How To Check The Parts - Mitsubishi Electric PUZ-ZM100VKA Service Manual

10-6. HOW TO CHECK THE PARTS

PUZ-ZM100VKA.UK
PUZ-ZM100YKA.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)
<Discharge>
Thermistor (TH6) TH4, TH33
<2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)* 1
<Heat sink>
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)
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 )
* 2
(Winding temperature 20°C)
Gray
M
1
Orange
2
Red
3
Yellow
4
Black 5
* 1 ZM100–140Y
* 2 LEV-C is for ZM140 model only.
OCH654
PUZ-ZM125VKA.UK
PUZ-ZM125YKA.UK
Normal
160 to 410 k"
TH3
TH6
4.3 to 9.6 k"
TH7
TH8 39 to 105 k"
Refer to "5-2. COMPRESSOR TECHNICAL DATA".
Gray - Black Gray - Red
PUZ-ZM140VKA.UK
PUZ-ZM140YKA.UK
Check points
Abnormal
Open or short
Normal
ZM100–140
1435 ± 150 "
Normal
Normal
Gray - Yellow
46 ± 3 "
59
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Gray - Orange
Open or short