Mitsubishi Electric PUHZ-ZRP100VKA3 Service Manual page 57

10-6. HOW TO CHECK THE PARTS
PUHZ-ZRP100VKA3.UK
PUHZ-ZRP100YKA3.UK
PUHZ-ZRP200YKA2.UK
Parts name
Disconnect the connector then measure the resistance with a tester.
Thermistor (TH3)
(At the ambient temperature 10 to 30°C)
<Liquid>
Thermistor (TH4)* 1
<Discharge>
Thermistor (TH6) TH4, TH32
<2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)* 2
<Heat sink>
Thermistor (TH32/TH33)* 3
<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)
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/LEV-C)
(Winding temperature 20°C)
For ZRP100–250
Gray
M
1
Orange
2
Red
3
Yellow
4
5
Black
* 1 ZRP100–140
* 2 ZRP100–250Y
* 3 TH33: for ZRP100–140
TH32: for ZRP200/250
OCH645
PUHZ-ZRP125VKA3.UK
PUHZ-ZRP125YKA3.UK
PUHZ-ZRP250YKA2.UK
Normal
160 to 410 k"
TH3
TH6
4.3 to 9.6 k"
TH7
TH33
TH8 39 to 105 k"
ZRP100–140
1435 ± 150 "
Refer to "5-3. COMPRESSOR TECHNICAL DATA".
Gray - Black Gray - Red
PUHZ-ZRP140VKA3.UK
PUHZ-ZRP140YKA3.UK
Check points
Abnormal
Open or short
Normal
ZRP200/250Y
1215 ± 122 "
Normal
Normal
Gray - Yellow
Gray - Orange
46 ± 3 "
57
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short