Configuration Of Control Circuit - Toshiba Super MMU-AP0092H Service Manual

7. CONFIGURATION OF CONTROL CIRCUIT

7-1. Indoor Unit
7-1-1. Indoor Controller Block Diagram
1. Connection of wired remote controller
Indoor unit
#1
Network adaptor (Option)
Network adaptor
P.C. board (MCC-1401)
Remote controller
communication circuit
CPU
DC5V
Power circuit Switch setup
Transformer
PMV
Louver
motor
Drain
pump
Indoor
fan motor
Max. 8 units are connectable. *1
*1 However in a case that the network adaptor is installed
when 2 remote controllers are connected, maximum
7 units are connectable.
*2 The network adaptor is installed to only one unit.
*3 The weekly timer cannot be connected to the simple wired
remote controller.
Wired remote controller (Up to 2 units)
Display LCD
Display LED
EEPROM
Remote controller
communication circuit
Indoor control P.C. board
(MCC-1570)
Remote controller
communication circuit
DC20V
DC5V
DC12V
Outside output
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
CPU
Fan motor
control circuit
DC
280V
Power
circuit
Function setup
Key switch
CPU
CN2
DC5V
Power
circuit
A B
CPU
Driver
AC synchronous
signal input circuit
L N
Power supply
1Ø220-240V, 50Hz
1Ø220V, 60Hz
62
Schedule timer (in weekly timer mode)
Weekly timer
Display LCD
LCD driver
CN1
Function setup
CPU
DC5V
* 3
Power Secondary
circuit
#2
A B
EEPROM
TA sensor
Same
as left
TC1 sensor
*2
TC2 sensor
TCJ sensor
Float input
U1 U2
HA
L N
Power
supply
Outdoor
unit
BUS
communication
circuit
U1 U2
Indoor/Outdoor
communication
U1 U2
Outdoor unit
Key switch
battery
#3
A B
Same
as left
*2
U1 U2
L N
Power
supply
Outdoor
unit