Daewoo DWC-121R service manual Sensor3, Micom, Description

Sensor(3)

Room temperature Sensor Input

MICOM

15

DESCRIPTION

Vcc

ROOM:PT-K43C

	2
R4	1

300

R3

C13 12.7K

0.01

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 (12.7KΩ ) and Room sensor.

Relation between temperature and voltage is following Table 3-1.

C13 is Noise filter.

Temperature	Voltage (V)
(°C)	No. 15
-10	4.06
0	3.60
15	2.76
25	2.20
40	1.48
	Table 3-1

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