Toshiba R410A Service Manual page 176

Indoor unit
#1
Network adaptor (Option)
Network
Remote
adaptor
controller
P.C. board
communication
(MCC-1401)
circuit
Central control X
AI-NET
CPU
remote controller
communication
H8/3687
(Option)
circuit
Y
DC5V
(In case of AI-NETWORK)
Power Switch
circuit setup
Transformer
PMV
Louver
motor
None for Concealed
Duct type
*3
Drain
pump
Indoor
fan motor
A B
Indoor control P.C. board (MCC-1402)
Remote
controller
communication
circuit
DC20V
DC12V
DC5V
CPU
H8/3039
Driver
Outside
CPU
output
TMP88CH
47FG Start AC
(TMP88PH Alarm synchronous
47FG) Ready signal input
Thermostat ON circuit
COOL
HEAT
Power Fan motor
FAN
circuit control circuit
DC280V
L N U1
Outdoor unit
Power supply
1Ø220-240V, 50Hz
Wireless remote
controller kit
Sensor P.C. board
Remote
EEPROM
controller
communication
Power
circuit
circuit
TA sensor
CPU
Buzzer
TCI sensor
TC2 sensor
Sensor Display
circuit LED
TCJ sensor
*3
Float input
None for
Concealed Duct
HA
BUS
communication
circuit
U2
Indoor/Outdoor
communication
U1 U2
#2 #3
A B A B
Emergent
operation
SW
Function
setup SW
Same Same
as left as left
*2 *2
U1 U2 U1 U2
L N L N
Power Power
supply supply
Outdoor Outdoor
unit unit
Max. 8 units are connectable. *1
*1 However in a case that the network
adaptor is installed when 2 wireless
remote controller kits are connected,
maximum 7 units are connectable.
*2 The network adaptor is installed to only
*3 Nome for high wall spearate
sold parts for under ceiling.
one unit.