7. Block Diagram

7-1 Refrigerating Cycle Block Diagram

PINCH PIPE

SUCTION LINE

DISCHARGE LINE

(SERVICE VALVE)

 

ACCUMULATOR/COMPRESSOR

 

EVAPORATOR

 

CONDENSER

CAPILLARY TUBE

PINCH PIPE (SERVICE VALVE)

7-2 Basic Structure

7-2-1 Micom Control Diagram

MAIN MICOM

Room Temperature sensor Receiving Unit of Remocon

(Remote Control)

Operation

Dry

Timer

Sleep

Fan speed (high)

Fan speed (med)

Fan speed (low)

Fan

Cool

Energy saver

Temp.setting()

Temp.setting()

A/D converter

Led display control

Remocon Single

Receiving

• Compressor control

• Buzzer control

• Temperature control

• Fan motor control

Reset Circuit

Oscillation Circuit

Membrane Pad control

(Key operation)

• Energe saver

Temp.set(, )

Operation, Mode

Swing, Sleep

Fan select, Timer

(Remocon control)

Remocon single control

Compressor

Fan motor

Power circuit (DC 5V)

Powercircuit (DC 12V)

Down Trans (AC15V)

Power input (AC220V)

FRIEDRICH AIR CONDITIONING CO.

7-1

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Friedrich SP12A10, SP10A10, SP08A10, SP06A10 Refrigerating Cycle Block Diagram, Basic Structure, Micom Control Diagram