Preventive Maintenance Checklist - Liebert PX018 Installer's/User's Manual

10 PREVENTIVE MAINTENANCE CHECKLIST

Source: DPN002952, Rev. 2
Inspection Date
Indoor Unit Model #
Condenser/Drycooler Model #
Room Temperature/Humidity
Not all units will have all components. To determine your unit's configuration, compare the
Model # above above and 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 L1
Reheat
1. Inspect elements
2. Check wire connections (inside reheat box)
3. Reheat amp draw
L1
Vertiv | Liebert® PDX™ and PCW™ Installer/User Guide |
° %
L1
L1
L2
Job Name
Indoor Unit Serial Number #
Condenser/Drycooler Serial #
Ambient Temperature
L2 L3
L2 L3
L2 L3
L3
°
Indoor Unit
91