Mitsubishi Electronics PCH30GK Air Conditioner User Manual


 
OC277-27
MICROPROCESSOR CONTROL
9
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.
Swing louver switching.(AIR SWEEP)
TEST RUN switching.
CHECK mode switching.
(Self diagnostic trouble shooting)
Room temperature thermistor (RT1)
Pipe temperature thermistor (RT2)
Auto vane’s angle setting.
Swing louver control ON-OFF.
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.
Transmits the power to remote controller.
OUTPUT to outdoor unit
12VDC
Non-polar, two-wire cable
maximum length 550 yards
Signal
Remote controller
LCD indicator
Polar three-wire cable
12VDC
123
1
2
3
Indoor
unit
Outdoor unit
FILTER
CHECK MODE
TEST RUN
TIMER OFF TIMER
CHECK SET TEMP.
CLOCK AUTO AUTO
START STOP
FAN
SPEED
AUTO
RETURN
OC277--1.qxp 01.12.14 13:02 Page 27