48
1
2
3
4
5
6
M
Gray
Orange
Red
Yellow
Black
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 10
:
~30
:
)
Thermistor (TH3)
<Outdoor pipe>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heat sink>
Normal
160k
"
~410k
"
4.3k
"
~9.6k
"
39k
"
~105k
"
TH4
TH3
TH6
TH7
TH8
Abnormal
Open or short
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20
:
)
Solenoid valve coil
<Four-way valve>
(21S4)
Motor for compressor
(MC)
Linear expansion valve
(LEV-A)
Normal
Abnormal
Open or short
P100
P125,P140
Disconnect the connector then measure the resistance using a tester.
(Winding temperature 20
:
)
Normal
Gray - Black
Gray - Red
Gray - Yellow
Gray - Orange
Abnormal
46
±
3
"
Open or short
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20
:
)
Normal
1450
±
150
"
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV)
For P100
Refer to next page.
Fan motor(MF1,MF2)
1500
±
150
"
1435
±
150
"
P125,P140
P100
0.88
"
0.266
"
Measure the resistance between the terminals using a tester.
(Winding temperature 20
:
)
Normal
Abnormal
Open or short
W
V
U
10-6. HOW TO CHECK THE PARTS
PUHZ-P100VHA.UK PUHZ-P125VHA.UK PUHZ-P140VHA.UK
OC359A-2.qxp 06.7.12 3:07 PM Page 48
