Daewoo DSA-095L Especificações descarregar pdf (Página 54)

Room temperature and Evaporator temperature Sensor Input

DESCRIPTION

Number 24, 25 of Micom is Terminal of A/D convertor Input.

Room temperature and Evaporator temperature is sensing by change of Thermister Resistance, Micom is put

in 5V by ratio between R10 (12.7KΩ) and R11 (12.7KΩ).

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

CC5, 6 is Noise filter.

Temperature

(°C)

No. 1 No. 3

-5 1.127 1.127

0 1.378 1.378

5 1.650 1.650

10 1.936 1.936

15 2.228 2.228

Voltage (V)

Table 3-1

Sensor(3)

070LH,091LH

182LH, 240LH

O/C SENSOR

I/C SENSOR

ROOM SENSOR

CN10

330 R8

330

CC5

103

12.7kF

CC7

103

CC6

MICOM

CN9

R10

12.7KF

R11

12.7KF

VDD-10%

SS+10%

Fig 2-1

DESCRIPTION

Oscillatory Frequency drive Micom, it is made up 8MHz resonator oscillatory Freqency.

Ocillatory wave is as following Fig 2-1.

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 97 98

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Daewoo DSA-095L Especificações Página 54

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