Indoor Control Circuit; Indoor Controller Block Diagram; Connection Of Wired (Simple) Remote Controller - Toshiba RAV-GM561UT-E Service Manual

6. INDOOR CONTROL CIRCUIT

6-1. Indoor Controller Block Diagram

6-1-1. Connection of Wired (Simple) Remote Controller

Indoor unit
#1 (Header) ∗1
Indoor control P .C. board (MCC-1643)
Louver
motor
Drain
pump
Indoor
fan motor
Power circuit
DC280V
* Case of "1:1 model" connection interface (Option)
U3
Central controller
(Option)
U4
Wired ( simple ) m a t s r e e r
Display LCD
Display LED CPU
Remote controller
communication circuit
A B
DC20V
Remote controller
communication circuit
DC5V
DC12V
Driver
Outside
output
Fan motor
control circuit
Start/Alarm
P .C. board
(MCC-1440)
TCC-LINK
communication circuit
m o e t c o n r t l o e l ( r M a . x 2 u n t i ) s
Function setup
Key switch
CN2
CN1
DC5V
Power circuit
∗3
CPU
AC
synchronous
signal input circuit
1 2 3
1 2 3
Outdoor unit
– 24 –
Schedule
Display LCD LCD driver
CPU
DC5V
Power Secondary
circuit battery
#2
(Follower)
A
EEPROM
TA sensor
TC sensor
TCJ sensor
Same as left
∗2
Float input
HA
Wireless/
Occupancy
sensor
Application
control kit
Serial send/
1 2
receive circuit
Outdoor unit
Up to 8 units are connectable. 1
∗1 However Max.8 units are connectable in
case of mounting "1:1 model" connection interface
when two wired (simple) remote controllers are
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.
∗3 Connection of the schedule timer to the simple
remote controller is unavailable.
i t m r e
Function setup
Key switch
#3
(Follower)
B A B
Same as left
∗2
3 1 2 3
Outdoor unit