Appendix C - Maintenance Summary And Log Sheets - Carrier AquaEdge 19DV Series Start-Up, Operation And Maintenance Instructions Manual

APPENDIX C — MAINTENANCE SUMMARY AND LOG SHEETS
COMPRESSOR None
EVAPORATOR None.
CONDENSER None.
COMPRESSOR None.
COMPRESSOR Change lubrication assembly refrigerant and bearing
filters. Leak test. Vibration trending.
Inspect and clean evaporator tubes. Confirm there is
no foreign debris in the tubes or waterboxes from the
water system. Inspect all pressure relief devices. Leak
EVAPORATOR test. Verify water pressure differential. Inspect water
pumps. Send refrigerant sample out for analysis.
Replace liquid strainer in inhibitor reclaim line (closes
to evaporator inlet).
Inspect and clean condenser tubes. Leak test. Verify
CONDENSER water pressure differential. Inspect water pumps and
cooling tower.
LUBRICATION
Replace both refrigerant filter and bearing filter.
ASSEMBLY
COMPRESSOR None.
EVAPORATOR Perform eddy current test.
Inspect float valves and strainers. Perform eddy cur-
CONDENSER
rent test.
Replace gas strainer prior to eductor (or when refrig-
COMPRESSOR
erant is removed).
EVAPORATOR None.
CONDENSER None.
LUBRICATION
Replace lubrication assembly suction strainers (or when refrigerant is removed).
ASSEMBLY
COMPRESSOR None.
Isolate and drain waterbox. Remove waterbox cover
EVAPORATOR
from one end. Use compressed air to clear tubes.
Isolate and drain waterbox. Remove waterbox cover
CONDENSER
from one end. Use compressed air to clear tubes.
NOTE: Equipment failures caused by lack of adherence to the Mainte-
nance Interval Requirements are not covered under warranty.
19DV MAINTENANCE INTERVAL REQUIREMENTS
WEEKLY
MONTHLY
ANNUALLY
EVERY 3 TO 5 YEARS
EVERY 5 YEARS
SEASONAL SHUTDOWN
CONTROLS Review PIC6 Alarm/Alert History.
VFD None.
OIL RECLAIM None.
CONTROLS Review and record purge operating time.
Perform general cleaning. Tighten connections. Check
CONTROLS
pressure transducers. Confirm accuracy of thermistors.
Perform general cleaning. Tighten connections. Change
refrigerant/motor filter feeding VFD devices. Perform
visual inspection of the capacitors located on the DC bus
VFD
and inductors. Check cooling fan operation. Check con-
densate drain for the VFD enclosure. Change VFD
strainer.
Record total purge Pumpout Numbers and Pumpout
Time. If excessive then leak test and correct. Inspect
PURGE
moisture sight glasses in line to bearings and VFD.
Replace purge strainer in drain line.
CONTROLS None.
VFD None.
PURGE None.
CONTROLS None.
VFD None.
PURGE
CONTROLS Do not disconnect control power.
VFD None.
PURGE Purge operation is required to remove non-condensables.
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