WITA ADELINO AP-Serie Installation Und Betriebsanleitung Seite 37

6.4 When the ambient temperature is lower than 4°C, please
completely drain the water accumulated in the pump chamber
to avoid frost-cracking the pump body. Before starting the
Notice
electric pump again, inspect whether the pump spindle can
rotate normally and then fill the pump chamber with water.
6.5 If the electric pump will not be used for a long time, please
disassemble the piping, drain the water accumulated in the
pump, clean the main parts and components, carry out rust-
proof treatment, and keep it properly at a dry and well-ventilated
place.
6.6 Air tight test: after the pump is disassembled for the repair
or replacement of any seal, the bearers and the complete pump
shall go through water (or air) pressure tests based on the
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maximum operating pressure for at least 3 minutes and there
shall be no phenomenon of leakage or sweating.
6.7 Please check whether the pressure tank is filled with air
every three months. If there is not enough air inside, you need
to refill air into the pressure tank as per the pressure marked on
the tag of the pressure tank.
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