DAEWOO ELECTRONICS DWC-084R, Руководство по обслуживанию

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21
Room temperature Sensor Input
Temperature
(°C)
No. 15
-10 4.06
0 3.60
15 2.76
25 2.20
40 1.48
Voltage (V)
Table 3-1
Sensor(3)
MICOM
15
R37
300
CC3
0.01
R38
12.7K
Vcc
ROOM:PT-K43C
2
1
DESCRIPTION
Number 15 of Micom is Terminal of A/D convertor Input.
Room temperature is sensing by change of Thermister Resistance, Micom is put in 5V by ratio between R3
(12.7K
Ω
) and Room sensor.
Relation between temperature and voltage is following Table 3-1.
C13 is Noise filter.