MAINTENANCE
85
English
Periodic maintenance
For proper operation, check and record the following list periodically. Recommended values are normal operation
range. Operation time is 3650 hours/year.
f
Common items
Name
Periodic maintenance
Preventive maintenance
Checklist
Check standard
Check
period
Preventive
description
Preventive
period
Compressor
Insulation
resistance
Over 1 MΩ
Every
year
Exchange
20,000 hours
Operating
current
Within standard value
Every
month
Fan
Exterior
No crack and noise
Every
year
Exchange
10 years
Fan motor
Insulation
resistance
Over 1 MΩ
Every
year
Exchange
20,000 hours
Operating
current
Within standard value
Every
month
Air side heat
exchanger
Exterior
Not blocked
Every
year
Exchange or
repair
5 years
Water side heat
exchanger
Water
maintenance
standard
Within standard value (Refer to page
68.)
Every
year
Chemical
cleaning, etc.
5 years
Electronic
expansion valve
Check
operation
No malfunction and deformation
Every
year
Exchange
20,000 hours
High pressure
switch
Check
operation
Operate in set value
Every
year
Exchange
25,000 hours
Electronic valve
Insulation
Over 1 MΩ
Every
year
Exchange
20,000 hours
Check
operation
No malfunction
Every
month
Electric switch
Visual check
No malfunction and deformation
Every
year
Exchange
25,000 hours
PCB
Visual check
No dust
Every
year
Cleaning
25,000 hours
Check
operation
No malfunction
Exchange
No loosen terminal
Fastening
Inverter
Visual check
No expansion, discoloration, and
leakage of condenser
Every
year
Exchange
25,000 hours
Thermistor
Resistance
value
Should be rated resistance value
Every
year
Exchange or
repair
5 years
Visual check
No deformation
Summary of Contents for AG042KSVANH
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