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Maintenance
Note: Use an operating log (such as the one at the end of this manual) to
record a weekly operating conditions history for the unit. A complete operat-
ing log is a valuable diagnostic tool for service personnel.
WARNING
Hazardous Service Procedures!
The maintenance and troubleshooting procedures recommended in
this section of the manual could result in exposure to electrical,
mechanical or other potential safety hazards. Always refer to the safety
warnings provided throughout this manual concerning these
procedures. When possible, disconnect all electrical power including
remote disconnects before servicing. Follow proper lockout/tagout
procedures to ensure the power can not be inadvertently energized.
When necessary to work with live electrical components, have a
qualified licensed electrician or other individual who has been trained
in handling live electrical components perform these tasks. Failure to
follow all of the recommended safety warnings provided, could result
in death or serious injury.
Refer to unit schematics to check the number of disconnects required to de-
energize the unit.
Monthly Maintenance
[ ] Perform all weekly maintenance procedures.
[ ] Measure and record system superheat.
[ ] Measure and record system subcooling.
[ ] Open the unit circuit breaker; then manually rotate the outdoor fans to
ensure proper orifice clearance.
[ ] Inspect the fan mounting bolts for tightness.
[ ] Check fan set screws for tightness.
Annual Maintenance
[ ] Perform all weekly and monthly maintenance procedures.
[ ] Have a qualified service technician check the setting and function of each
control and inspect the condition of all contactors and replace as necessary.
[ ] If the chiller is not piped to drain facilities, make sure the drain is clear to
carry away system water.
[ ] Drain water from evaporator pump and associated piping systems.
Inspect all piping components for leakage. damage, etc. Clean out any in-
Iine water strainers.
CSRA-SVX01A-EN
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