Wilo Pump TOP-S80/15

Check that the pump is installed and connected correctly

Ensure the sealing screw and flat gasket are in place

Verify that the pump rotor compartment is vented automatically

Confirm that dry running for short periods is acceptable

Ensure the motor head, differential pressure screw, and flange connection are not removed for venting

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

Ensure all poles of the power supply are disconnected before working on the pump

Wait 5 minutes before commencing work on the module for 1~ systems to allow hazardous voltages to dissipate

Verify that all connections, including potential-free contacts, are voltage-free

Is the module/terminal box undamaged?

Does the current type and voltage of the mains connection correspond to the specifications on the rating plate?

Ensure the electrical connection is established via a fixed connection line with a connector device or an all-pole switch with a contact opening width of at least 3 mm

7.1 Installation / 7.1.3 Insulation

Verify the following conditions for outdoor installations and cooling/air-conditioning systems

Check that condensate drain openings are clear and unobstructed

Verify that insulation has not been applied beyond the motor separation joint

9.1 Dismantling/installation of the motor

Read the chapters 'Dismantling/installation of the motor' and 'Decommissioning' before maintenance

Comply with safety instructions in chapters 2.6, 7, and 8

Close existing check valves on both sides of the pump

Allow the pump to cool to room temperature

Drain the isolated branch of the system

Drain the entire system if no check valves are fitted

Observe manufacturer's information and safety data sheets on possible additives