12 PREVENTIVE MAINTENANCE CHECKLIST
Source: DPN003119, Rev. 0
MC Preventive Maintenance Worksheet
Inspection Date _________ Job Name _________
Indoor Unit Model # _________ Indoor Unit Serial Number # _________
Condenser/Drycooler Model # _________ Condenser/Drycooler Serial # _________
Room Temperature/Humidity °___ %___ Ambient Temperature °________
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. Vertiv™
recommends the use of trained and authorized service personnel, extended service contracts, and
factory-certified replacement parts. Contact your local Vertiv™ Representative for more details.
Check all that apply:
Air-Cooled Fin-and-Tube Condenser/Drycooler (if equipped)
______ 1. Coil clean free of debris
______ 2. Motor mounts tight
______ 3. Piping support/clamps secure
______ 4. Check/Re-torque wire connections
______ 5. Check contactors for pitting (replace if pitted)
______ 6. Check fuses
______ 7. Verify fan operation
______ 8. Check surge-protection device status-indicator lights (if equipped)
______ 9. Ambient thermostat settings ________________________
______ 10. Refrigerant level (Lee-Temp™ )
______ 11. Glycol level
______ 12. Glycol solution ----__________________%
______ 13. Water/Glycol solution flowing continuously/clean and free of debris
______ 14. Water-treatment plan established and followed for open cooling-tower application
______ 15. Check refrigerant/glycol lines for signs of leaks/repair as found
______ 16. Motor amp draw
#1 L1 ____________________________ L2 ____________________________ L3 ____________________________
#2 L1 ____________________________ L2 ____________________________ L3 ____________________________
#3 L1 ____________________________ L2 ____________________________ L3 ____________________________
Vertiv | Liebert® MC™ Installer/User Guide | 123
To Next Page
Loading...
