Vilter Manufacturing Compressor Unit VSS160

Notify VilterTM prior to performing a compressor replacement

Shut down and isolate the compressor unit

Disconnect all cables from sensors on compressor and actuators

Remove bolts securing C-flange to compressor

Ensure adequate ventilation and refrigerant vapor detectors are in place as per ASHRAE standards.

Wear rubber gloves and a face shield to avoid skin contact with condensate or oil.

Use appropriate lifting devices and ensure they are capable of lifting the weight of the component.

Install lifting eyes on oil separator manhole cover, if required.

Secure appropriate lifting device to oil separator manhole cover.

Remove all bolts except top four bolts securing oil separator manhole cover to oil separator vessel.

Ensure adequate ventilation and refrigerant vapor detectors are in place as per ASHRAE standards.

Wear rubber gloves and a face shield to avoid skin contact with oil.

Shut down the compressor unit as per the Stopping/Restarting procedure in Section 4.

Isolate the compressor unit as per the Compressor Unit Isolation procedure.

Drain Oil From Isolated Oil Line

Close oil supply valve and oil filter outlet valve.

Remove plug from drain valve on oil pump strainer.

Check all pressure and temperature readings

Check micronic oil filter inlet and outlet pressures for excessive pressure drop

Is the pressure drop across the micronic oil filter greater than 45 psi?

Clean strainers each time filter cartridge is replaced

Check compressor sound for abnormal noises

Check shaft seals for excessive oil leakage

Is the oil leakage from shaft seals within the normal range (6 to 15 drops per hour)?

Ensure all required parts are available

Select heater cartridge type for removal

Remove heater cartridge from thermowell

Heater Cartridges with Turck connectors