Mitsubishi Electric Mr.SLIM PUH-P1VGAA Technical & Service Manual page 45

11-3. HOW TO CHECK THE PARTS
PUH-P1, P1.6, P2, P2.5, P3, P4VGAA.UK
PUH-P1, P1.6, P2, P2.5, P3, P4VGAA
PU-P1.6, P2, P2.5, P3, P4VGAA.UK
PU-P1.6, P2, P2.5, P3, P4VGAA
Parts name
Liquid temperature
Disconnect the connector then measure the resistance using a tester. (Surrounding temperature 10:~30:)
thermistor (TH3)
Discharge temperature
thermistor (TH4)
Condenser/evaporator
temperature thermistor
(TH6)
FAN MOTOR(MF)
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20C°)
Black
Orange
Red
White
Protector
OPEN :130i5:
CLOSE :88i15:
Linear expansion valve
Disconnect the connector then measure the resistance using a tester. (Surrounding temperature 20:)
(LEV)
4 Blue
Brown
M
6
Yellow
2
5
1
3
Red
White
Orange
4-WAY VALVE
Measure the resistance between the terminals using a tester.
SOLENOID COIL (Surrounding temperature 20C°)
(21S4)
BYPASS VALVE Measure the resistance between the terminals using a tester.
SOLENOID COIL (Surrounding temperature 20°)
(21R)
Only PUH-P5, P6
CRANKCASE Measure the resistance between the terminals using a tester.
HEATER (HC)
.UK PUH-P1.6, P2, P2.5, P3, P4, P5, P6YGAA
1
.UK
1
Normal
4.3k"~9.6k"
TH3
160k"~410k"
TH4
4.3k"~9.6k"
TH6
Normal
Motor lead wire
57.4" ±10%
White — Black
99.7" ±10%
White — Red
(1) - (5) (2) - (6)
White - Red Yellow - Brown
150" ±10%
Normal
1430"
Normal
P5, P6
1970"
Normal
P1, P1.6 P2~P6
1920" ±7% 1516" ±7%
PUH-P1.6, P2, P2.5, P3, P4, P5, P6YGAA.UK
PUH-P5, P6YGAA
PU-P1.6, P2, P2.5, P3, P4, P5, P6YGAA.UK
PU-P1.6, P2, P2.5, P3, P4, P5, P6YGAA
PU-P5, P6YGAA
Check points
Abnormal
Open or short
Abnormal
Open or short
Normal
(3) - (5) (4) - (6)
Orange - Red Blue - Brown
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
45
.UK
2
.UK
2
(Refer to the next pege for a detail.)
Abnormal
Open or short
.UK
1
.UK
1