Temperature
Resistance value (k ) ± 5%
Room
temperature
thermistor
Pipe temperature
thermistor
-20°C 205.8 197.8
-10°C 114.6 111.9
-5°C 87.3 85.4
0°C 67.0 65.8
5°C 51.8 51.0
10°C 40.4 39.9
15°C 31.7 30.7
20°C 25.1 25.0
25°C 20.0 20.0
30°C 16.1 16.0
40°C 10.4 10.6
50°C 6.9 7.1
60°C 4.7 4.9
70°C ---- 3.5
80°C ---- 2.5
90°C ---- 1.8
100°C ---- 1.4
The pipe temperature thermistor resistance value are the same for
the indoor and outdoor units.
<When a thermistor abnormality is judged to have occurred>
- Set only the thermistor which shows an abnormality to the
condition as shown in the table below to carry out emergency
operation.
Thermistor Cooling
mode
Heating
mode
Indoor
unit
Room
temperature
Fixed at 25°C
Pipe
temperature
Shorted Open
Thermistor Cooling
mode
Heating
mode
Outdoor
unit
Discharge
temperature
Open Shorted
Heat exchanger
outlet
temperature
Shorted Open
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