29
10-5. HOW TO CHECK THE PARTS
1
1
2
2
3
3
Red
White
Black
Relay connector
Protector
1
3
Gray
Gray
Orange
Red
Pink
Yellow Brown Blue
M
Pink
Orange
Red
Yellow
Blue
M
OFF : 130
$
5
ON :
80
$
20
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10
~30
)
(Refer to the next pege for a detail.)
Room temperature
thermistor (TH1)
Pipe temperature
thermistor (TH2)
Condenser/evaporator
temperature thermistor
(TH5)
Normal
4.3k
~9.6k
Abnormal
Open or short
Measure the resistance between the terminals using a tester.
(Winding temperature 20
)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
Drain-up
mechanism (Option)
Fan motor
Abnormal
Open or short
Normal
195
160
Measure the resistance between the terminals with a tester.
Contactor
(Only PCH)
Abnormal
Open or short
6
1
88H
Normal
50~140
Abnormal
Open or short
Red–Black
White–Black
Motor terminal
or
Relay connector
50GA
70.6
69.6
45.0
44.8
100
43.7
55.3
125, 140
20.4
20.7
Normal
Open or short
Abnormal
Brown–Yellow
Brown–Blue
Red–Orange
Red–Pink
Connector
50GA
186~214
50GA2, 60, 71
140~160
Normal
Open or short
Abnormal
Red–Yellow
Red–Blue
Red–Orange
Red–Pink
Connector
100, 125, 140
140~160
Normal
Vane motor
Measure the resistance of each heater element with a tester.
(At the ambient temperature 20
)
Heater
(Only PCH)
Normal
Abnormal
50
13.7
0.467kW 80V
60, 71
9.1
0.7kW 80V
100
7.1
0.9kW 80V
125,140
6.4
1.0kW 80V
Open or short
50GA2
60, 71
PCA-RP50/60/71/100/125/140GA
PCA-RP50/60/71/100/125/140GA#1
PCA-RP50GA2 PCA-RP50GA2#1
PCH-P50/60/71/100/125/140GAH
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