How To Check The Parts - Mitsubishi Electric PUHZ-P100VHA2 Service Manual

11-6. HOW TO CHECK THE PARTS

PUHZ-P100/125/140VHA2.UK
PUHZ-P100/125/140VHA3.UK
PUHZ-P100/125/140VHA3R2.UK
PUHZ-P100VHA4.UK
PUHZ-P100/125/140YHA.UK
PUHZ-P125/140YHAR2.UK
PUHZ-P100YHA2R1.UK
Parts name
Thermistor (TH3) Disconnect the connector then measure the resistance with a tester.
<Outdoor Pipe>, (At the ambient temperature 10
<Liquid>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-Phase Pipe>,
<2-Phase Pipe>
Thermistor (TH7)
<Outdoor>, <Ambient>
Thermistor (TH8)
<Heat Sink>
Thermistor (TH32)
<Comp.Surface>
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 )
<Four-Way Valve>
(21S4)
Motor for Compressor Measure the resistance between the terminals with a tester.
(Winding temperature 20 )
(MC) U
V
W
Linear Expansion Valve
Disconnect the connector then measure the resistance with a tester.
(LEV-A)
(Winding temperature 20 )
Gray
M
1
2
Orange
3
Red
4
Yellow
5
Black
6
Solenoid Valve Coil
Measure the resistance between the terminals with a tester.
<Bypass valve>
(At the ambient temperature 20 )
(SV)
For P125, 140
OCH415G
Normal
TH4,TH32 160k - 410k
TH3
TH6 4.3k - 9.6k
TH7
TH8 39k - 105k
Except P125/P140VHA2
1500 ± 150
P100V P100Y
0.88 1.41
Gray - Black Gray - Red
Normal
1450 ± 150
PUHZ-P125/140VHA2
PUHZ-P100/125/140VHA3R1.UK
PUHZ-P125/140VHA3R3.UK
PUHZ-P100/125/140YHAR1.UK
PUHZ-P100YHA2.UK
Check points
- 30 )
Abnormal
Open or short
Normal
P125/P140VHA2
1435 ± 150
Normal
P125/140V
0.53
Normal
Gray - Yellow
46 ± 3
Abnormal
Open or short
71
.UK
1
Abnormal
Open or short
Abnormal
P125/140Y
Open or short
1.02
Abnormal
Gray - Orange
Open or short