Wilo Comfort-Vario COR-1***-/VR Series, Инструкция по установке и эксплуатации

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English
46 WILO SE 07/2013
NOTE!
You can find information on pump or control
device faults not dealt with here in the supplied
documentation for the components concerned.
If the operating fault cannot be remedied,
please consult a specialist company or your
nearest Wilo customer service or representa-
tive.
11 Spare parts
Spare parts or repairs may be ordered from local
specialist retailers or Wilo customer service.
To avoid queries and incorrect orders, all data of
the rating plate should be submitted for each
order.
Subject to change without prior notice!
Air in the inlet Check and shut off the piping and vent the
pumps if necessary.
Impellers blocked Check the pump and replace it or have it
repaired if necessary.
Non-return valve leaking Check and replace the seal or non-return
valve if necessary.
Non-return valve blocked Check and remove the blockage or replace
the non-return valve if necessary.
Gate valve in the system closed or not
sufficiently open Check and open the shut-off device com-
pletely if necessary.
Low-water level switch has triggered Check the inlet pressure.
Pump generates no or insufficient
power Incorrect direction of rotation of the
motor Check the direction of rotation and repair or
replace the frequency converter module if
necessary.
Turn-to-turn fault in the motor Check, if necessary replace motor or have
repaired.
Dry-running protection switches off
although water is present Major fluctuations of the inlet pressure Check the inlet pressure and take measures
to stabilise the inlet pressure if necessary
(e.g. pressure reducers).
Nominal diameter of the inlet pipe too
small Check the inlet pipe and increase the cross-
section of the inlet pipe if necessary.
Inlet pipe installed incorrectly Check the inlet pipe and change the pipe
routing if necessary.
Flow rate too high Check the pump data and default values
and correct them if necessary.
Electrodes connected incorrectly or sup-
ply pressure switch set incorrectly Check the installation or setting and cor-
rect it.
Low-water level switch defective Check and, if necessary, replace the low-
water level switch.
Dry-running protection does not
switch off in spite of low water Electrodes connected incorrectly or sup-
ply pressure switch set incorrectly Check the installation or setting and cor-
rect it.
Low-water level switch defective Check and, if necessary, replace the low-
water level switch.
Fault Cause Remedy