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2. Connection of wired remote controller kit
Indoor unit
#1 (Header)
PMV
Louver
motor
Drain
pump
Option
Indoor
fan motor
DC
280V
A
Indoor control P.C. board
(MCC-1643)
DC20V
Remote controller
communication circuit
DC5V
DC12V
MCU
Driver
Outside output
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
Fan motor
control circuit
Power
circuit
L
Power supply
1Ø220-240V, 50Hz
1Ø220V, 60Hz
B
Remote controller
communication circuit
Power
EEPROM
circuit
TA sensor
TC1 sensor
TC2 sensor
Buzzer
TCJ sensor
Receiving
circuit
Float input
HA
BUS
communication
circuit
N
U1
U2
Indoor/Outdoor
communication
U1
U2
Outdoor unit
– 31 –
FILE NO. SVM-16042
#2
Wireless remote
(Follower)
controller kit
A
Receiving
P.C. board
Emergent
operation
SW
DC5V
CPU
Same
as left
Function
setup SW
Display
LED
U1U2
L
N
Power
supply
Outdoor
unit
#3
(Follower)
B
A
B
Same
as left
U1U2
L
N
Power
supply
Outdoor
unit
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