Indoor Unit Control; Indoor Control Circuit - Toshiba RAV-SM562KRT-E Service Manual

7-1. Indoor Control Circuit

Max. 8 units are connectable.*1
*1 When group and twin combination.
main remote controller shal be connected
follower indoor unit
*2 Weekly timer is not connectable to the
sub remote controller.
Central control
remote controller
( Sold separatrly )
Reciver and Display P.C board
(MCC-819)
Reciver unit
Display LED
Louver

7. INDOOR UNIT CONTROL

Main (Sub) master remote controller
(Wired)
Display
LCD
Display
LED
Indoor unit
#1 Header unit
Indoor control P .C. board (MCC-1510)
U3
U4
DC20V
DC12V
DC5V
Buzzer
motor
Indoor
Power
fan
circuit
motor
DC280V
DC15V
1 2 3
1 2 3
Outdoor unit
CPU
Function setup
Key swi tch
DC5V
Remote
controller Power circuit
communication
circuit
Sold separatrly
Central control
communication
circuit
Driver
Driver
Outside
output
Run
synchronous
Warning
signal input
Ready
circuit
Thermo. ON
Fan motor Cool
control Heat
circuit
Fan
– –
16
Weekly timer
Display
LCD
CN2 CN1
DC5V
2
*
Power Secondary
circuit battery
Follower unit
A B
EEPROM
Remote
controller
communication
circuit
TA sensor
CPU
TC sensor
H8/3039
TCJ sensor
HA
AC Serial
Wireless
send/ remote
receive signal
circuit
Setting
(A/B)
LCD
driver
Function setup
CPU
Key swit ch
Sold separatrly
#3
#2
A B A B
Same as Same as
the left the left
1 2 3 1 2 3
Outdoor Outdoor
unit unit