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SiBE01-829
Check
Service Diagnosis
67
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
)
(
)
Summary of Contents for FTYN25GXV1B
Page 1: ...SiBE01 829 Applied Models Non Inverter Pair Heat Pump SPLIT Pair Wall Mounted Type G Series...
Page 11: ...Introduction SiBE01 829 x...
Page 12: ...SiBE01 829 List of Function 1 Part 1 List of Function 1 Functions 2...
Page 15: ...Functions SiBE01 829 4 List of Function...
Page 16: ...SiBE01 829 Specifications 5 Part 2 Specifications 1 Specifications 6...
Page 19: ...Specifications SiBE01 829 8 Specifications...
Page 81: ...Check SiBE01 829 70 Service Diagnosis...
Page 86: ...Others SiBE01 829 108 Others...
Page 92: ...Wiring Diagrams SiBE01 829 114 Appendix...