Applied Control And Functions (Including Circuit Configuration); Indoor Controller Block Diagram; In Case Of Connection Of Wired (Simple) Remote Controller - Toshiba MMF-AP0156H-E (TR) Service Manual

7. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION)

7-1. Indoor controller block diagram

7-1-1. In Case of Connection of Wired (Simple) Remote Controller

Indoor unit
#1 (Header)
PMV
Louver
motor
Indoor
fan motor
DC
280V
Max. 8 units are connectable.
*1 The schedule timer cannot be connected to the simple wired
remote controller.
Wired(Simple) header 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 cicuit
Power
circuit
Power supply
1Ø220-240V, 50Hz
1Ø220V, 60Hz
Function setup
Key switch
CN1
CN2
DC5V
Power
circuit
* 1
MCU
Driver
communication
L N
Outdoor unit
– 26 –
Schedule timer
Display
LCD
LCD
driver
Function setup
CPU
DC5V
Secondary
Power
circuit
#2
(Follower)
A B
EEPROM
Same
TA sensor
as left
TC1 sensor
TC2 sensor
TCJ sensor
HA
U1 U2
L N
Power
supply
Outdoor
unit
BUS
circuit
U1 U2
Indoor/Outdoor
communication
U1 U2
Key switch
battery
#3
(Follower)
A B
Same
as left
U1 U2
L N
Power
supply
Outdoor
unit