Toshiba MMY-MAP0804FT7(Z), Service Manual, Page: 93 / 333

– 93 –
6-1-3. When Both Main (Sub) Remote Controller and Wireless Remote Controller Kit
Connected
<4-way Cassette Type> (MMU-AP
∗∗∗
2H)
MCU
DC 280V
MCU
MCU
DC5V
DC5V
DC5V
CN2
CN1
DC5V
MCU
EEPROM
MCU
MCU
DC5V
DC12V DC20V
X Y
AB
AB
AB
L
N
U1
U1
U2 U2
HA
R
S
U1
U2
R
S
U1
U2
EEPROM
W
eekly timer
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
Rechargeable battery
LCD
driver
Display
LCD
Function setting
Key switch
Power supply
circuit
Network adaptor (optional) Indoor unit
Switch setting
Power supply circuit
T
ransformer
Central
control remote
controller (optional)
Network
adaptor P
.C.
board
(MCC-1401)
Remote controller
communication
circuit
AI-NET
communication
circuit
#1
(In case of
AI-NETWORK)
Indoor control P
.C. board (MCC-1570)
PMV
Louver
motor Drain
pump
Indoor
fan
motor
×4
Power supply circuit
Fan motor
control circuit
T
A
sensor
TCI sensor TC2 sensor TCJ sensor
Float input
Driver
Remote
controller
communication
circuit
*
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
#2
#3
Sameas left *2
Sameas left *2
Up to 8 units can be connected. *1 *1
Only up to 7 units if a network adaptor is installed.
*2 The
network adaptor can only be installed in one unit.
*3 A
weekly
timer cannot be connected to a sub remote controller
.
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
AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk