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TECHNICAL DATA FOR REPAIR
4. Thermistor Characteristics
Outdoor unit
Engine coolant temperature sensor resistance
value
Temperature Standard value
122 ℉ (50 ℃ ) 17.6 kΩ
176 ℉ (80 ℃ ) 6.1 kΩ
212 ℉ (100 ℃ ) 3.3 kΩ
230 ℉ (110 ℃ ) 2.5 kΩ
Outside air temperature sensor resistance
value
Engine compartment temperature sensor
resistance value
Outdoor heat exchanger liquid temperature
sensor resistance value
Outdoor heat exchanger vapor temperature
sensor resistance value
Sub heat exchanger liquid temperature sensor
resistance value
Outdoor liquid pipe temperature sensor
resistance value
Compressor intake temperature sensor
resistance value
Accumulator outlet temperature sensor
resistance value
Temperature Standard value
14 ℉ (-10 ℃ ) 23.7 kΩ
32 ℉ (0 ℃ ) 15.0 kΩ
50 ℉ (10 ℃ ) 9.8 kΩ
68 ℉ (20 ℃ ) 6.5 kΩ
86 ℉ (30 ℃ ) 4.4 kΩ
104 ℉ (40 ℃ ) 3.1 kΩ
122 ℉ (50 ℃ ) 2.2 kΩ
131 ℉
(55 ℃ ) 1.9 kΩ
140 ℉ (60 ℃ ) 1.6 kΩ
149 ℉ (65 ℃ ) 1.4 kΩ
158 ℉ (70 ℃ ) 1.2 kΩ
167 ℉ (75 ℃ ) 1.0 kΩ
Compressor discharge pipe temperature
sensor resistance value
Temperature Standard value
32 ℉ (0 ℃ ) 182.9 kΩ
68 ℉ (20 ℃ ) 70.4 kΩ
122 ℉ (50 ℃ ) 20.2 kΩ
176 ℉ (80 ℃ ) 7.0 kΩ
212 ℉ (100 ℃ ) 3.7 kΩ
248 ℉ (120 ℃ ) 2.1 kΩ
Engine exhaust air temperature sensor
resistance value
(unit with deodorant kit only)
Temperature Standard value
392 ℉ (200 ℃ ) 371.1 kΩ
572 ℉ (300 ℃ ) 52.6 kΩ
752 ℉ (400 ℃ ) 11.5 kΩ
932 ℉ (500 ℃ )3.53 kΩ
1,112 ℉ (600 ℃
)1.38 kΩ
1,292 ℉ (700 ℃ )0.64 kΩ
1,472 ℉ (800 ℃ )0.34 kΩ
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