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EXPLANATION FOR MICOM CIRCUIT
2) Sensor resistance characteristics table
Measuring Temperature ( ° C)
-20 °
C
-15 °
C
-15 °
C
-5 °
C
0 °
C
+5 °
C
+10 °
C
+15 °
C
+20 °
C
+25 °
C
+30 °
C
+40 °
C
+50 °
C
►
Resistance value allowance of sensor is ±5%.
►
When measuring the resistance value of the sensor, allow the temperature of that sensor to stabilize for at least 3 minutes
before measuring. This delay is necessary because of the sense speed relationship.
►
Use a digital tester to measure the resistance. An analog tester has to great a margin of error.
►
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.
►
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
Ω
2
2
3 .
k
1
6
9 .
k
Ω
Ω
1
3
0 .
k
Ω
1
0
1 .
k
Ω
7
8 .
k
Ω
6
2 .
k
Ω
4
9 .
k
Ω
3
9 .
k
3
1 .
k
Ω
Ω
2
5 .
k
Ω
2
0 .
k
Ω
1
4 .
k
Ω
0
8 .
k
-34-
Cold storage sensor 1&2
Frost removal sensor, Outside sensor
77 k Ω
60 k Ω
47.3 k Ω
38.4 k Ω
30 k Ω
24.1 k Ω
19.5 k Ω
15.9 k Ω
13 k Ω
11 k Ω
8.9 k Ω
6.2 k Ω
4.3 k Ω
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