24
9
MICROPROCESSOR CONTROL
●
Compressor and
outdoor fan : ON-
OFF
●
Operation mode
change :COOL-
HEAT.
1.OUTLINE OF MICROPROCESSOR CONTROL
●
OFF-ON switching.
●
COOL/DRY-AUTO-HEAT selector switching.
●
Thermostat setting.
●
TIMER mode selector-switching and Timer
setting.
●
HIGH-LOW fan speed switching.
●
AUTO Vane selector (AIR DISCHARGE)
switching.
●
TEST RUN switching.
●
CHECK mode switching.
(Self diagnostic trouble shooting)
●
Room temperature thermistor (RT1)
●
Pipe temperature thermistor (RT2)
●
Auto vane’s angle setting.
●
Booster heater ON-OFF Control.
●
Emergency stop.
●
Compressor protection
device working
●
Defrosting
START-STOP
●
Fan speed control.
●
Crankcase heater control
ON-OFF.
●
Self diagnostic function
Independent Control of
Outdoor Unit
OUTPUT to indoor unit
INPUT from indoor unit
INPUT to remote controller
Remote controller board
●
Processes and transmits
orders.
OUTPUT to remote controller
Indoor controller board
●
Receives orders from remote controller and tem-
perature data from indoor unit.
●
Processes orders and data.
●
Controls indoor and outdoor operation.
●
Self diagnostic function.
w
System control operation.
w
Emergency operation.
w
Set by dip switch on indoor controller board.
OUTPUT to outdoor unit
Polar three-wire cable
12VDC
1 2 3
1
2
3
Indoor
unit
Outdoor unit
●
Indication LCD lights.
ON/OFF
TEMP
MODEL
SELECT
NOT AVAILABLE
SWING
CHECK
FAN
TEST
RUN
˚F
˚C
AMPM
STOP
START AMPM
COOL
DRY
AUTO
FAN
HEAT
OC276-A-1.qxp 03.11.25 9:04 AM Page 24
Summary of Contents for Mr.Slim PKH18FL
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