62
9-5. HOW TO CHECK THE PARTS
PCA-RP2GA
PCA-RP2.5GA
PCA-RP3GA
PCA-RP4GA
PCA-RP5GA
PCA-RP6GA
1
1
2
2
3
3
Red
White
Black
Relay connector
Protector
1
2
Gray
Gray
4
5
2
3 6 1
Orange
Red
Pink
Yellow Brown Blue
M
4
2
5
3
1
Pink
Orange
Red
Yellow
Blue
M
OFF : 130
i
5
:
ON : 80
i
20
:
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 10
:
~30
:
)
Refer to the next page for the details.
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 using a tester.
(Winding temperature 20
:
)
Drain-up
mechanism (Option)
Fan motor
Abnormal
Open or short
Normal
195
"
Abnormal
Open or short
Red–Black
White–Black
Motor terminal
or
Relay connector
RP2
70.6
"
69.6
"
RP2.5, RP3
45.0
"
44.8
"
RP4
43.7
"
55.3
"
RP5, RP6
20.4
"
20.7
"
Normal
Open or short
Abnormal
Brown–Yellow
Brown–Blue
Red–Orange
Red–Pink
Connector
RP2
186~214
"
RP2.5, RP3
140~160
"
Normal
Open or short
Abnormal
Brown–Yellow
Brown–Blue
Red–Orange
Red–Pink
Connector
RP4, RP5, RP6
140~160
"
Normal
Vane motor
OC311--3.qxp 04.5.31 1:05 PM Page 62
