Trane CenTraVac™ Water-Cooled Chiller CVHG - 670-780 - 621 - 142M / 142L

Shut down the chiller once each year to check the items of Optional Accessories

If applicable, lubricate factory-installed gantries

After the first month of operation, inspect Heresite® or Belzona® coated waterboxes; thereafter, inspect as needed

Inspect and lubricate hinged waterboxes

With water flow sensing option, bleed tubing from waterboxes to transformers

Sign off on the yearly optional accessories maintenance

Compare the readings with the values provided in the general maintenance

Check the oil level in the chiller oil sump using the two sight glasses provided in the oil sump head. When the unit is operating, the oil level should be visible in the lower sight glass

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

Check chiller for normal operation

Normal pressure readings for ASME condenser

Approximate Evaporator Pressure

Approximate Condenser: Pressure(a) , (b)

Oil Sump Temperature Unit not running

Oil Sump Temperature Unit running

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

1. Inspect for fouling and scaling in tubes

2. Check operation of condenser water flow sensing device

3. Factory recommendation to eddy current test tubes every three years;