Friedrich SP12A10 Refrigerating Cycle Block Diagram, Basic Structure, Micom Control Diagram

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7. Block Diagram

7-1 Refrigerating Cycle Block Diagram

PINCH PIPE	SUCTION LINE	DISCHARGE LINE
(SERVICE VALVE)	SUCTION LINE	DISCHARGE LINE
	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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Contents Room AIR Conditioner Precautions Avoid Dangerous ContactFriedrich AIR Conditioning CO Memo Dimensions Selecting Area for Installation Installation and Operating InstructionsInstallation Energy saver operation mode Cooling operation modeFan operation mode Function DescriptionLED display indication in case of error detection Sleep operation modeDry operation mode Memo Disassembly and Reassembly Compressor Replacement Flow ChartReplacing and refilling the refrigerant oil Checking the oilOil quality Disassembly and Reassembly ProcedureSP10A10/SP12A10 Ass’y GrillePart Name Procedures Remarks Disassembly and Reassembly ProcedureSP06A10/SP08A10 Friedrich AIR Conditioning Troubleshooting Basic Checkpoints for TroubleshootingTroubleshooting by Symptom No powerWhen the Touch Key pad and Led Display TroubleshootingWhen the remocon is not operated When the compressor is not operated When the fan motor does not operated LOWExploded View and Parts List Main unitExploded View and Parts List Part List Exploded view and part list Friedrich AIR Conditioning CO Micom Control Diagram Block DiagramRefrigerating Cycle Block Diagram Basic StructureMicom pin assignment KS88C4716 RemoconMemo PCB Diagram Part List Part List Wiring Diagram Schematic Diagrams 10-1 PCB Friedrich AIR Conditioning CO