Toshiba SUPER MMK-AP0073H (IN) Service Manual page 130

8-1-2. Case of Wireless Remote Controller Kit Connected
Indoor unit
#1
U3
Central control
remote controller
(Option) *1
U4
Sensor
part
Louver
motor
Indoor
fan motor
Max. 8 units are connectable.
*1 In group connection, mount the central control
remote controller to group header unit.
Main P.C. board (MCC-1510)
DC20V
communication circuit
Sensor display
P.C. board
DC5V
(MCC-5044)
LED
Outside output
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
DC12V
Power
circuit
DC280V
A B
Remote controller
communication circuit
Central control
CPU
Driver
Driver
Fan motor
control circuit
AC synchronous
signal input circuit
L N
L N
Power supply
1Ø 220 – 240V, 50Hz
1Ø 220V, 60Hz
130
A B
EEPROM
TA sensor
TC sensor
Same
as left
TCJ sensor
HA
Remote
controller
A/B setup
BUS
U1U2
Communication
L N
circuit
Power
supply
Outdoor
unit
U1 U2
U2
Outdoor unit
U1
A B
Same
as left
U1U2
L N
Power
supply
Outdoor
unit