Configuration Of Control Circuit - Toshiba MMC-AP0157HP-E (TR) Service Manual

6-1. Indoor Unit
6-1-1. Indoor Controoler Block Diagram
1. Connection of wired remote controller
Indoor unit
#1 (Header)
PMV
Louver
motor
Drain
pump
Option
Indoor
fan motor
Max. 8 units are connectable.
*1 The schedule timer cannot be connected to the simple wired
remote controller.

6. CONFIGURATION OF CONTROL CIRCUIT

Wired (Simple) header remote controller
(Up to 2 units)
Display LCD
Display LED
EEPROM
communication circuit
Indoor control P.C. board
(MCC-1643)
DC20V
communication circuit
DC5V
DC12V
Outside output
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
Fan motor
control circuit
DC
280V
Power
circuit
Function setup
Key switch
CPU
DC5V
Power
circuit
Remote controller
A B
Remote controller
MCU
Driver
L N
Power supply
1Ø220-240V, 50Hz
1Ø220V, 60Hz
– 30 –
FILE NO. SVM-13085
Schedule timer
Display LCD
LCD driver
CN1
CN2
CPU
DC5V
* 1
Power
circuit
#2
(Follower)
A
EEPROM
TA sensor
Same
as left
TC1 sensor
TC2 sensor
TCJ sensor
Float input
HA
L N
Power
supply
Outdoor
BUS
communication
circuit
U1 U2
Indoor/Outdoor
communication
U1 U2
Outdoor unit
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