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6-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote Controller
Indoor unit
#1 (Header)
PMV
Fan IPDU
(MCC-1610)
Fan motor
Indoor
control
fan
motor
circuit
DC15V
Power
Reactor
circuit
Noise filter
Drain
P.C. Board
pump
(MCC-1551)
*Option
Max. 8 units are connectable.
*1 The schedule timer cannot be connected to the simple wired remote controller.
Wired (Simple) header remote controller
Display LCD
EEPROM
Display LED
Remote controller
communication circuit
Indoor control P.C. Board
(MCC-1643)
DC20V
Remote controller
communication circuit
DC5V
Driver
DC12V
Outside output
Start/Alarm/Ready
Power
circuit
MCU
Power supply
1Φ 220-240V, 50Hz
1Φ 220V, 60Hz
DC5V
Up to 8 units are connectable. *1
* 1 However, if "1:1 model connection interface" is
connected when 2 wired (simple) remote controllers
are connected, Max. 7 units are connectable.
* 2 Connect "1:1 model connection interface" to only
1 unit and connect 1 "1:1 model connection interface"
to the header unit.
*
3 It is unavailable to connect the Schedule remote
controller to the simple wired remote controll
Function setup
Key switch
CPU
CN2
DC5V
Power
circuit
A
B
EEPROM
TA sensor
MCU
TC sensor
TCJ sensor
Float input
HA
Serial
communication
circuit
L
1
2
3
N
Indoor/Outdoor
communication
Outdoor unit
– 26 –
Schedule timer
LCD
Display
LCD
driver
CN1
CPU
DC5V
* 1
Secondary
Power
circuit
battery
Wireless remote
(Follower)
controller kit
Receiving
P.C. Board
Remote controller
communication circuit
Emergent
Power
operation
circuit
SW
DC5V
CPU
Function
Buzzer
setup SW
Receiving
Display
circuit
LED
Function setup
Key switch
#2
#3
(Follower)
A
B
A
B
Same
Same
as left
as left
L
N
L
N
1 2 3
1 2 3
Power
Power
supply
supply
Outdoor
Outdoor
unit
unit
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