BWT CRU 200, Installation And Operating Manual

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EN
8
Fault 3:
TP-pump is
running but no
water is
getting to the
consumer

Air in the TP-pump.

The TP-pump needs to be bled of air. Switch power OFF, fill
up the tank and turn switch power back to ON. Let the pump
run a while with a large flow in order to get the remaining air
out of the pump case.

Low water level.

Disconnect the consumer. Let the tank become completely
filled and the TP-pump will start automatically.
Fault 4:
TP-pump
starts and
stops

If the piping
connection is too
small there is a risk
of outages on the
plant due to lacking
water
pressure/amount
etc.

Replace the outlet pipe (water for consumption) with an outlet
pipe with a larger dimension.

Non-return valve is
leaks/defective.

Replace the non-return valve.

The hydrophore is
defective or lacking
air.

Replace the pressure tank and set the pre-pressure at 2.7 bar.

The hydrophore
capacity is too
small.

Contact BWT for technical advice.

Pressure switch set
incorrectly.

Set the pressure switch at 4.0 bar (Stop) and 3.0 bar (Start).