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EXPLANATION FOR MICOM CIRCUIT
2. Sensor resistance characteristics table
Measuring Temperature (°C / °F)
-20 °C [-4 °F]
-15 °C [-5.0 °F]
-15 °C [-5.0 °F]
-5 °C [23.0 °F]
0 °C [32 °F]
+5 °C [41 °F]
+10 °C [50 °F]
+15 °C [59 °F]
+20 °C [68 °F]
+25 °C [77 °F]
+30 °C [86 °F]
+40 °C [104 °F]
+50 °C [122 °F]
u Resistance value tolerance of sensor is ±5%.
u In measuring resistance value allowance of sensor, perform measurement after leaving the sensor for more than 3
minutes at the measuring temperature (delay is required due to sense speed relation relationship).
u Since an analog tester has a large measuring temperature, measuring with a digital tester is strongly recommended.
u Resistance of the cold storage sensor 1 and 2 shall be measured with a digital tester after separating CON8 of the PWB
ASSEMBLY and the MAIN part.
u Resistance of the freezing sensor shall be measured with a digital tester after separating CON7 of the PWB ASSEMBLY
and the MAIN part.
Freezing Sensor
22.3 k
16.9 k
13.0 k
10.1 k
7.8 k
6.2 k
4.9 k
3.9 k
3.1 k
2.5 k
2.0 k
1.4 k
0.8 k
- 44 -
Cold storage sensor 1, 2.
Frost removal sensor, Outside sensor
77 k
60 k
47.3 k
38.4 k
30 k
24.1 k
19.5 k
15.9 k
13 k
11 k
8.9 k
6.2 k
4.3 k
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