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Grundfos CME Series User Manual

Grundfos CME Series
44 pages
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GRUNDFOS INSTRUCTIONS
CRE, CRIE, CRNE, SPKE, CRKE,
MTRE, CME
Grundfos E-pumps with MLE frequency-controlled permanent-magnet
motors
Installation and operating instructions

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Grundfos CME Series Specifications

General IconGeneral
TypeCentrifugal Pump
Power SupplyElectric
Maximum Operating Pressure10 bar
Housing MaterialStainless steel
Impeller MaterialStainless steel
MaterialStainless Steel
ApplicationsWater boosting, industrial applications, domestic water supply, irrigation, pressure boosting in buildings
Pumped LiquidClean water
ApprovalsCE
Seal TypeMechanical Seal
Pressure RatingPN10

Summary

1. Limited warranty

5. General description

5.1 Pumps without factory-fitted sensor

Details pumps with a built-in PI controller and options for external sensors.

5.2 Pumps with factory-fitted pressure sensor

Describes pumps with a built-in PI controller and pressure sensor for discharge pressure control.

5.3 Settings

Explains how setpoints and other settings can be configured via control panel or remote.

6. Mechanical installation

6.1 Mounting

Instructions on securing the pump to a solid foundation using bolts.

6.2 Cable entries

Details the M20 screwed cable entries and included cable glands.

6.3 Ensuring motor cooling

Guidelines for maintaining adequate cooling of the motor and electronics.

7. Electrical installation

7.1 Protection against electric shock, indirect contact

Details protection measures against electric shock and indirect contact.

7.2 Power supply

Details the single-phase and three-phase supply voltage requirements and connection.

7.3 Additional protection

Explains additional protection measures for single-phase and three-phase motors.

7.4 Connection terminals

Describes connection terminals for both single and three-phase motors.

7.5 Signal cables

Guidelines for selecting and connecting screened signal cables.

7.6 E-pump electrical connections

Details the electrical connections for E-pumps to sensors and other devices.

8. Operating conditions

9. Operating and control modes

9.2 Operating mode

Describes the different operating modes like Normal, Stop, Min., Max., and Manual.

9.3 Control mode

Details the various control modes such as constant pressure, flow, temperature, etc.

10. User interfaces

10.1 Standard control panel

Describes the standard control panel, its buttons, and indicators.

10.1.1 Setpoint setting

Explains how to set the desired setpoint using the control panel.

10.1.2 Start/stop of pump

Instructions for starting and stopping the pump using the control panel buttons.

10.1.3 Resetting of alarms and warnings

Describes methods for resetting alarms and warnings on the control panel.

10.3 R100 remote control

Details the R100 remote control and its communication with the pump.

10.3.2 OPERATION menu

Describes the OPERATION menu of the R100, including setpoint, speed, and alarm settings.

10.4 Grundfos GO Remote

Information on the Grundfos GO Remote for wireless communication and pump control.

11. External setpoint signal

12. Bus signal

13. Priority of settings

14. Grundfos Eye

15. Signal relays

17. Technical data, single-phase motors

18. Technical data, three-phase motors

19. Inputs/outputs

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