111
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10 to 30
:
)
Thermistor (TH3)
<Outdoor liquid pipe>
Thermistor (TH4)
<Compressor>
Thermistor (TH6)
<Suction pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Normal
160 to 410 k
"
4.3 to 9.6 k
"
39 to 105 k
"
TH4
TH2
TH3
TH6
TH7
TH8*
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
:
)
Solenoid valve coil
<4-way valve>
(21S4)
Motor for compressor
(MC)
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
:
)
Normal
1182.5 ± 83
"
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV1)
Refer to the next page.
Fan motor (MF1, MF2)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
:
)
W
V
U
* TH8 is internal thermistor
of power module. (Y)
Normal
1725 ± 172.5
"
Abnormal
Open or short
Normal
0.305 ± 0.015
"
Abnormal
Open or short
PUMY-P
•
VKM PUMY-P
•
YKM
0.466 ± 0.023
"
Normal
Gray - Black
Gray - Red
Gray - Yellow
Gray - Orange
Abnormal
46 ± 3
"
Open or short
Normal
Red - White
Red - Orange
Red - Yellow
Red - Blue
Abnormal
46 ± 4
"
Open or short
Thermistor (TH2)
<HIC pipe>
1
2
3
4
5
M
Gray
Orange
Red
Yellow
Black
1
2
3
4
5
M
Red
Blue
Orange
Yellow
White
Linear expansion Valve
(LEV-A)
Linear expansion Valve
(LEV-B)
8-7. HOW TO CHECK THE PARTS
PUMY-P112VKM3(-BS) PUMY-P125VKM3(-BS)
PUMY-P140VKM3(-BS)
PUMY-P112YKM3(-BS) PUMY-P125YKM3(-BS)
PUMY-P140YKM3(-BS)
PUMY-P112YKME3(-BS) PUMY-P125YKME3(-BS)
PUMY-P140YKME3(-BS)
OCH632A
