905 829 9512

Bombas GRUNDFOS de Mexico, S.A. de C.V.

Boulevard TLC #15

Parque Stiva Aeropuerto

Apodaca, N.L., Mexico 66600

Telephone: 52 81 8144 4000

Fax: 52 81 8144 4010

40 1/28/2005, 11:01 AM

Источник

Главная
Каталог
Насосы Grundfos
Устройства контроля и управления
PMU 2000, PCU 2000

Устройства управления насосами Grundfos PMU 2000, PCU 2000

Особенности и преимущества:

Простота подключения
Удобство управления благодаря наличию жидкокристаллического дисплея и клавиатуры для задания параметров
Возможность связи с внешней системой управления

Область применения:

PMU 2000: Настройка параметров регулируемых насосов (до 8 шт.)
PCU 2000: Коммутационный блок с релейными выходами работа/неисправность для каждого насоса

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Источник

GRUNDFOS INSTRUCTIONS

BoosterpaQ

®

Grundfos CR-Booster Systems

60 Hz

Installation and operating instructions

Model:

Part Number:

PFU 2000 Eprom P/N:

PMU 2000 Eprom P/N:

Serial Number:

Production Date:

Your BoosterpaQ was factory assembled and tested with the factory set control parameters listed at the beginning of one of the following sections as marked.

Standard PFU 2000 System Controller

(See pages 6 and 7 for Installation and Start-up)

Standard PMU 2000 System Controller

(See pages 6 and 8 for Installation and Start-up)

2

CONTENTS

SAFETY WARNING

SHOCK HAZARD

Application

Related Documents

BoosterpaQ System Types

3

Construction

BoosterpaQ Control Modes

4

5

Installation

Location

Hydraulic installation

Electrical connection

6

PFU 2000 Startup

7

8

PMU 2000 Startup

Troubleshooting —

Common Startup Problems

9

10

Troubleshooting/Fault-finding chart

11

12

Faults, general

Manual resetting (restarting of PFU 2000)

Automatic resetting

(restarting of PFU 2000)

13

Factory settings with standard

PFU 2000 System Controller

(PMU 2000 NOT installed)

o

o

With Optional PMU 2000 System

Controller Installed

R100 factory settings

PMU factory settings

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o

o