Vertiv Liebert CRV - Page 135

COMPONENT
MAINTENANCE PERIOD
MONTHLY BY
USER
EVERY
3MONTHS
EVERY
6MONTHS
ANNUALLY
General
Check unit display for clogged-filter
warning
X
Check for irregular noise from unit fans X
Check for irregular noise from compressor
(if applicable)
X
Check for irregular noise from remote
condenser fan(s) (if applicable)
X
Filters
Check state of filters X
Replace air filter if necessary X
Check filter switch functionality X
Blowers
Verify impellers move freely X
Check bearings X
Check motor mounts for tightness X
Check fan safety switch X
Electrical/Electronics
Check condition of contacts X
Check electrical connections X
Check operation of controller X
Check unit operation sequence X
Steam-Generating
Humidifier
Check cylinder and pan X
Check condition of steam hoses X
Verify filling solenoid valve is operating
properly
X
Cooling Water Circuit
(Water/Glycol and Chilled
Water Units)
Check circuit for leakage/general
condition
X
Check water (glycol) inlet temperature X
Check water regulating valve operation X
Check in/out water (glycol) Dt X
Check mixture glycol level (if applicable) X
Table 13.1 Maintenance schedule
Vertiv | Liebert CRV Installer/User Guide | 135