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Grundfos MQ 3-45 - Page 20

Grundfos MQ 3-45
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28.04.2003
GB
20 / 24
4.10.3 Observation C
C1
TM02 2383 4201
Check that the inlet conditions are satisfactory.
C2
TM01 9696 2600
Prime the pump.
C3
TM02 2372 4201
Disconnect the electricity supply by pulling out the plug.
C4
TM02 2384 4201
Check if the pump is seized-up by means of a screwdriver.
If it is impossible to turn the motor and pump, the hydrau-
lics must be checked. See the exploded drawing.
C5
TM02 2385 4201/TM02 2386 4201
Bypass the controller by connecting the motor lead to the
mains cable.
Non-return valve

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