Toshiba RAV-HM561UTP Series Service Manual page 30

6-1-2. Connection of Wireless Remote Controller Kit
Indoor unit
#1 (Header)
R
Indoor control P .C. board (MCC-1643)
DC20V
DC5V
DC12V
× 4
Louver
motor
Drain
pump
Indoor
fan motor
Power circuit
DC280V
* Case of "1:1 model" connection interface (Option)
U3
Central controller
(Option)
U4
Wireless remote controller kit
Receiver P .C. board
Display LED
e c e v i e i c c r u t i
MCU
Buzzer
DC5V
Power Remote controller
circuit communication circuit
A B
Remote controller
communication circuit
Driver
Outside
output
Run
Warning
Defrost
Thermo. ON
COOL
HEAT
FAN
P .C. board
(MCC-1440)
TCC-LINK
communication circuit
F u n t c o i n s e u t p S W
EEPROM
TA sensor
TC sensor
TCJ sensor
MCU
Float input
HA
Serial send/
receive circuit
AC
synchronous
signal input circuit
1 2 3
1 2 3
Outdoor unit
- 30 -
#2 #3
(Follower) (Follower)
A B A
Same as left Same as left
∗2
1 2 3
Outdoor unit Outdoor unit
∗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.
B
∗2
1 2 3