Mitsubishi Electric MSC-A07WV Service Manual page 110

MU-A07WV - MUH-A07WV -
E1
MU-A09WV - MUH-A09WV -
E1
MU-A12WV - MUH-A12WV -
E1
Part name
Measure the resistance with a tester.
Defrost
(Part temperature –10°C ~ 40°C)
thermistor
(RT63)
<MUH-
A07/A09/A12WV>
Measure the resistance between the terminals with a tester.
Compressor
(Coil wiring temperature –10°C ~ 40°C)
(MC)
INNER
PROTECTOR
MU-A07/A09WV
MUH-A07/A09WV
150i 5°C OPEN
90i10°C CLOSE
MU-A12WV
MUH-A12WV
155i 5°C OPEN
90i10°C CLOSE
Measure the resistance between the terminals with a tester.
(Coil wiring temperature –10°C ~ 40°C)
Color of
lead wire
Outdoor fan
motor INNER
WHT-BLK
(MF)
BLK-RED
INNER FUSE
163i °C 3
2
CUT OFF
Color of
lead wire
WHT-BLK
BLK-RED
MUX-A10WV - MUX-A19WV -
E1
Part name
Measure the resistance between the terminals with a tester.
(Coil wiring temperature-10°C ~ 40°C)
MUX-A10WV
Compressor
RN092VHSHT
(MC, MC1,
3.41 ~ 4.18Ω
MC2) C-R
INNER 5.41 ~ 6.63Ω
C-S
PROTECTOR
150°C OPEN
90°C CLOSE
C-R
C-S
E1
E1
E1
Check method and criterion
Normal
MUH-A07/A09/A12WV
5kΩ ~ 60kΩ
Normal
MU-A07WV MU-A09WV MU-A12WV
3.41~4.18Ω
C-R 2.99~3.67Ω
4.02~4.92Ω
C-S 5.41~6.63Ω
Normal
MUH-A07WV MUH-A09WV MUH-A12WV
3.41~4.18Ω
C-R 2.99~3.67Ω
C-S 5.41~6.63Ω 4.02~4.92Ω
Normal
MU-A07/A09WV
311~381Ω
282~347Ω
Normal
MUH-A07WV
311~381Ω
282~347Ω
MUX-A20WV -
E1
Check method and criterion
MUX-A19WV
RN145VHSHT RN092VHSHT RN099VHSHT RN125VHSHT
2.14 ~ 2.63Ω 3.41 ~ 4.18Ω 2.99 ~ 3.67Ω 2.52 ~ 3.09Ω
3.35 ~ 4.11Ω 5.41 ~ 6.63Ω 4.02 ~ 4.39Ω 5.04 ~ 6.18Ω
MUX-A25WV
RN145VHSHT
RN145VHSHT
2.14 ~ 2.63Ω 2.14 ~ 2.63Ω
3.35 ~ 4.11Ω
3.35 ~ 4.11Ω
Abnormal
Open or short-circuit
Abnormal
2.46~3.01Ω
Open or short-circuit
2.96~3.63Ω
Abnormal
2.46~3.01Ω
Open or short-circuit
2.96~3.63Ω
MU-A12WV
265~325Ω
Open or short-circuit
293~359Ω
MUH-A09/A12WV
265~325Ω
Open or short-circuit
293~359Ω
MUX-A25WV -
E1
Normal
MUX-A20WV
Normal
MUX-A26WV
RN125VHSHT
RN145VHSHT
2.14 ~ 2.63Ω 2.52 ~ 3.09Ω
5.04 ~ 6.18Ω
3.35 ~ 4.11Ω
110
Abnormal
Abnormal
P INNER PROTECTOR
MUX-A26WV -
E1
Abnormal
Open
or
short-circuit
Abnormal
Open
or
short-circuit
Figure
WHT
C
P
AUX. MAIN
S R
BLK
RED
MAIN
AUX.
FUSE
BLK
RED WHT
E1
Figure
P