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Grundfos Magna 40-120 Service Instructions

Grundfos Magna 40-120
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Service instructions
MAGNA Series 2000
Magna 32-120, 40-120, 50-60, 50-120, 65-60, 65-120
50/60 Hz
1~
1 / 15
96558929 0804
GB
1. Type identification .......................................................................................................................2
1.1 Nameplate......................................................................................................................................................2
1.2 Type key ..........................................................................................................................................................2
2. Dismantling and assembly ..........................................................................................................3
2.1 Dismantling the pump................................................................................................................................4
3. Fault correction............................................................................................................................. 5
3.1 Fault finding................................................................................................................................................... 5
3.2 Fault correction procedure.........................................................................................................................8
3.3 Fault indications via R100 fault log .......................................................................................................14
4. Winding resistance..................................................................................................................... 15
The pump must be serviced by a qualified person.
Service must be carried out in accordance with local regulations and accepted codes of good practice.

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Grundfos Magna 40-120 Specifications

General IconGeneral
Head12 m
Frequency50 / 60 Hz
Max Operating Pressure10 bar
Connection SizeDN 40
Pump TypeCirculator pump
Voltage230 V
Liquid Temperature Range-10°C to +110°C

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