Toshiba RAS-2M21U2ACVG-SG, Руководство по обслуживанию, Страница: 77 / 91

Red
White Black
Red
White Black
11-8. Outdoor Unit
No.
1
2
3
5
Part name
Compressor
2M 21, 3M41 : D X 136 A 1 T- 4 0 N
3M 31 : DX151A1T-30N
Outdoor fan motor
(Model : ICF-340-A70-1 )
Compressor thermo. Bimetal type
(Model : CS-12AL)
Outdoor temperature sensor (TO),
pipe temperature sensor
(TGa, TGb, TGc),
discharge temperature sensor (TD) .
Checking procedure
Measure the resistance value of each winding by using the tester.
at
20°C
Measure the resistance value of winding by using the tester.
Check conduction by using the tester.
Disconnect the connector, and measure resistance value with the tester.
(Normal temperature)
Position
Red - White
White - Black
Black - Red
Resistance value
18.80 ± 2
Ω
Temperature
Sensor
TD (k
Ω
)
TO (k
Ω
)
TGa to TG
c
(k
Ω
)
10°C 20°C 25°C 40°C 50°C
105 64 51 27 18
20.6 12.6 10.0 5.1 3.4
20.0 12.5 10.0 5.3 3.6
4 High pressure switch
(Model : ACB-1UB177W )
Check conduction by using the tester.
100
30
40
50
60
70
80
90
20
10
0
0 10 20 30 40 50
Resistance value (k
Ω
)
Temperature (˚C)
TD
TO : Discharge temp. sensor
: Outdoor temp. sensor
TGa to TG
c
: Gas side temp. sensor
TO, TGa to TG
c
TD
[1] Sensor characteristic table
11- 7 . Inspection of the Main Parts
Position
Resistance value
DX136A1T-40N DX151A1T-30N
Red - White
White - Black
Black - Red
1.31
Ω
1.1
Ω
at
20°C
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