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10
MICROPROCESSOR CONTROL
1.OUTLINE OF MICROPROCESSOR CONTROL
INPUT to remote controller
OFF-ON switching.
COOL • DRY • FAN selector switching.
HIGH-LOW fan speed switching.
TIMER mode selector-switching
Timer setting.
Self diagnostic troubleshooting.
TEST RUN switching.
CHECK mode switching.
AUTO Vane setting.
Indoor unit
INPUT from indoor unit
Room temperature thermistor.
Pipe temperature thermistor.
OUTPUT to indoor unit
Fan: ON-OFF.
Fan speed: HIGH-LOW.
AUTO vane's angle setting.
Emergency stop.
Independent Control of
Outdoor Unit
INPUT from outdoor unit
Compressor protection device working.
OUTPUT from outdoor unit
Compressor motor and outdoor fan motor : ON-OFF.
REMOTE CONTROLLER
Processes and transmits orders.
INDOOR CONTROLLER BOARD
Receives orders from remote controller and temperature
data from indoor unit.
Processes orders and data.
Controls indoor and outdoor operation.
Self diagnostic function
w System control operation.<Optional>
w Emergency operation
OUTPUT UNIT
Receives orders from
indoor controller.
Emergency stop.
20
OUTPUT to remote controller
Indication LCD lights.
˚C
AM
PM
AM
PM
NOT AVAILABLE
ON / OFF
TEMP
PK-2.5FLD, PK-2.5FLD
1
PK-3FLD,
PK-3FLD
1
PK-4FLSD, PK-4FLSD
1
Non-polar, two (2) - core cable
Outdoor unit
PK-2.5FLD
2
PK-3FLD
2
PK-4FLSD
2
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