Mitsubishi Electric PUHZ-ZRP35VKA2 Service Manual page 53

10-6. HOW TO CHECK THE PARTS
PUHZ-ZRP35VKA2
PUHZ-ZRP35VKA2-ER PUHZ-ZRP50VKA2-ER PUHZ-ZRP60VHA2-ER PUHZ-ZRP71VHA2-ER
PUHZ-ZRP35VKA2-ET PUHZ-ZRP50VKA2-ET
Parts name
Disconnect the connector then measure the resistance with a tester.
Thermistor (TH3)
(At the ambient temperature 10 to 30°C)
<Outdoor pipe>
Thermistor (TH4)
<Discharge>
TH4, TH33
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heatsink>
Thermistor (TH33)
<Comp. surface>
Fan motor(MF1,MF2) Refer to the next page.
Solenoid valve coil Measure the resistance between the terminals with a tester.
(At the ambient temperature 20°C)
<4-way valve>
(21S4)
Measure the resistance between the terminals with a tester.
Motor for compressor
(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
Blue
2
Orange
3
Yellow
4
White
5
OCH635A
PUHZ-ZRP50VKA2
Normal
160 to 410 k"
TH3
TH6 4.3 to 9.6 k"
TH7
TH33
TH8 39 to 105 k"
ZRP35-71
2350±170 "
Refer to "5-2. COMPRESSOR TECHNICAL DATA".
Red - White Red - Orange
PUHZ-ZRP60VHA2
PUHZ-ZRP60VHA2-ET
Check points
Abnormal
Open or short
Normal
ZRP100-140
1435±150 "
Normal
Normal
Red - Yellow
Red - Blue
46±4 "
53
PUHZ-ZRP71VHA2
PUHZ-ZRP71VHA2-ET
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short