Mixing pump G 4 X FU 230/400V / Part 2 Overview, operation and service
Operation
5.3.9.1 Initial start-up booster pump
1
Figure 54: Filling the pump
Fill the PFT booster pump with water prior to initial start-up to let the
air escape from the pump housing.
Fill water through the water inlet (1).
Check the strainer at the water inlet (1).
Do not fill too quickly so that the air has time to completely escape
from the housing.
It is best if the suction flange is also filled at that time.
5.3.9.2 Putting the pressure booster pump into operation
1
2
Figure 55: Connect lines
The following instructions have to be observed before operating the
pump.
The pump has to be installed in a horizontal position.
Before start-up both the suction line has to be connected to position 1
and the pressure line to position 2.
It is important that the lines are of adequate dimensions:
At least 1" for the suction line
At least ¾" for the pressure line
Make sure that the hose is completely airtight and immersed in the
liquid to be pumped, to avoid air being sucked in.
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