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Grundfos CMBE User Manual

Grundfos CMBE
111 pages
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English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ............. 5
1.1 Hazard statements .............. 5
1.2 Notes ..................... 5
2. Safety instructions ............. 6
3. Product introduction ............ 8
3.1 Intended use ................. 8
3.2 Pumped liquids ................ 9
3.3 System sizing ................. 9
4. Mechanical installation ........... 9
4.1 Mounting the tank ............... 9
4.2 Adjusting the diaphragm tank pressure . ..10
4.3 Installation altitude ..............10
5. Electrical connection ............10
5.1 Cable requirements ..............11
5.2 Standard functional module, FM 200.....11
6. Startup ....................15
6.1 Flushing the system..............15
6.2 Supplement to quick guide ..........15
6.3 Priming and venting the product .......15
6.4 Starting up the booster system ........16
6.5 Shaft seal run-in................16
7. Control functions ..............16
7.1 Constant pressure ..............16
7.2 Dry-running protection ............16
7.3 Inlet pressure protection ...........17
8. Setting the product .............18
8.1 Operating panel ................18
8.2 Setpoint setting ................18
8.3 Start/stop of pump ..............18
8.4 Resetting of fault indications .........18
9. Servicing the product ............19
9.1 Cable requirements ..............19
9.2 Megging ....................19
10. Taking the product out of operation ....19
11. Fault finding .................20
11.1 Pump is not running..............20
11.2 Pump is not running..............20
11.3 Pump performance is unstable ........21
11.4 Pump runs backwards when switched off ..21
12. Technical data ................22
12.1 Operating conditions .............22
12.2 Supply voltage ................22
12.3 Overload protection ..............22
12.4 Cable requirements ..............22
13. Further product information ........23
14. Disposing of the product ..........23
15. Document quality feedback ........23
4
English (GB)

Table of Contents

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Grundfos CMBE Specifications

General IconGeneral
Flow RateUp to 6 m³/h
MaterialStainless Steel
Motor TypePermanent magnet motor
Liquid Temperature0°C to +60°C
Maximum Operating Pressure10 bar
Enclosure ClassIP55
Frequency50 / 60 Hz
Pump TypeCentrifugal pump
Power Supply1 x 200-240 V
ControlIntegrated Frequency Converter
Max Head60 m
Seal TypeMechanical seal
Motor Power0.3 - 1.5 kW

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