24
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 50
°
F~86
°
F)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68
°
F)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68
°
F)
FAN MOTOR(MF,1,2,3,4)
4-WAY VALVE
SOLENOID COIL
(21S4)
OUTDOOR COIL
THERMISTOR (RT)
Normal
4.3k
"
~9.6k
"
Abnormal
Open or short
Normal
PUH18
PUH24
PUH30,36 PUH42
Motor terminal
or
Relay connector
Abnormal
77.3
"
134.6
"
100.2
"
83.8
"
73.9
"
118.7
"
61.5
"
79.8
"
Open or short
Normal
PUH18,36,42
PUH24,30
Abnormal
1440
"
1190
"
Open or short
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68
°
F)
BYPASS VALVE
SOLENOID COIL
(21R)
Normal
PUH18,24
PUH30,36,42
Abnormal
1500
"
1197
"
Open or short
Measure the resistance between the terminals using a tester.
CRANKCASE
HEATER (HC)
Normal
PUH18
PUH24,30,36,42
Abnormal
1920
"
1340
"
Open or short
White — Blue
Blue — Red (Brown)
[PUH30,36,42]
Protector
[PUH18,24]
Red(Brown)
Blue
White
Orange(Yellow)
Red(Brown)
Blue
White
Orange(Yellow)
Protector
Protector
OPEN :
275
±
9˚F
CLOSE : 187
±
27˚F
5. HOW TO CHECK THE PARTS
PUH18EK PUH24EK PUH30EK PUH36EK PUH42EK PUH42EK7
PUH24EK
1
PUH30EK
1
PUH36EK
1
PUH42EK
1
PUH42EK7
1
PUH30EK
2
PUH36EK
2
OC245-C--1.qxp 02.12.19 9:58 AM Page 24
