Toshiba Carrier MMU-AP0074HPUL Service Manual page 29

6-1-2. In case of connection of wireless remote controller
Indoor unit
#1 (Header)
Indoor control P.C. board
(MCC-1643)
PMV
Louver
motor
Drain
pump
Indoor
fan motor
DC
280V
A
DC20V
Remote controller
communication circuit
DC5V
DC12V
Driver
MCU
Outside output
Start/Alarm
Fan motor
control circuit
AC synchronous
Power
signal input circuit
circuit
L N
Power supply
208/230-1-60
B
Remote controller
communication circuit
Power
circuit
EEPROM
DC5V
TA sensor
TC1 sensor
Buzzer
TC2 sensor
Receiving
circuit
TCJ sensor
Occupancy
sensor
HA
Application
control kit
BUS
communication
circuit
U1 U2
Indoor/Outdoor
communication
U1 U2
Outdoor unit
- 29 -
#2
Wireless remote
(Follower)
controller kit
A B
Receiving
P.C. board
Emergent
operation
SW
CPU
Same
Function as left
setup SW
Display
LED
Power
supply
Outdoor
unit
#3
(Follower)
A B
Same
as left
Power
supply
Outdoor
unit