Applied Control And Functions (Including Circuit Configuration); Indoor Controller Block Diagram (Mcc-1643); In Case Of Connection Of Wired Remote Controller - Toshiba MMU-UP0051MH-E(TR) Service Manual

8. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION)

8-1. Indoor controller block diagram (MCC-1643)

8-1-1. In case of connection of wired remote controller

Indoor unit
#1 (Header)
PMV
Louver
motor
Drain
pump
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 remote controller
(Up to 2 units)
Display LCD
Display LED CPU
EEPROM
Remote controller
communication circuit
A B
Indoor control P.C. board
(MCC-1643)
Remote controller
communication circuit
DC20V
DC5V
DC12V
Outside output
Start/Alarm
Fan motor
control circuit
Power
circuit
Power supply
220 - 240V ~, 50Hz
208 - 230V ~, 60Hz
Function setup
Key switch
CN1
CN2
DC5V
Power
circuit
* 1
Driver
MCU
communication
L N
Uv (U1)
Uv (U1)
Outdoor unit
– 51 –
Schedule timer
Display
LCD
LCD driver
Function setup
CPU
Key switch
DC5V
Secondary
Power
circuit battery
#2
(Follower)
A B
EEPROM
Same
TA sensor
as left
TC1 sensor
TC2 sensor
TCJ sensor
HA
Occupancy
sensor
Application
Power
control kit
supply
Outdoor
unit
BUS
circuit
Uv (U2)
Indoor/Outdoor
communication
Uv (U2)
#3
(Follower)
A B
Same
as left
Power
supply
Outdoor
unit