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<1-way Cassette (YH) Type, Floor Standing Type, Concealed Duct High Static Pressure Type,
Floor Standing Concealed Type, Floor Standing Cabinet Type>
RS
U1 U2
RS
U1 U2
DC5V
DC5V
CN2 CN1
DC5V
EEPROM
HA
CPU
CPU
DC5V
DC12V
DC20V
X
Y
AB A B AB
L NU1
U1 U2
U2
EEPROM
Main (sub) center remote controller (up to 2 units)
Power
supply
circuit
Function setting
Key switch
Remote controller
communication circuit
Display
LCD
Display
LED
*3
Weekly timer
Rechargeable
battery
LCD
driver
Display
LCD
Function setting
Key switch
Power
supply
circuit
Central
control
remote
controller
(optional)
(In case of
AI-NETWORK)
Indoor unit
#1
Network adaptor (optional)
Switch setting
Power supply circuit
Power supply circuit
Network
adaptor P.C.
board
(MCC-1401)
Remote controller
communication
circuit
AI-NET
communication
circuit
Transformer
Indoor control P.C. board (MCC-1403)
CPU
H8/3687
PMV
Louver
motor
Drain
pump
Indoor
fan
motor
*
Not applicable to
concealed duct high
static pressure type
* 1-way Type only
*
Not applicable to concealed
duct high static pressure type
*
Not applicable to 1-way
air discharge cassette
type (compact)
Driver
Remote
controller
communication
circuit
CPU
H8/3039
TA sensor
TCI sensor
TC2 sensor
TCJ sensor
Float input
In operation
Alarm
Getting ready
Thermostat ON
COOL
HEAT
FAN
AC
synchronization
signal input circuit
BUS
communication
circuit
External
output
Indoor/outdoor communication
Outdoor
unit
Power source
1Ø 220-240V, 50Hz
1Ø 220V, 60Hz
Outdoor
unit
Outdoor
unit
Power
source
Power
source
Sameas left
*2
Sameas left
*2
#2 #3
Up to 8 units can be
connected. *1
*1 Only up to 7 units if a
network adaptor is
installed with 2 main
(sub) remote controllers
connected.
*2 The network adaptor can
only be installed in one
unit.
*3 A weekly timer cannot
be connected to a sub
remote controller.
Fan motor
relay circuit
Transformer
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