143
CHAPTER VII MAINTENANCE AND SERVICING OF
AIR-CONDITIONING SYSTEM
No.
Item
Content
1
Evaporator
Whether air blower operates with abnormal noise
Whether air inlet & outlet are smooth
Whether water drainage is smooth
2
Compress
or
Whether fastening bolts loosen
Whether the tightness of the belt is appropriate
Whether the clutch pulls in properly
Whether dust and filth is too much
3
Condenser
Whether the surface of core body is affected by filth blockage and
needs periodical cleaning
Whether electronic fan works properly
4
Pipeline
Whether connections loosen or leak(oil stain at leaks)
Whether flexible hose is damaged
5
Switch
Whether gears work properly without loosening
6
Electric
connector
Whether any electric connector loosens or is damaged
7
Temperatu
re
controller
Whether the device works properly and whether indicator lamp is
lit up properly
8
System
Whether all parts work properly without abnormal noise