Preventive Maintenance Checklist - Vertiv Liebert CW Series Installer And User Manual

11 PREVENTIVE MAINTENANCE CHECKLIST

Source: DPN002952, Rev. 4
Inspection Date
Indoor Unit Model #
Room Temperature/Humidity
Not all units will have all components. To determine your unit's configuration, compare the
the information in the Components and Nomenclature section.
Good maintenance practices are essential to minimizing operation cost and maximizing product life. Read and follow all
applicable maintenance checks listed below. At a minimum, these checks should be performed semi-annually. However,
maintenance intervals may need to be more frequent based on site-specific conditions. Review the unit user manual for
further information on unit operation. We recommend the use of trained and authorized service personnel, extended service
contracts, and factory-certified replacement parts. Contact your local sales representative for more details.
Check all that apply:
Evaporator/Filters
1. Check/Replace filters
2. Grille area unrestricted
3. Wipe section clean
4. Coil clean
5. Clean condensate pan
6. Clean trap in condensate drain
7. Check/Test filter-clog switch operation (if equipped)
Blower Section (EC fan)
1. Mounting bolts tight
2. Fan-guard bolts tight
3. Impeller spins freely
4. Check/Test air sail switch (if equipped)
5. Motor amp draw
• Compare to nameplate amps
#1
#2
#3
11 Preventive Maintenance Checklist
° %
L1
L1
L1
Job Name
Indoor Unit Serial Number #
Ambient Temperature
L2 L3
L2 L3
L2 L3
Indoor Unit Model # above and
°
103