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No.
Inspection item
8
Dryer replacement
Function inspection and
9
replacement of liquid
moisture indicator
Conditions of fasteners
10
on the refrigerant pipes
and gauge pipes
Condition of thermal
11
insulation of refrigerant pipe
Evaporator coil cleaning
12
(BY water)
13
Condenser coil cleaning
Water-cooled condenser
14
inspection
Damage of power cable
1
and plug
Inspection of conditions of
2
internal wiring
Terminal looseness
3
inspection and retightening 2) Electronic controller terminal block
if necessary
Condition of monitoring
4
receptacle cap
Conditions of personal
5
computer receptacle cap
6
Fuse conditions
Magnetic switch contact
7
point inspection and
replacement
8
Electric insulation check
9
Starting procedure inspection
10
Thermosensor
11
Humidity sensor
PT/CT (voltage and current)
12
indication error inspection
Pressure sensor indication
13
error inspection
Inspection content
1) Water-cleaning
2) Steam-cleaning (after pumping
down the refrigerant)
1) Water-leakage inspection
2) Operation of water pressure switch
1) Magnetic switch
3) Terminal block
Burned out or not
1) Contact point inspection
2) Replace the contact on
compressor contactor
3) Replace the contact on
compressor fan motor
4) Replace the contact on
evaporator fan motor
1) Power cable and plug
2) Compressor
3) Condenser fan motor
4) Evaporator fan motor
1) Installation conditions of sensor
2) Inspection of sensor and sensor
lead for damage
3) Indication error inspection and
replacement
Replacement
3-52
PTI
2
year 4
year 8
nd
th
th
year
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Troubleshooting
