Network Addressing Di/Sdi And Vrf Systems - Toshiba RAS-107SKV-E5 Technical Handbook

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Service manual (104 pages)

Table Of Contents

Table of Contents

Definition of address

Indoor unit address

"Indoor unit address" This enables the outdoor unit to recognize each individual indoor unit.

An unique address is allocated to every indoor unit within a refrigeration system.

Line address

Code 12

Outdoor

Indoor unit

Remote

controller

Indoor unit

Code 13

address

Group address (VRF)

in case of DI/SDI, please refer to Address setup procedure (when using DI/SDI only or using DI/SDI and VRF) page 75

"Group address" This is the address that recognizes the group control and determines the header indoor unit and follower indoor unit.

Group address and the header indoor unit is decided automatically when the automatic address setting is performed.

(Which indoor unit becomes the header unit is indefinite when automatic address setting is performed.)

Indoor unit of individual control

Header indoor unit of group control : Group address = 1

Follower indoor unit of group control : Group address = 2

Line address

Code 12

Outdoor

Indoor unit

Remote

controller

Indoor unit

Code 13

ad dress

Group

Code 1 4

ad dress

Line address (System address)

"Line address" is the address in which the line (refrigerant system) indoor units are connected.

This line address is set by a switch setting on the interface P.C. board on the header outdoor unit Factory setting : Line address is '1'.

Line address

Code 12

Outdoor

Central control

device

Outdoor unit

Indoor unit

Remote

controller

Line

Code 12

address

Page 70 of 78

Header

Follower

0001

0002

0003

0004

: Group address = 0

Header

Follower

0001

Header Follower

0001

0002

0003

0004

0000

0001

0002

Individual

Group

control

Line 1

(Refrigerant system 1)

0001

Header

Follower

0001