Toshiba SHRM R410A Quick Reference page 17

Address Setup Procedure
No central control:
Central control of 2 or more refrigerant lines:
When controlling a single refrigerant line
(Example)
Address setting
procedure
Outdoor
System wiring
Indoor
diagram
Remote
controller
Address setting procedure 1
1
Turn on indoor units first, and then turn on outdoor units.
2
About one minute after turning the power on, confirm that the 7-segment display on the interface P.C.
board of the header outdoor unit indicates U. 1. L08 (U. 1. flash) .
3
Push SW 15 to start the automatic address setting.
(It may take up to 10 minutes (normally about 5 minutes) to complete one line's setting.)
4
The 7-segment display indicates Auto 1 → → → → → Auto 2 → → → → → Auto 3 .
After the indication, U. 1. - - - (U. 1. flash) starts flashing on the display.
When the flashing stops and U. 1. - - - (U. 1. light) emain lit on the display, the setting is complete.
Interface P.C. board on the header outdoor unit
SW05
SW04
D600 D601 D602 D603 D604
SW01 SW02
5
When using a central control, connect a relay connector between [U1, U2] and [U3, U4] terminals.
REQUIREMENT
• When 2 or more refrigerant lines are controlled as a group, be sure to turn on all the indoor units in the group
before setting addresses.
• If you set the unit addresses of each line separately, each line's header indoor unit is set separately. In that
case, the CODE No. "L03" (Indoor header unit overlap) is indicated as running starts. Change the group
address to make one unit the header unit using wired remote controller.
centrally
To procedure 1
Outdoor
Central
remote
controller
Indoor
Indoor
Remote
Remote
controller controller
SW15
3
2,4
SW03
go to Address setting procedure 1
go to Address setting procedure 2
When controlling 2 or more refrigerant lines
Central
Outdoor
remote
controller
Indoor
Indoor
Remote
controller
Relay
connector
5
U1
centrally
To procedure 2
Central
Outdoor
remote
controller
Indoor
Indoor
Indoor
Remote Remote
controller controller
U2 U3 U4 U5 U6
TO
TO
TO
CENTRAL
INDOOR
OUTDOOR
CONTROL
UNIT
UNIT
LER
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