How To Check The Parts - Mitsubishi Electric Mr.Slim PUHZ-ZRP35VKA Service Manual

10-6. HOW TO CHECK THE PARTS

PUHZ-ZRP35/50VKA
PUHZ-ZRP60/71VHA
PUHZ-ZRP100/125/140VKA
PUHZ-ZRP100/125/140YKA
Parts name
Thermistor (TH3)
<Outdoor pipe>
Disconnect the connector then measure the resistance with a tester.
Thermistor (TH4)
(At the ambient temperature 10°C~30°C)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heatsink>
Thermistor (TH32)
<Comp. surface>
Thermistor (TH33)
<Outdoor pipe>
Fan motor(MF1,MF2) Refer to next page.
Solenoid valve coil Measure the resistance between the terminals with a tester.
(At the ambient temperature 20°C)
<Four-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 20°C)
(MC) U
V
W
Linear expansion valve
Disconnect the connector then measure the resistance with a tester.
(LEV-A/LEV-B) (Winding temperature 20°C)
For ZRP35-71
Red
M
1
2
Blue
3
Orange
4
Yellow
5
White 6
Linear expansion valve
Disconnect the connector then measure the resistance with a tester.
(LEV-A/LEV-B/LEV-C)
(Winding temperature 20°C)
For ZRP100-140
Gray
M
1
2
Orange
3
Red
4
Yellow
5
Black
6
OCH527
Normal
TH4, TH32 160k ~410k
TH3
TH6
4.3k ~9.6k
TH7
TH33
TH8 39k ~105k
ZRP35-71
2350±170
Red - White Red - Orange
Gray - Black Gray - Red
Check points
Abnormal
Open or short
Normal
ZRP100-140
1435±150
Normal
Refer to 5-2.
Normal
Red - Yellow
46±4
Normal
Gray - Yellow
46±3
62
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Red - Blue
Open or short
Abnormal
Gray - Orange
Open or short