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3. Connection of both wired remote controller and wireless remote controller kit
Max. 8 units are connectable. *1
*1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected,
maximum 7 units are connectable.
*2 The network adaptor is installed to only
*3 The weekly timer cannot be connected to the simple wired remote controller.
Wireless remote
controller kit
Receiving
P.C. board
Same
as left
*2
A
B
L
U1U2
N
Power
supply
Outdoor
unit
Same
as left
*2
A
B
A
B
L
U1U2
N
Power
supply
Outdoor
unit
Indoor control P.C. board
(MCC-1570)
Power
circuit
Receiving
circuit
DC12V
DC5V
DC5V
Power
circuit
Outside output
Fan motor
control circuit
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
Emergent
operation
SW
Function
setup SW
Display
LED
MCU
AC synchronous
signal input circuit
BUS
communication
circuit
MCU
EEPROM
TA sensor
TC1 sensor
TC2 sensor
TCJ sensor
Float input
HA
Driver
Buzzer
Remote controller
communication circuit
Remote controller
communication circuit
Remote controller
communication circuit
CPU
DC
280V
Network adaptor (Option)
Network adaptor
P.C. board (MCC-1401)
DC5V
PMV
Louver
motor
Indoor
fan motor
Power circuit
Transformer
Switch setup
CPU
Remote controller
communication circuit
Drain
pump
L
N
U1
U2
U1
U2
Power supply
1Ø220-240V, 50Hz
1Ø220V, 60Hz
Indoor/Outdoor
communication
Outdoor unit
*3
Wired remote controller
Weekly timer
CPU
DC5V
Function setup
Key switch
Power
circuit
Display LCD
Display LED
EEPROM
CPU
DC5V
CN2
CN1
Function setup
Key switch
Display
LCD
LCD
driver
Power
circuit
Secondary
battery
#3
Follower unit
#2
Follower
unit
Indoor unit
#1
Header unit
