Trane CenTraVac™ Water-Cooled Chiller CVHG - 670-780 - 621 - 080S / 080S

- Shut down the chiller once each year to check the items

4. Inspect motor terminal board

5. Check inlet guide vanes (IGV) for abnormalities;

Is the evaporator part of a closed circuit?

If the evaporator is part of a closed circuit, it may not accumulate appreciable amounts of scale or sludge.

Is cleaning every three years sufficient?

However, periodic inspection and cleaning is recommended on open evaporator systems, such as air washers.

Sign off on the evaporator maintenance

Clean and touch-up painted surfaces as needed

Repair deteriorated, torn, or missing insulation

Sign off on the yearly exterior parts maintenance

Lubricate the vane control linkage bearings, ball joints, and pivot points

Lubricate vane operator tang O- rings

Lubricate the oil filter shutoff valve O-rings

Sign off on the chiller lubrication

Test appropriate sensors for accuracy

Ensure sensors are properly seated in wells with thermopaste installed

Check evaporator leaving water temperature low temperature cutout setpoint

Condenser high pressure switch check-out

Check adjustment and operation of the inlet guide vane actuator

Sign off on the control circuits inspection