Mitsubishi Electric PUMY-P36NKMU3 Technical & Service Manual page 104

8-7. HOW TO CHECK THE PARTS
PUMY-P36NKMU3
PUMY-P36NKMU3-BS
PUMY-HP36NKMU1
Parts name
Thermistor (TH2)
Disconnect the connector then measure the resistance with a tester.
<Hic pipe>
(At the ambient temperature 50 to 80°F [10 to 30:]
Thermistor (TH3)
<Outdoor liquid pipe>
Thermistor (TH4)
<Compressor>
Thermistor (TH6)
<Suction pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Fan motor (MF1, MF2)
Measure the resistance between the connector pins with a tester.
(At the ambient temperature 68°F [20℃])
Red
1
2
3
M
Blue
4
Brown
5
Orange
Red - Blue
6
White
7
1.1 ± 0.05 M"
Solenoid valve coil Measure the resistance between the terminals with a tester.
(At the ambient temperature 68°F [20℃])
<4-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 68°F [20℃])
(MC)
U
V
W
Solenoid valve coil
Measure the resistance between the terminals with a tester.
(At the ambient temperature 68°F [20℃])
<Bypass valve>
(SV1)
<Switching valve>
(SV2)* 2
*2 Only HP36, HP48 model.
Linear expansion Valve
(LEV A)
Gray
M 1
Gray - Black
Orange
2
Red
3
Yellow
4
Black
5
Linear expansion Valve
(LEV B)
Red - White
Red
M M
1
Blue
2
Orange
3
Yellow
4
White 5
OCH733
PUMY-P48NKMU3
PUMY-P48NKMU3-BS
PUMY-HP48NKMU1
Normal
TH4
160 to 410 k"
TH2
TH3
4.3 to 9.6 k"
TH6
TH7
TH8
39 to 105 k"
Normal
Brown - Blue
40 ± 4 k"
Normal
1567.5 ± 156.8 "
Normal
0.305 ± 0.015 "
Normal
1197 ± 10 "
Normal
Gray - Red
46 ± 3 "
Normal
Red - Orange
46 ± 4 "
PUMY-P60NKMU3
PUMY-P60NKMU3-BS
Check points
Abnormal
Open or short
Orange - Blue
White - Blue
220 ± 22 k" Open
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Gray - Yellow Gray - Orange
Red - Yellow Red - Blue
104
Abnormal
Open or short
(Short, for White - Blue)
Abnormal
Open or short
Abnormal
Open or short