Mitsubishi Electric PUHZ-ZRP100VKA3.UK Service Manual page 58

10-6. HOW TO CHECK THE PARTS
PUHZ-ZRP100VKA3.UK
PUHZ-ZRP100YKA3.UK
PUHZ-ZRP100YKA3R1.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>
1
Thermistor (TH4)*
<Discharge>
Thermistor (TH6) TH4, TH32
<2-phase pipe>
Thermistor (TH7)
<Ambient>
2
Thermistor (TH8)*
<Heat sink>
3
Thermistor (TH32/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)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 20°C)
U
(MC)
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
Black 5
1
* ZRP100–140
2
* ZRP100–250Y
3
* TH33: for ZRP100–140
TH32: for ZRP200/250
OCH645D
PUHZ-ZRP125VKA3.UK
PUHZ-ZRP125VKA3R1.UK
PUHZ-ZRP125YKA3.UK
PUHZ-ZRP125YKA3R1.UK
PUHZ-ZRP125YKA3R2.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
Check points
Abnormal
Open or short
Normal
ZRP200/250Y
1215 ± 122 "
Normal
Normal
Gray - Yellow
Gray - Orange
46 ± 3 "
58
PUHZ-ZRP140VKA3.UK
PUHZ-ZRP140VKA3R1.UK
PUHZ-ZRP140YKA3.UK
PUHZ-ZRP140YKA3R1.UK
PUHZ-ZRP140YKA3R2.UK
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short