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
)
(
)
Summary of Contents for FTY25GXV1
Page 1: ...SiBE01 829 Applied Models Non Inverter Pair Heat Pump SPLIT Pair Wall Mounted Type G Series ...
Page 5: ...SiBE01 829 iv Table of Contents Index i Drawings Flow Charts iii ...
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 49: ...Instructions SiBE01 829 38 Operation Manual ...
Page 69: ...Check SiBE01 829 58 Service Diagnosis ...
Page 111: ...Outdoor Unit SiBE01 829 100 Removal Procedure ...
Page 119: ...Wiring Diagrams SiBE01 829 108 Appendix ...
