OC275-20
10
MICROPROCESSOR CONTROL
1. OUTLINE OF MICROPROCESSOR CONTROL
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OFF-ON switching.
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COOL • DRY • FAN selector switching.
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HIGH-LOW fan speed switching.
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TIMER mode selector-switching
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Timer setting.
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Self diagnostic troubleshooting.
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TEST RUN switching.
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CHECK mode switching.
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AUTO Vane setting.
INPUT to remote controller
OUTPUT to remote controller
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Indication LCD lights.
REMOTE CONTROLLER
●
Processes and transmits orders.
ON/OFF
TEMP
MODEL
SELECT
NOT AVAILABLE
SWING
CHECK
FAN
TEST
RUN
˚F
˚C
AMPM
STOP
START AMPM
COOL
DRY
AUTO
FAN
HEAT
●
Room temperature thermistor.
●
Indoor coil thermistor.
Independent Control of
Outdoor Unit
OUTPUT to indoor unit
INPUT from indoor unit
12VDC
●
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
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Fan: ON-OFF.
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Fan speed: HIGH-LOW.
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AUTO vane’s angle setting.
●
Emergency stop.
INPUT from outdoor unit
●
Compressor protection device working.
OUTPUT to outdoor unit
●
Compressor motor and outdoor fan motor : ON-OFF.
OUTPUT CONTROLLER
BOARD
●
Receives orders from
indoor controller.
●
Emergency stop.
polar, two (2) - core cable
Outdoor unit
INDOOR CONTROLLER BOARD
Indoor unit
OC275--1.qxp 01/12/14 3:06 PM Page 20
