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5-1-2. Connection of Wireless Remote Controller Kit
CPU
DC5V
AB
AB
AB
1
2
3
1
2
3
Indoor unit #1 (Header)
Outdoor unit
Outdoor unit
Outdoor unit
Same as left
∗
1
∗
1
Same as left
#2
#3
Function
setup SW
Temporary
operation SW
Wireless remote controller receiver
Receiver P.C.board
(MCC-1504)
Power
circuit
Remote controller
communication
circuit
Buzzer
Receiver circuit
Display LED
Serial send/
receive circuit
Driver
Start/
Alarm
Outside
output
Indoor control
P.C.board
(MCC-1643)
DC20V
DC5V
DC12V
DC280V
Indoor
fan motor
Louver
motor
EEPR
OM
TC sensor
T
A
sensor
Refrigerant
leak
detection
sensor
TCJ sensor
HA
Float input
Fan motor
control circuit
AC
synchronous signal input
circuit
Po
w
e
r
circuit
Remote controller
communication circuit
CPU
12
3
12
3
Central remote
controller(Option)
TCC-LINK adapter P.C.board (MCC-1440)
TCC-LINK adapter (Option)
∗
1 "1:1 model" connection interface is connected to header unit.
∗
Case of "1:1 model" connection interface
(TCC-LINK adapter)
Up to 8 units
are connectable.
(Follower)
(Follower)
TCC-LINK
communication circuit
U3
U4