Emerson CR035 - Appendix 5 Maintenance Table (Monthly)

Appendix 5 Maintenance Table (Monthly) 61
Liebert.CRV+ Series Air Cooled Precision Air Conditioner User Manual
Appendix 5 Maintenance Table (Monthly)
Inspection date: ___________________ Prepared by: ___________________
Unit model: ___________________ Unit SN: ___________________
Filters:
___ 1. Check for clogging or damage
___ 2. Check the filter clogging switch
___ 3. Clean the filter
Fan
___ 1. Fan blades are not distorted
___ 2. The bearings are not worn out
Compressor
___ 1. Check for leakage
___ 2. Listen to the operation sound, observe the operation vibration
Air-cooled condenser (if used)
___ 1. Check the fins cleanness
___ 2. The fan base should be firm
___ 3. The fan vibration absorber is not deteriorated or damaged
___ 4. The SPD board should be effective (in the storming seasons, the SPD board should be check once a week)
___ 5. The refrigerant pipes are properly supported
Refrigeration cycling system
___ 1. Check the suction pressure
___ 2. Check the discharge pressure
___ 3. Check the refrigerant pipes
___ 4. Check the moisture content (through the sight glass)
___ 5. Check the electronic expansion valve
Heating system
___ 1. Check the re-heater operation
___ 2. Check the erosion situation of the components
Signature: _________________________________________________________
Note: copy this table for filing.