Mitsubishi Electric Mr.Slim PEAD-SM100JA(L), Техническое и сервисное руководство

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TCH030 TCH030
11-4. TROUBLE CRITERION OF MAIN PARTS
Parts name
Figure
Check method and criterion
Outdoor fan motor
R.V. coil (21S4)
Expansion valve coil
(LEV)
Measure the resistance between terminals with a tester.
(Temperature: −10 to 40°C)
WHT - BLK
BLK - RED
RED - WHT
Normal
Measure the resistance between terminals with a tester.
(Temperature: −10 to 40°C)
Normal
Measure the resistance with a tester.
Refer to “11-6. TEST POINT DIAGRAM AND VOLTAGE” for the chart of thermistor.
Color of the lead wire
Discharge temperature
thermistor (RT62)
Measure the resistance with a tester.
Before measurement, hold the thermistor with your hands to warm it up.
Refer to “11-6. TEST POINT DIAGRAM AND VOLTAGE” for the chart of thermistor.
Defrost thermistor (RT61)
Fin temperature
thermistor (RT64)
Measure the resistance between terminals with a tester.
(Temperature: −10 to 40°C)
Compressor
U-V
U-W
V-W
Normal
W
U
V
WHT RED BLK
W
U
V
WHT RED BLK
Ambient temperature
thermistor (RT65)
Outdoor heat exchanger
temperature thermistor(RT68)
1.19 to 1.78 kΩ
12 to 17 Ω
LEV
WHT
RED
YLW
ORN
BLU
Measure the resistance with a tester.
(Temperature: −10 to 40°C)
RED - ORN
RED - WHT
RED - BLU
RED - YLW
Normal
37 to 54 Ω
Color of the lead wire
SUZ-SA71VA3.TH
0.91 to 1.13 Ω
SUZ-SA100VA2.TH
0.83 to 1.03 Ω
SUZ-SA71VA3.TH SUZ-SA100VA2.TH