Applied Control And Functions (Including Circuit Configuration); Indoor Control Block Diagram; In Case Of Connection Of Wired (Simple) Remote Control - Toshiba MMD-AP0721HP-UL1 Service Manual

8. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION)

8-1. Indoor control block diagram

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

Indoor unit
#1 (Header)
PMV
Application
UART
control
commnucation
P.C.Board
circuit
Fan motor
Indoor
control
fan
motor
circuit
DC15V
Power
Reactor
circuit
Noise filter
P.C. Board
(MCC-1551)
Wired (Simple) header remote control
(Up to 2 units)
Display LCD
Display LED
EEPROM
Remote control
communication circuit
A
Indoor control P.C. Board
(MCC-1643)
DC20V
Remote conrol
communication circuit
UART
commnucation
circuit
DC5V
Driver
DC12V
Outside output
Start/Alarm/Ready
Power
circuit
Power supply
MCU
1Φ 208 / 230V, 60Hz
DC5V
Fan IPDU
(MCC-1610)
Function setup
Key switch
CPU
CN2
DC5V
Power
circuit
B
EEPROM
TA sensor
TC1 sensor
MCU
TC2 sensor
TCJ sensor
HA
BUS
communication
circuit
U2
L1 L2 U1
Indoor/Outdoor
communication
Outdoor unit
Max. 8 units are connectable.
*1 The schedule timer cannot be connected to the simple wired
remote control.
- 21 -
Schedule timer
Display LCD
LCD driver
CN1
Function setup
CPU
Key switch
DC5V
* 1
Power Secondary
circuit battery
#2
(Follower)
A B
Same
as left
U1 U2
L1 L2
Power
supply
Outdoor
unit
#3
(Follower)
A B
Same
as left
U1 U2
L2
L1
Power
supply
Outdoor
unit