– 30 –
9-1-3.
When Both
Wired (Simple) Remote Contr
ol and
Wireless Remote Contr
ol Kit Connected
CPU
H8/3039
EEPROM
DC5V
DC12V
DC20V
A
B
A
B
A
B
U1
U1
U2
U2
L1
L1
L2
L2
L1
L2
HA
U1 U2
U1 U2
Indoor unit
#1
Power supply circuit
Transformer
Indoor control P.C. board (MCC-1403)
PMV
Indoor
fan
motor
Fan motor
control circuit
Driver
Remote
control
communication
circuit
TA sensor
TC1 sensor
TC2 sensor
TCJ sensor
In operation
Alarm
Getting ready
Thermostat ON
COOL
HEAT
FAN
AC
synchronization
signal input circuit
BUS
communication
circuit
External
output
Indoor/outdoor communication
Outdoor
unit
Power source
208/230-1-60
Outdoor
unit
Outdoor
unit
Power
source
Power
source
Sameas left
Sameas left
#2
#3
Wireless remote control kit
Remote control
communication
circuit
Sensor circuit
Display section
EEPROM
DC5V
CPU
Main (Simple) wired remote control (up to 2 units)
Power
supply
circuit
Function setting
Key switch
Remote control
communication circuit
Display
LCD
Display
LED