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5-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote Controller
Wired (Simple) heder remote controller
(Max. 2 units)
Schedule remote controllerWireless remote controller
Central remote
controller (Option)
P.C. board
(MCC-1440)
∗ “1:1 model” connection interface
(Option)
Outdoor unit
Outdoor unit
321
321
321
Up to 8 units are connectable. ∗1
∗1 However, if “1:1 model connection interface” is
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 controller.
Same as left
∗2
#3
(Follower)
A B
AB
ABAB
Same as left
∗2
#2
(Follower)
A B
DC5V
DC5V
Indoor unit
#1 (Heder)
Indoor control P.C. board (MCC-1631)
Drain
pump
Indoor
fan motor
CPU
H8/36109
Driver
DC12V
DC5V
DC20V
External
output
Remote controller
communication circuit
Display
LCD
Function
setup
Key
switch
CN2
CN1
∗3
CPU
Display
LED
Display
LCD
LCD
driver
CPU
Power
circuit
Remote controller
communication circuit
Function
setup
Key
switch
Power circuit
DC280V
Fan motor
control circuit
CPU
TVP88CH47FG
(TMP88PH47FG)
EEPROM1
EEPROM2
TA sensor
TC sensor
TCJ sensor
Float input
HA
TCC-LINK
communication circuit
Run
Alarm
Defrost
Thermo. ON
COOL
HEAT
FAN
Serial send/
receive circuit
AC
synchronous
signal input circuit
Power
circuit
Secondary
battery
Outdoor unit
321
U3
U4
Remote controller
communication circuit
Receive
circuit
Function setup SW
CPU
Buzzer
Display LED
DC5V
Temporary
operation SW
Power
circuit
Receiver P.C. board