Toshiba RAS-10YAV-E Service Manual page 56

10-8-3. Indoor Unit (Other Parts)
No. Part name
1 Room temp. (TA) sensor
Heat exchanger (TC) sensor
2 Remote controller
3 Louver motor
MP35EA7
4 Indoor fan motor
10-8-4. Outdoor Unit
No. Part name
1 Compressor
(Model : DA91A1F-44F)
2 Outdoor fan motor
(Model : ICF-140-40-7)
3 Compressor thermo. Bimetal
type (Model : PW - 2AL)
4 Outdoor temperature sensor
(TO), discharge temperature
sensor (TD), suction
temperature sensor (TS),
outdoor heat exchanger
temperature sensor (TE)
Checking procedure
Disconnect the connector and measure the resistance value with tester.
(Normal temp.)
Temperature
10°C
Sensor
TA, TC (kΩ)
To item of How to judge whether remote controller is good or bad of the
Judgment of trouble by symptom.
Measure the resistance value of each winding coil by using the tester.
(Under normal temp. 25°C)
Brown
1
Red
2
Orange 3
Yellow 4
Pink 5
Blue 6
Since judgment of DC motor is difficult on the single motor, refer to 10-
5-1. (3).
Checking procedure
Measure the resistance value of each winding by using the tester.
Red
White Black
Measure the resistance value of winding by using the tester.
Red
1 Yellow
4 Pink
5 Gray
White Black
Check conduction by using the tester.
Disconnect the connector, and measure resistance value with the tester.
(Normal temperature)
Temperature
Sensor
TD (kΩ)
TGa : Heat pump model only.
TO, TS, TE : Refer to the TA, TC characteristic table in Indoor (Refer to
Table 10-8-3, No. 1).
– 56 –
20°C 25°C
20,7 12,6 10,0
Position Resistance value
1 to 4
1 to 6
130 ± 10 Ω
2 to 3
2 to 5
Position Resistance value
Red - White
White - Black
Black - Red
Position Resistance value
Yellow- Pink
For details, refer to Section 10-9.
10°C 20°C 30°C
105 64 41
30°C 40°C
7,9 4,5
0,51 to 0,57 Ω
0,51 to 0,57 Ω
0,51 to 0,57 Ω
Under 20°C
5 to 20 k Ω
40°C 50°C
27 18