Toshiba RAS-3M18SACV-E, Service Manual, Page: 90 / 117

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11-9-3. Indoor Unit (Other Parts)
11-9-4. Outdoor Unit
Red
White Black
5
4
3
2
1
White
Yellow
Yellow
Yellow
Yellow
5
4
3
2
1
Red
White Black
No.
1
2
3
4
Part name
Room temp. (TA) sensor
Heat exchanger (TC) sensor
Heat exchanger (TCJ) sensor
Remote controller
Louver motor
MP24Z3N
Indoor fan motor
Checking procedure
Disconnect the connector and measure the resistance value with tester.
(Normal temp.)
Temperature
Sensor
TA, TC, TCJ (k
Ω
)
10°C 20°C 25°C 30°C 40°C
20.7 12.6 10.0 7.9 4.5
Refer to 11-4-1. (5).
Measure the resistance value of each winding coil by using the tester.
(Under normal temp. 25°C)
Position
1 to 2
1 to 3
1 to 4
1 to 5
Resistance value
250 ± 20
Ω
Refer to 11-4-1. (3) and (4).
No.
1
2
3
4
Part name
Compressor
(Model : DA130A1F-25F)
Outdoor fan motor
(Model : ICF-140-43-2R)
Compressor thermo.
Bimetal type
(Model : US622KXTMQO)
Outdoor temperature sensor
(TO), pipe temperature
sensor (TGa, TGb, TGc,
TGd), discharge tempera-
ture sensor (TD), suction
temperature sensor (TS)
*
,
evaporator temperature
sensor (TE)
*
*
: Heat pump model only
Checking procedure
Measure the resistance value of each winding by using the tester.
Position
Red - White
White - Black
Black - Red
Resistance value
0.73 ± 0.05
Ω
Under 20°C
Measure the resistance value of winding by using the tester.
Position
Red - White
White - Black
Black - Red
Resistance value
17 ± 25
Ω
For details, refer to Section 11-10.
Check conduction
by using the tester.
Operation
OFF
ON
Operating temperature
125 ± 4°C
90 ± 5°C
Disconnect the connector, and measure resistance value with the tester.
(Normal temperature)
Temperature
Sensor
TO, TE, TS (k
Ω
)
TGa, TGb, TGc (k
Ω
)
10°C 20°C 25°C 40°C 50°C
20.6 12.6 10.0 5.1 3.4
20.0 12.5 10.0 5.3 3.6