Service Manual
Table Of Contents
- Cover
- Table of contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Refrigerant Circuit
- Part 5 Functions and Control
- Part 6 Test Operation and Field Settings
- Part 7 Remote Controller
- Part 8 Troubleshooting
- 1. Troubleshooting with LED
- 2. Service Diagnosis
- 3. Error Codes and Description
- 4. Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
- 5. Troubleshooting for FFQ Series
- 6. Troubleshooting for Branch Provider (BP) Unit
- 7. Troubleshooting for Outdoor Unit
- 8. Thermistor Resistance/Temperature Characteristics
- 9. Pressure Sensor
- 10. Method of Replacing Inverter’s Power Transistors Modules
- Part 9 Appendix
Thermistor Resistance/Temperature Characteristics SiUS181631EA
268 Troubleshooting
Table 2
Applicable
thermistor
Outdoor unit
FINTH: Radiation fin
Outdoor unit
R2T: Discharge pipe
Thermistor
temperature
°C (°F)
Resistance (k
Ω
) Resistance (k
Ω
)
–30 (–22) 354.1 4759
–25 (–13) 259.7 3454
–20 (–4) 192.6 2534
–15 (5) 144.2 1877
–10 (14) 109.1 1404
–5 (23) 83.25 1059
0 (32) 64.10 806.5
5 (41) 49.70 618.9
10 (50) 38.85 478.8
15 (59) 30.61 373.1
20 (68) 24.29 292.9
25 (77) 19.41 231.4
30 (86) 15.61 184.1
35 (95) 12.64 147.4
40 (104) 10.30 118.7
45 (113) 8.439 96.13
50 (122) 6.954 78.29
55 (131) 5.761 64.10
60 (140) 4.797 52.76
65 (149) 4.014 43.63
70 (158) 3.375 36.26
75 (167) 2.851 30.27
80 (176) 2.418 25.38
85 (185) 2.060 21.37
90 (194) 1.762 18.06
95 (203) 1.513 15.33
100 (212) 1.304 13.06
105 (221) 1.128 11.17
110 (230) 0.9790 9.585
115 (239) 0.8527 8.254
120 (248) 0.7450 7.131
125 (257) 0.6530 6.181
130 (266) 0.5741 5.374
135 (275) – 4.686
140 (284) – 4.098
145 (293) – 3.594
150 (302) – 3.161
Drawing No.
3PA61998
(AD92A057)
3SA48009
(AD970175)