Wilo Pump TOP-S50/10

Verify installation and connection

Is the sealing screw including the flat gasket in place?

Prime and vent the unit correctly

Is the pump rotor compartment vented automatically after a short operating period?

Was the pump run dry for a short period without harm?

Ensure motor head, differential pressure screw, and flange connection/threaded pipe union are not removed for venting

Check for leaks after installation

Periodically verify that all connections remain leak-free during operation

Describe any leakages of hazardous fluids and actions taken to remove them

Verify terminal box type and corresponding protection mechanism

Enter the maximum current setting from the rating plate

Does the thermal tripping setting correspond to the maximum current of the speed stage?

Is the Wilo tripping unit SK 602(N)/SK 622(N) present?

Is the thermal winding contact (WSK) connected to a motor protection system?

Describe any issues found during the check

7.1.3 Insulation of the pump in cooling/air-conditioning systems

Verify that the two half-shells of the thermal insulation are correctly fitted

Check that the guide pins are engaged in the opposite holes

For cooling/air-conditioning systems, verify that commercially-available diffusion-proof thermal insulation materials are used instead of the supplied shells

Close the check valve on the pressure side

Protect electrical parts from any escaping water

Carefully open the venting screw using a suitable tool

Carefully push back the motor shaft with a screwdriver several times

Wait for 15 to 30 seconds before screwing the venting screw back in

Screw the venting screw back in