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Display
LCD
Function setup
Display
LED
CPU
Remote
controller
communication
circuit
Remote
controller
communication
circuit
CPU
H8/3039
Driver
Remote
controller
communication
circuit
Key switch
Power
circuit
Power
circuit
Transformer
Switch
setup
DC5V
Display
LCD
LCD
driver
Function setup
CPU
Key switch
Power
circuit
Secondary
battery
DC5V
*
3
Same
as left
*2
CN2 CN1
#2 AB
L
U1 U2
N
L
AB
NU1 U2
U1 U2
Power
supply
Outdoor
unit
Same
as left
*2
#3 AB
L
U1 U2
N
Power
supply
Outdoor
unit
Network adaptor (Option)
Indoor unit
#1
*4
Central control
remote controller
(Option)
X
Y
(In case of AI-NETWORK)
Network
adaptor
P.C. board
(MCC-1401)
Indoor control P.C. board (MCC-1402)
DC5V
DC20V
DC12V
DC5V
DC280V
AI-NET
communication
circuit
CPU
H8/3687
PMV
Louver
motor
Drain
pump
Indoor
fan motor
None for Concealed
Duct type
EEPROM
TA sensor
TCI sensor
TC2 sensor
TCJ sensor
Float input
HA
BUS
communication
circuit
Outdoor unit
Power supply
1Ø220-240V, 50Hz
AC
synchronous
signal input
circuit
CPU
TMP88CH
47FG
(TMP88PH
47FG)
Fan motor
control circuit
Start
Alarm
Ready
Thermostat ON
COOL
HEAT
FAN
Indoor/Outdoor
communication
Outside
output
Power
circuit
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.
*4 Nome for high wall spearate
sold parts for under ceiling.
Wired remote controller
(Up to 2 units)
Weekly timer
*4
10. CONFIGURATION OF CONTROL CIRCUIT
10-1. Indoor Unit
10-1-1. Indoor Controller Block Diagram
4-way Air Discharge Cassette Type, Concealed Duct Standard Type,
Under Ceiling Type, High Wall Type, 1-way Air Discharge Cassette Type (2 Series),
Slim Duct Type
1. Connection of
wired remote controller