WITA ADELINO ACm B-Serie Installation Und Betriebsanleitung Seite 36

9. With the valve closed at the outlet, the Electric Pump shall
not operate for over 5 minutes. Where the Electric Pump
operates with no water flow change inside the pump body,
resulting in the rise of the temperature and the pressure of the
liquid in the pump body, leakage may be caused or the pump or
OFF
pipeline may be damaged
10. The packing materials removed after installation and use
shall be disposed in accordance with the concerned local law.
Foam
8. Maintance
1. Regularly inspect the insulation resistance between the
enclosure and the winding of the Electric Pump, which shall
be no less than 5MΩ when the operating temperature is
nearly achieved, or otherwise usage shall not be allowed
until the corresponding measures are taken and the relevant
requirements are met.
2. Prior to any repair or maintenance operation, please cut
Warning
off the power supply and make sure that the motor will not be
powered on for operation due to a casual operation.
3. After the 2000-hour normal usage of the
Electric Pump, the Electric Pump shall be
delivered to a qualified repair station for
maintenance and repair as per the steps
Bearing
below: dismantle the pump and inspect
Impeller
Mechanical seal
various quick-wear parts such as the
bearing, mechanical seal, impeller, and
bottom valve. Please immediately replace
those damaged ones
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 rotates
flexibly and fill the pump chamber with water.
5. In the Electric Pump has not been 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.
09