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ENGLISH
slotted rotor shaft using a
screwdrivier and if necessary
unblock,
– Switch pump on.
Risk of scalding at
high water tempera-
tures and system
pressures.
Noisy pump operation
– Check differential presure set-
ting and if necessary reset.
– Heating output too low, options
for increasing it:
f increase setpoint value,
f switch off automatic operation,
To briefly turn off the night-time
slowdown facility (control check)
simply turn the button a little
each way.
– In the event of cavitation noise
increase system admission
pressure within the permitted
range.
If the operating fault cannot be
rectified, please contact your
sanitary and heating specialist
or WILO Customer Service.
Subject to technical alterations!
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