Daikin RXL25G2V1B, Руководство по обслуживанию

Страница: 135 / 294

Check SiENBE04-925_A
120 Service Diagnosis
5.1.4 Thermistor Resistance Check
Check No.06 Disconnect the connectors of the thermistors from the PCB, and measure the resistance of
each thermistor using tester.
The relationship between normal temperature and resistance is shown in the table and the
graph below.
„
For the models in which the thermistor is directly mounted on the PCB, disconnect the
connector for the PCB and measure.
Thermistor R25°C = 20 k
Ω
, B = 3950
Temperature (°C)
–20 211.0 (k
Ω
)
–15 150.0
–10 116.5
–5 88.0
0 67.2
5 51.9
10 40.0
15 31.8
20 25.0
25 20.0
30 16.0
35 13.0
40 10.6
45 8.7
50 7.2
Tester
Resistance range
(R11906)
(k
Ω
)
150
100
50
-15 0 15 30 45
(°C)
(R11905)
RTH1
Tester
(R3460)
SIENBE04-925_A_FRONT.pdf 135 24/02/2011 13:53:58