Toshiba RAV-SM1401BT-E, RAV-SM1400AT-E, RAV-SM1101BT-E Indoor Unit Control, Indoor Control Circuit

8. INDOOR UNIT CONTROL

8-1. Indoor Control Circuit

	Main (Sub) master remote controller			Weekly timer
	Display	Function setup		Display	LCD
Max. 8 units are connectable.*1	LCD			LCD	driver
*1 Max. 7 units when network	CPU					Function setup
adapters are attached	Display	Key switch			CPU
	LED					Key switch
*2 Network adapters are attached
			CN2	CN1
to only one unit.				DC5V
*3 Weekly timer is not connectable		DC5V	*3
to the sub remote controller.	Remote controller	Power		Power	Secondary
	communication circuit	circuit		circuit	battery
Central control remote controller		Sold separatrly				Sold separatrly
(Sold separatrly)
Indoor unit					#2		#3
#1			A	B		B		B
					A		A

Network adapter (Sold separatrly)

Indoor control P.C. board (MCC-1402)

Network adapter P.C. board

(MCC-1401)

DC20V

Remote controller

Remote controller

communication

circuit

communication

DC12V

circuit

X

AI NET

DC5V

EEPROM

Y

communication

CPU

Same as

Same as

circuit

H8/3687

Humidifier

TA sensor

the left

the left

relay output

CPU

*2

*2

DC5V

TC sensor

Driver

H8/3039

Power circuit

Switch

Heater relay

setup

output

TCJ sensor

Float input

Transformer

Louver

Outside output

motor

Run Warning

Ready Thermo. ON

Cool Heat Fan

Drain

1

2

3

1

2

3

pump

AC

CPU

synchronous

TMP88CH47FG

signal input

Serialsend/

(TMP88PH47FG)

circuit

receive circuit

Indoor

Power

Outdoor

Outdoor

fan

circuit

unit

unit

motor

DC280V

Fan motor

control circuit

1 2 3

1 2 3

Outdoor unit

31