Toshiba RAV-SM304MUT-E Service Manual page 25

5-1-2. In Case of Connection of Wireless Remote Controller
Indoor unit
#1 (Heder)
Indoor control P.C. board (MCC-1402)
*
None for
Duct type
Louver
motor
Drain
pump
* Option for
Ceiling type
Indoor
fan motor
Power circuit
DC280V
∗ "1:1 model" connection interface
U3
Central remote
controller (Option)
U4
AMP Air Conditioning
Wireless remote controller
Receiver P.C. board (MCC-1504)
Display LED
Receive circuit
Buzzer
CPU
DC5V
Power Remote controller
circuit communication circuit
A B
DC20V
Remote controller
communication circuit
DC5V
DC12V
Driver
External
CPU
output
TMP88CH47FG
(TVP88PH47FG)
Run
Alarm
Defrost
Thermo. ON
COOL
Fan motor
HEAT
control circuit
FAN
(Option)
P.C. board
(MCC-1440)
TCC-LINK
communication circuit
Function setup SW
Temporary
operation SW
EEPROM
TA sensor
TC sensor
CPU
TCJ sensor
H8/3039
Float input
HA
Serial send/
receive circuit
AC
synchronous
signal input circuit
1 2 3
Up to 8 units are connectable. ∗1
∗1 However, if "1:1 model connection interface" is
connected when 2 wireless remote controllers are
connected, Max. 7 units are connectable.
1 2 3
∗2 Connect "1:1 model connection interface" to only
1 unit and connect 1 "1:1 model connection
interface" to the header unit.
Outdoor unit
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#2 #3
(Follower) (Follower)
A B A B
Same as left Same as left
∗2 ∗2
1 2 3 1 2 3
Outdoor unit Outdoor unit