131
Part name
Check method and criterion
Measure the resistance using a tester.
(Part temperature -10°C ~ 40°C)
Defrost thermistor
Suction / Evaporation /
Gas pipe temperature ther-
mistor
Normal
abnormal
5k
Ω
~ 55k
Ω
Opened or short-circuited
Measure the resistance using a tester, after warming up the thermistor by holding by hand.
(Part temperature : 20°C ~40°C)
Discharge temperature
thermistor
Normal
abnormal
100k
Ω
~ 250k
Ω
Opened or short-circuited
Measure the resistance between terminals using a tester.
(Winding temperature : -10°C ~ 40°C)
Compressor
Normal
abnormal
Each phase 1.05
Ω
~ 1.29
Ω
Opened or
short-circuited
Measure the resistance between lead wires using a tester.
(Part temperature : -10°C ~ 40°C)
Outdoor fan motor
Normal
WHT - BLK
MXZ-18RV
WHT - BLK
143.0
Ω
~ 176.0
Ω
BLK - YLW
63.0
Ω
~ 78.0
Ω
YLW - BLU
-
Opened or
short-circuited
(Not including
WHT - ORN)
Measure the resistance using a tester. (Part temperature -10°C ~ 40°C)
Reversing valve coil
Measure the resistance using a tester.
(Part temperature -10°C ~ 40°C)
<Only MXZ-32RV>
Solenoid coil
Normal
abnormal
873
Ω
~ 1068
Ω
Opened or short-circuited
Measure the resistance using a tester.(Part temperature -10°C ~ 40°C)
Linear expansion valve
Lead wire color
Normal
WHT - RED
RED - ORN
YLW - RED
RED - BLU
22 ~ 29
Ω
Abnormal
Opened or short-circuited
Measure the resistance using a tester.
(Part temperature -10°C ~ 40°C)
High pressure switch
(HPS)
Low pressure switch (LPS)
Compressor thermistor
❈
Only MXZ-32RV
Pressure (HPS, LPS)
Inner thermistor
Normal
abnormal
Operation OFF
HPS1
2.35 ± 0.15MPa (24 ± 1.5kg / cm
2
)
❈
HPS2
2.55 ± 0.2MPa (26 ± 2kg / cm
2
)
❈
LPS
0.15 ± 0.05MPa (1.5 ± 0.5kg / cm
2
)
HPS1
2.75 MPa (28 kg / cm
2
)
❈
HPS2
3.43 MPa (35 kg / cm
2
)
❈
LPS
0.05 ± 0.04MPa (0.5 ± 0.4kg / cm
2
)
Operation OFF
108 ± 11°C
130 ± 5°C
Open
Short
Other than
those list-
ed at left
0.05
0.1
0
0.15
0.5
1.0
0
1.5
+
-
+
-
+
-
+
-
W
U
V
WHT
RED
BLK
WHT
BLK
P
ORN
WHT
RED
BLK
YLW
P
ORN
BLU
RED
YLW
MXZ-18NV
MXZ-32NV
WHT
RED
YLW
ORN
BLU
MXZ-18RV
Each phase 0.47
Ω
~ 0.58
Ω
MXZ-32RV
RED - BLK
-
MXZ-32RV
69.0
Ω
~ 86.0
Ω
23.0
Ω
~ 30.0
Ω
10.0
Ω
~ 13.0
Ω
73.0
Ω
~ 91.0
Ω
YLW - RED
31.0
Ω
~ 39.0
Ω
-
Normal
abnormal
1320
Ω
~ 1620
Ω
Opened or
short-circuited
MXZ-18RV
1190
Ω
~ 1715
Ω
MXZ-32RV
MXZ-18RV
MXZ-32RV
21 ~ 26
Ω
MXZ-18RV -
MXZ-32RV -
E1
E1
abnormal