Mitsubishi Electric MSZ-G09SV Service Manual page 75

MSZ-G20SV - MUZ-G20SV -
E1
Part name
Room temperature
thermistor(RT11)
Indoor coil thermistor
(RT12(main), RT13(sub))
Defrost thermistor
(RT62)
Discharge temperature
thermistor(RT61)
Fin temperature
thermistor(RT67)
Compressor(MC)
Indoor fan motor(MF)
INNER
PROTECTOR
135i 5: OPEN
86i 15: CLOSE
Outdoor fan motor(MF61)
INNER
PROTECTOR
135i 5: OPEN
87i 15: CLOSE
Horizontal vane
motor(MV1)
Vertical vane
motor(MV2)
R.V. coil(21S4)
LEV(Expansion valve)
E1
Check method and criterion
Measure the resistance with a tester.
(Part temperature 10˚C ~ 30˚C)
Normal
8 k" ~ 20 k"
Measure the resistance with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
5 k" ~ 60 k"
Measure the resistance with a tester.
Before measurement, hold the thermistor with your hands to warm it up.
(Part temperature 20˚C ~ 40˚C)
Normal
100 k" ~ 300 k"
Measure the resistance with a tester.
Before measurement, hold the thermistor with your hands to warm it up.
(Part temperature 0˚C ~ 40˚C)
Normal
20 k" ~ 200 k"
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
1Each phase 0.39Ω ~ 0.50Ω
Measure the resistance between the terminals with a tester.
(Part temperature 10˚C ~ 30˚C)
Color of lead wire
WHT – BLK
BLK – RED
Measure the voltage power ON.
Color of lead wire
BRN – YLW
(When fan revolved one time)
YLW – GRY
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Color of lead wire
WHT – BLK
BLK – YLW
BLK – RED
Measure the resistance between the RED terminals and other ones.
(Part temperature 10°C ~ 30°C)
Normal
Approx. 300" in each phase
Measure the resistance between the terminals with a tester.
(Part temperature –10˚C ~ 40˚C)
Normal
2.673 k" ~ 3.268 k"
Measure the resistance with a tester.
(Part temperature : –10˚C ~ 40˚C)
Color of lead wire
WHT – RED
RED – ORN
YLW – BRN
BRN – BLU
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Normal
133 " ~ 144 "
153 " ~ 165 "
Normal
4.5 ~ 5.5V
0V 5V 0V
(Approx.)
Normal
208.4 " ~ 254.8 "
42.4 " ~ 51.9 "
197.7 " ~ 241.7 "
Abnormal
Open or short-circuit
Abnormal
Open or short-circuit
Normal
30.3 " ~ 37.0 "
75
Abnormal
Open or
short-circuit
Abnormal
Remain 0V or 5V
Abnormal
Open or
short-circuit
WHT
RED
Abnormal
ORN
Open or
short-circuit
P : INNER PROTECTOR
Figure
W
RED
V
U
WHT
BLK
MAIN
AUX.
P
BLK RED WHT
WHT
P
ORN
RED
BLK
YLW
PNK
ROTOR
ORN
RED
YLW BLU
6
1
LEV
4