Connection Of Both Wired Remote Controller And Wireless Remote Controller - Toshiba MMC-UP0181HP-UL Service Manual

8-1-3. Connection of both wired remote controller and wireless remote controller

Indoor unit
#1 (Header)
PMV
Louver
motor
Drain
pump
Option
Indoor
fan motor
DC
280V
Max.8 or 16 units are connectable.
(depending on connection system)
*1 The schedule timer can be connected
to only RBC-AMT∗∗∗.
Wired (Simple) header remote controller
Display LCD
EEPROM CPU
Display LED
Remote controller
communication circuit
A
Indoor control P.C. board
(MCC-1643)
DC20V
Remote controller
communication circuit
DC5V
DC12V
MCU
Driver
Outside output
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
Fan motor
control circuit
Power
circuit
L1
Power supply
1Ø208/230V, 60Hz
- 33 -
Function setup
Key switch
CN2
CN1
DC5V
Power
circuit
* 1
B
Remote controller
communication circuit
Power
EEPROM
circuit
DC5V
TA sensor
TC1 sensor
Buzzer
TC2 sensor
Receiving
TCJ sensor
circuit
Float input
HA
BUS
communication
circuit
L2 Uv(U1) Uv(U2)
Indoor/Outdoor
communication
U1 U2
Outdoor unit
Schedule timer
LCD
Display
LCD driver
Function setup
CPU
DC5V
Key switch
Secondary
Power
circuit battery
#2
Wireless remote
(Follower) (Follower)
controller kit
A B
Receiving
P.C. board
Emergent
operation
SW
CPU
Same
as left
Function
setup SW
Display
LED
U1U2
L2
L1 L1
Power
supply supply
Outdoor
unit
#3
A B
Same
as left
U1U2
L2
Power
Outdoor
unit