user manual

7-1-2. Connection of Wireless Remote Controller
Outdoor unit
SL2L1
SL2L1
Max. 8 units are connectable. ∗1
∗1 When group combination, wired remote controller shall be
connected to the follower indoor unit.
Same as
the left
#3
AB
U3 U4
ABA
B
#2
Follower unit
Indoor unit
#1 Header unit
Indoor control P.C. board
(MCC-1510)
Receiver and
Display P.C. board
(MCC-5044)
Louver
motor
Indoor
fan motor
CPU
H8/3039
Driver
Buzzer
DC5V
DC12V
DC20V
Outside
output
Central control
communication circuit
Remote controller
communication circuit
Display LED
Receiver unit
Driver
Power circuit
DC280V
DC15V
Fan motor
control circuit
EEPROM
TA sensor
TC sensor
TCJ sensor
HA
Run/
Warning/
Defrost/
Thermo. ON/
COOL/HEAT/
FAN
Serial send/
receive circuit
Wireless remote
signal setting
(A/B)
Central control
remote controller
(Sold separately)
AC
synchronous
signal input circuit
Outdoor
unit
32
1
Same as
the left
Outdoor
unit
321
×
FILE NO. SVM-12004
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