Toshiba RAV-HM561KRTP Series Service Manual page 28

7-1-2. Connection of Wireless Remote Controller
Indoor unit
#1 Header unit
Indoor control P.C.
board (MCC-1696)
Receiver and
Display P.C. board
(WP-033)
Display LED
Receiver unit
Louver
motor
Indoor
fan motor
Power circuit
DC280V
∗1 Up to 16 units (TU2C-Link) or 8 units (TCC-Link)
can be connected.
∗2 The "1:1 model" connection interface is mounted
to only 1 unit. "1:1 model"connection interface is
mounted to the header unit.
Central control
remote controller
(Sold separately)
U3
Central control
communication circuit
DC20V
DC12V
DC5V
Driver
Buzzer
Outside
output
Warning/
Defrost/
Thermo. ON/
Fan motor
COOL/HEAT/
control circuit
DC15V
U4 A B
Remote controller
communication circuit
MCU
Driver
Run/
AC
synchronous
signal input circuit
FAN
L1 L2 S
L1 L2 S
Outdoor unit
- 28 -
Follower unit
#2
A
EEPROM
TA sensor
Same as
the left
TC sensor
TCJ sensor
HA
Wireless remote
signal setting
(A/B)
Serial send/
receive circuit
1 2
Outdoor
unit
#3
B A B
Same as
the left
3 1 2 3
Outdoor
unit