6
-1-2. In case of connection of wireless remote controller
A
B
Same
as left
Same
as left
A
B
A
B
Outdoor
unit
Outdoor
unit
Indoor control P.C. board
(MCC-1643)
Wireless remote
controller kit
Receiving
P.C. board
DC12V
DC5V
DC20V
Power
circuit
Outside output
Fan motor
control circuit
AC synchronous
signal input circuit
Start/Alarm
BUS
communication
circuit
MCU
EEPROM
TA sensor
TC1 sensor
TC2 sensor
TCJ sensor
HA
Application
control kit
Occupancy
sensor
Driver
Remote controller
communication circuit
Remote controller
communication circuit
DC
280V
Indoor unit
#1 (Header)
Indoor
fan motor
Power supply
208/230-1-60
Power
supply
Power
supply
Indoor/Outdoor
communication
Outdoor unit
#2
#3
(Follower)
(Follower)
L N
PMV
Louver
motor
Drain
pump
U1
U1
U2
U2
Power
circuit
Receiving
circuit
Function
setup SW
Display
LED
Buzzer
CPU
DC5V
Emergent
operation
SW
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