Toshiba MMY-MAP0804FT7(Z), Service Manual, Page: 90 / 333

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6-1-2. When Wireless Remote Controller Kit Connected
<4-way Cassette Type> (MMU-AP
∗∗∗
2H)
MCU
MCU
DC5V
DC5V
MCU
EEPROM
MCU
DC 280V
DC5V
DC12V DC20V
X Y
AB
AB
AB
LN
U
1
U1
U2 U2
HA
RS
U1
U2
RS
U1
U2
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
T
ransformer
Indoor control P
.C. board (MCC-1570)
PMV
Louver
motor Drain pump
Indoor
fan
motor
×4
Fan motor
control circuit
Driver
Remote
controller
communication
circuit
T
A
sensor
TCI sensor
TC2 sensor TCJ sensor
Float input
*
Not applicable to concealed duct high static pressure type
In operation
Alarm
Getting ready Thermostat ON
COOL
HEA
T
FA
N
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 wireless remote controller kits connected.
*2 The
network
adaptor can only be installed in one unit.
Emergency operation SW
Wireless remote controller kit
Sensor P
.C. board
Power supply circuit
Remote controller communication circuit
Buzzer
Sensor circuit
Display LED
Function setting SW
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