Applied Control And Functions (Including Circuit Configuration); Indoor Controller Block Diagram (Mcc-1643); In Case Of Connection Of Wired Remote Controller - Toshiba MMU-UP0031YHP-ETR Service Manual

7. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION)

7-1. Indoor controller block diagram (MCC-1643)

7-1-1. 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
Driver
Outside output
Start/Alarm
Fan motor
control circuit
Power
circuit
Power supply
220 - 240V ~, 50Hz
208 - 230V ~, 60Hz
- 29 -
Schedule timer
Function setup
Key switch
CN1
CN2
DC5V
Power
circuit
* 1
EEPROM
TA sensor
TC1 sensor
TC2 sensor
MCU
TCJ sensor
HA
Occupancy
sensor
Application
control kit
BUS
communication
circuit
L N
Uv (U1)
Uv (U1)
Outdoor unit
Display
LCD
LCD
driver
Function setup
CPU
Key switch
DC5V
Power Secondary
circuit battery
#2 #3
(Follower) (Follower)
A B A
Same
Same
as left
as left
Power Power
supply supply
Outdoor Outdoor
unit
Uv (U2)
Indoor/Outdoor
communication
Uv (U2)
B
unit