Daikin FTY25GXV1, Руководство по обслуживанию

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SiBE01-829 Check
Service Diagnosis 55
5. Check
5.1 Thermistor Resistance Check
Check No.06 Remove the connectors of the thermistors on the PCB, and measure the resistance of each
thermistor using tester.
The relationship between normal temperature and resistance is shown in the graph and the
table below.
R25°C=10k
Ω
B=3450
Temperature (°C) Thermistor (k
Ω
)
–20 72.7
–15 56.6
–10 44.5
–5 35.2
0 28.0
5 22.5
10 18.2
15 14.8
20 12.1
25 10.0
30 8.3
35 6.9
40 5.8
45 4.9
50 4.1
(R4744)
(R25=10k
Ω
B=3450)
75
50
25
0
–15
0
15 30 45
(k
Ω
)
( )