Mitsubishi Electric MXZ-A14WV Service Manual page 57

MXZ-A14WV - MXZ-A18WV -
E1
Part name
Defrost thermistor
Evaporation/ Gas pipe/
High-pressure protect/
Outdoor heat exchanger
temperature thermistor
Discharge temperature
thermistor
Fin temperature thermistor
Compressor
W
RED
V
U
WHT BLK
Outdoor fan motor
WHT
MXZ-A14/
P
A18WV
ORN
RED
BLK
YLW
Protector specification
Short 87I15:
Open 135I5:
MXZ-A26/
A32WV
RED
U (W)
WHT
(V)
V
BLK
(U)
W
R.V. coil
Linear expansion valve
WHT
LEV
RED
ORN
YLW BRN BLU
High pressure switch
(HPS)
MXZ-A26WV -
E1
Measure the resistance using a tester.
(Part temperature : -10°C ~ 40°C)
Normal
5kΩ ~ 55kΩ
Measure the resistance using a tester, after warming up the thermistor by holding by hand.
(Part temperature : 20°C ~ 40°C)
Normal
100kΩ ~ 250kΩ
Measure the resistance using a tester.
(Part temperature : 10°C ~ 40°C)
Normal
25kΩ ~ 100kΩ
Measure the resistance between terminals using a tester.
(Winding temperature : -10°C ~ 40°C)
Normal
MXZ-A14/A18WV
1Each phase 2.25Ω ~ 2.76Ω
Measure the resistance between lead wires using a tester.
(Part temperature : -10°C ~ 40°C)
Color of lead
wire
WHT - BLK
BLK - YLW
BLK - RED
Color of lead
wire
RED - BLK
BLK - WHT
WHT - RED
Measure the resistance using a tester. (Part temperature : -10°C ~ 40°C)
Measure the resistance using a tester.(Part temperature : -10°C ~ 40°C)
Color of lead wire
WHT - RED
RED - ORN
YLW - BRN
BRN - BLU
MXZ-A26/A32WV
HPS1
MXZ-A32WV -
E1
Check method and criterion
MXZ-A26/A32WV
1Each phase 1.29Ω ~ 1.49Ω
Normal
MXZ-A14/A18WV
123.0Ω ~ 150.0Ω
30.0Ω ~ 36.0Ω
181.0Ω ~ 221.0Ω
Normal
MXZ-A26/A32WV
13.4Ω ~ 16.4Ω
Normal
2.6kΩ ~ 3.3kΩ
Normal
37.4Ω ~ 53.9Ω
Pressure
Operation OFF
3.7 ± 0.15MPa
+
4.8 0.05 MPa
-
0.1
57
E1
abnormal
Open or short-circuit
abnormal
Opened or short-circuit
abnormal
Open or short-circuit
abnormal
Open or short-circuit
abnormal
Open or
short-circuit
abnormal
Open or
short-circuit
(Not including
WHT - ORN)
abnormal
Open or short-circuit
Abnormal
Open or
short-circuit
Normal abnormal
Other than
Short
those list-
ed at left
Open
P Inner protector