Applied Control And Functions (Including Circuit Configuration); Indoor Controller Block Diagram; In Case Of Connection Of Wired (Simple) Remote Controller - Toshiba MMD-AP0726HP-E Service Manual

8. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION)

8-1. Indoor controller block diagram

8-1-1. In Case of Connection of Wired (Simple) Remote Controller

Indoor unit
#1 (Header)
PMV
Indoor
fan
motor
Reactor
Drain
pump
*Option
AMP Air Conditioning
Wired (Simple) header remote controller
(Up to 2 units)
Display LCD
Display LED
EEPROM
Indoor control P.C. Board
(MCC-1643)
DC20V
DC5V
DC12V
Outside output
Start/Alarm/Ready
Power
circuit
Fan IPDU
(MCC-1610)
MCU
Fan motor
control
circuit
DC5V
DC15V
Power
circuit
Noise filter
P.C. Board
(MCC-1551)
Function setup
Key switch
CPU
DC5V
Power
circuit
Remote controller
communication circuit
A B
Remote controller
communication circuit
TA sensor
TC1 sensor
MCU
TC2 sensor
Driver
TCJ sensor
Float input
communication
L N
U1
Power supply
1Φ 220-240V, 50Hz
1Φ 220V, 60Hz
Outdoor unit
Max. 8 units are connectable.
*1 The schedule timer cannot be connected to the simple wired
remote controller.
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Schedule timer
Display LCD
LCD driver
CN1
CN2
CPU
DC5V
* 1
Power
circuit
#2
(Follower)
A
EEPROM
Same
as left
HA
L N
BUS
Power
circuit
supply
Outdoor
U2
Indoor/Outdoor
communication
Function setup
Key switch
Secondary
battery
#3
(Follower)
B A B
Same
as left
U1 U2 U1 U2
L N
Power
supply
Outdoor
unit unit