Trane Technologies CenTraVac CVHE - Appendix D: CenTraVac Chiller Annual Inspection List; Compressor;Motor Annual Inspection; Starter or Adaptive Frequency Drive Annual Inspection; Oil System Annual Inspection

104
CVHE-SVX005B-EN
Appendix D: CenTraVac™™ Chiller Annual Inspection List
Follow the annual maintenance instructions provided
in the text of this manual, including but not limited to:
1. CCoommpprreessssoorr//MMoottoorr
☐ Motor continuity.
☐ Motor meg test.
☐ Check motor terminals.
☐ Inspect motor terminal board.
☐ Check inlet guide vanes (IGV) for abnormalities.
2. SSttaarrtteerr oorr AAddaappttiivvee FFrreeqquueennccyy™™ DDrriivvee
☐ Inspect starter contacts.
☐ Check all connections per manufacturer
specifications.
☐ Follow all manufacturer recommendations for
starter or Adaptive Frequency™ Drive (AFD)
maintenance.
☐ Inspect/clean/service the AFD cooling system
(water- or air-cooled AFD).
☐ Record all applicable starter or starter
component settings.
3. OOiill SSyysstteemm
☐ Annual oil analysis (follow recommendations).
☐ Clean and lubricate oil system as required.
☐ Electrical inspection.
☐ Pump motor continuity check.
☐ Run oil pump and check differential oil pressure.
4. CCoonnddeennsseerr
☐ Inspect for fouling and scaling in tubes.
☐ Check operation of condenser water flow
sensing device.
☐ Factory recommendation to eddy current test
tubes every three years.
5. EEvvaappoorraattoorr
☐ Inspect for fouling and scaling in tubes.
☐ Check operation of evaporator water flow
sensing device.
☐ Factory recommendation to eddy current test
tubes every three years.
6. HHeeaatt RReeccoovveerryy
☐ Inspect for fouling and scaling in tubes.
☐ Check operation of heat recovery water flow
sensing device.
☐ Factory recommendation to eddy current test
tubes every three years.
7. CCoonnttrrooll CCiirrccuuiittss
☐ Verify control parameters.
☐ 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.
8. LLeeaakk TTeesstt CChhiilllleerr
☐ Check purge times and unit performance logs. If
warranted, pressure leak test.
☐ Review oil analysis. If required, submit
refrigerant sample for analysis.
☐ Inspect unit for any signs of refrigerant or oil
leakage.
☐ Check unit for any loose screws on flange,
volutes, or casing.
9. PPuurrggee UUnniitt
☐ Review the purge Installation, Operation, and
Maintenance manual and follow maintenance
and/or inspection items identified.
☐ Review purge pump-out data.
☐ Review overall operation of purge and service
as necessary.
10. EExxtteerriioorr
☐ Inlet guide vane linkage.
☐ Clean and touch-up painted surfaces as needed.
☐ Repair deteriorated, torn, or missing insulation.
11. OOppttiioonnaall AAcccceessssoorriieess
☐ If applicable, lubricate factory-installed gantries.
☐ After the first month of operation, inspect
Heresite® or Belzona® coated waterboxes;
thereafter, inspect as needed.
☐ Inspect anodes.
☐ Inspect and lubricate hinged waterboxes.
☐ With water flow sensing option, bleed tubing
from waterboxes to transformers.