Daewoo DSB-181LH, Руководство по обслуживанию

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33
Sensor (2)
23
24
25
MICOM
R18
R19 330
CC8
R21 330
CC9
R23 330
CC10
R20 R22 12.7K x 3
ROOM
EVA
O/D
1
2
1
2
3
4
DESCRIPTION
Number 23, 24, 25 of Micom is Terminal of A/D convertor Input.
Room temperature and Indoor coil, Outdoor coil Temperature is sensing by change of Thermister Resistance,
Micom is put in 5V by ratio between R18 (12.7K
Ω
) and R20, R22 (12.7K
Ω
).
Relation between temperature and voltage is following Table 2-1.
CC8, CC9, CC10 is Noise filter.
Room temperature and Evaporator temperature Sensor Input
Table 2-1
Temperature Voltage (V)
(°C)
No. 23, 24, 25
-5 1.12
0 1.37
15 2.22
25 2.79
40 3.52