In Case Of Connection Of Wireless Remote Controller (Slim Duct Type) - Toshiba MMU-UP0071MH-UL Service Manual

8-1-2. In case of connection of wireless remote controller
(Slim Duct type)
Indoor unit
#1 (Header)
Indoor control P.C. board
(MCC-1643)
PMV
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
L1 L2
Power supply
208/230V ~, 60Hz
B
communication circuit
EEPROM
TA sensor
TC1 sensor
Buzzer
TC2 sensor
TCJ sensor
HA
Application
control kit
BUS
communication
circuit
Uv (U1) Uv (U2)
Indoor/Outdoor
communication
Uv (U1) Uv (U2)
Outdoor unit
– 44 –
Wireless remote
(Follower)
controller receiver
Receiving
P.C. board
Remote controller
Emergent
Power operation
circuit SW
DC5V
CPU
Function
setup SW
Receiving Display
circuit LED
Power
#2 #3
(Follower)
A B A B
Same
Same
as left
as left
Power
supply supply
Outdoor
Outdoor
unit
unit