Toshiba RAV-SM1401BT-E, RAV-SM1400AT-E Network Adapter, Function, Microcomputer Block Diagram

12-2. Network Adapter

Model name: TCB-PCNT20E

12-2-1. Function

A network adapter is an optional P.C. board to connect the indoor unit to AI net (Central control remote controller).

12-2-2. Microcomputer Block Diagram

Remote controller

Indoor unit

			Optional communication P.C. board
	CN41		CN02	Remote			AI-NET	CN03
							communication
Indoor control				controller		MCU	circuit	Terminal
P.C. board				communication
CN309		Terminal		circuit				block
		block						(X.Y)
		(A.B)
AC220-			CN01					EEPROM
	Power			5V	5V
240V				power
	transformer					Network address
				supply
		AC14V
						setup switch

Central control remote controller

Network

Communication units: Total 64 units

Communication distance: 1km

12-2-3. Network Address Setup Switch (SW01)

No.	Item	Setup contents
1	LSB	1 2 3 4 5 6
		××× × × × : No.1 unit	× : Switch OFF
2
		〇××× × × : No.2 unit	〇 : Switch OFF
3	Central control address
		:
4
		〇〇〇 〇 〇 × : No.63 unit
5
		〇〇〇 〇 〇 〇 : No.64 unit
6	MSB
7	Setup availability from	Switch OFF : Setup available from remote controller
8	remote controller	Switch ON : Setup unavailable from remote controller

12-2-4. LED Display Specification

LED No.	Function	Go on	Go off
D01 (Red)	Communication status: Remote controller	During communication	No communication (including communication error)
D02 (Red)	Communication status: Center	During communication	No communication (including communication error)
D03 (Red)	Operation status of air conditioner	Running	Stop
D04 (Red)	Air conditioner error	Error	Normal

* For positions of LED, refer to P.C. board external view.

79