Vertiv Liebert CRV4 Series User Manual

Vertiv | Liebert® CRV4 | User Manual 112
Appendix V: Routine Maintenance Inspection Items
(Semi-annually)
Date: _____________________________ Prepared by: _____________________________
Model: _____________________________ Serial Number: _____________________________
Routine Maintenance Inspection Item Checklist (Semi-annually)
Part Check Item Remark
Filter
Check for clogging or damage
Check the lter clog switch
Clean the lter
Fan
Check for fan blades are not distorted
Check, whether there is bearing worn out
Check and fasten the circuit connector
Compressor
Check for leakage
Listen to the operation sound, observe the operation vibration
Check and fasten the circuit connections
Air-cooled condenser
(if used)
Check the ns are clean
The fan base should be rmed
The fan vibration absorber is not deteriorated or damaged
The SPD board should be eective (in the storming seasons, the SPD
board should be check once a week)
Check the voltage regulating function of the rotation speed controller
The temperature switch is set at the required position
The refrigerant pipes are properly supported
Check and fasten the circuit connections
Check the suction pressure
Refrigeration cycle
system
Check the suction pressure and suction superheat degree
Check the discharge pressure and condensing sub-cooling degree
Check the refrigerant pipes
Check the thermal expansion valve
Check whether refrigerant needs to be added (through the sight glass)

Vertiv Liebert CRV4 Series Specifications

General

Brand	Vertiv
Model	Liebert CRV4 Series
Category	Air Conditioner
Language	English