20
10
MICROPROCESSOR CONTROL
TEMP
ON / OFF
NOT AVAILABLE
AM
PM
AM
PM
˚C
1.OUTLINE OF MICROPROCESSOR CONTROL
●
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.
●
Room temperature thermistor.
●
Pipe temperature thermistor.
Independent Control of
Outdoor Unit
OUTPUT to indoor unit
INPUT from indoor unit
INPUT to remote controller
OUTPUT to remote controller
●
Indication LCD lights.
12VDC
Indoor unit
●
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
●
Fan: ON-OFF.
●
Fan speed: HIGH-LOW.
●
AUTO vane’s angle setting.
●
Emergency stop.
INPUT from outdoor unit
●
Compressor protection device working.
OUTPUT from outdoor unit
●
Compressor motor and outdoor fan motor : ON-OFF.
OUTPUT UNIT
●
Receives orders from
indoor controller.
●
Emergency stop.
Non-polar, two (2) - core cable
Outdoor unit
INDOOR CONTROLLER BOARD
REMOTE CONTROLLER
●
Processes and transmits orders.
PK-2.5FLD, PK-2.5FLD
1
PK-3FLD, PK-3FLD
1
PK-4FLSD, PK-4FLSD
1
PK-2.5FLD
2
PK-3FLD
2
PK-4FLSD
2
OC232--1.qxp 01.10.1 9:17 PM Page 20
