6.
CONFIGURATION OF CONTROL CIRCUIT
6-1. Indoor Controller block diagram
(MCC-1696)
6-1-1. Connection of wired remote controller
Wired
header remote controller (
Up to 2 link
)
Schedule timer (weekly timer mode)
N
L
Same as
the left
#3
B
A
U3
U4
B
A
A
B
#2
Follower unit
DC5V
DC5V
Indoor unit
#1 Header unit
Indoor control P.C.
board (MCC-1
696
)
Receiver and
Display P.C. board
(
WP-033
)
Sold separately
Louver
motor
Indoor
fan motor
CPU
RL78/G13
Driver
Buzzer
DC5V
DC12V
DC20V
Outside
output
Remote controller
communication circuit
Display LCD
Function setup
Key switch
CN2
CN1
∗
1
CPU
Display LED
LCD driver
CPU
Central control
communication circuit
Remote controller
communication circuit
Display LED
Receiver unit
Driver
Function setup
Key switch
Power circuit
Power circuit
DC280V
DC15V
Fan motor
control circuit
EEPROM
TA sensor
TC
1,TC2
sensor
TCJ sensor
HA
Run/
Alarm/
Ready/
Thermo. ON/
COOL/HEAT/
FAN
Wireless remote
signal setting
(A/B)
Central control
remote controller
(Sold separately)
AC
synchronous
signal input circuit
Power
circuit
Secondary
battery
Display
LCD
Outdoor
unit
Same as
the left
Outdoor
unit
Bus communication
circuit
Outdoor Unit
U1
U2
Power supply
208/230-1-60Hz
Power
supply
Power
supply
*1 The schedule timer com be
connected. to only RBC-AMT***
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