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ENGLISH
Observe safety procedures
as for 6.1!
At high water temperatures
and system pressures,
close isolating valves at
both pump ports. First,
allow pump to cool down.
8.2 Noise
– Cavitation due to insufficient inlet
pressure.
Remedy: Increase system pressure
within permissible limits.
If the fault cannot be located or
rectified, please contact your
nearest Wilo representative.
9. Spare Parts
State all name plate data when order-
ing spare parts.
14
Technical modifications reserved.