Address Setting - Toshiba MMY-MAP0804FT8-E Installation Manual

9

Address setting

On this unit, it is required to set the addresses of the indoor units before starting air conditioning.
Set the addresses following the steps below.
CAUTION
• Be sure to complete the electric wiring before setting the addresses.
• If you turn on the outdoor unit before turning on the indoor units, the CODE No. [E19] is indicated on the 7-
segment display on the interface P.C. board of the outdoor unit until the indoor units are turned on. This is not a
malfunction.
• It may take up to ten minutes (normally about five minutes) to address one refrigerant line automatically.
• Settings on the outdoor unit are required for automatic addressing. (Address setting is not started simply by
turning on the power.)
• Running the unit is not required for address setting.
• The addresses can be set manually.
setting addresses using SW15 on the interface P.C. board on the header outdoor unit
Automatic addressing:
Manual addressing: setting addresses on the wired remote controller.
* When setting an address manually, the wired remote controller must temporarily be
paired with an indoor unit one-to-one. (when the system is organized for group
operation and no Remote controller)
REQUIREMENT
• High voltage parts exist in the electrical control box.
If you set addresses on an outdoor unit, operate the
unit through the access door shown on the illustration
on the right to avoid electric shock. Do not remove the
cover of electrical control box.
* After finishing operations, close the access door cover
and fix it with the screw.
 Automatic address setting
No central control (single refrigerant line):
Central control of 2 or more refrigerant lines:
When controlling a single refrigerant line
(Example)
centrally
Address setting
To procedure 1
procedure
Outdoor
Central
remote
controller
System wiring
Indoor Indoor
diagram
Remote
Remote
controller controller
45-EN
Access
Cover of the electrical
door cover
control box
go to Address setting procedure 1
go to Address setting procedure 2
When controlling 2 or more refrigerant lines
centrally
To procedure 2
Central
Outdoor Outdoor Outdoor
remote
controller
Indoor Indoor
Indoor Indoor Indoor
Remote Remote Remote Remote
controller controller controller controller
– 23 –
◆ 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
3
Press 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
After the indication,
When the flashing stops and
complete.
Interface P.C. board on the header outdoor unit
SW04 SW05
D600 D601 D602 D603 D604
SW01 SW02
Fixing screw for the
access door cover
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.
(Example)
System wiring
diagram
Central
remote
controller
Indoor
U. 1. L08 (U. 1. flash)
Auto 1 → Auto 2 → Auto 3
.
U. 1. - - - (U. 1. flash) starts flashing on the display.
U. 1. - - - (U. 1. light)
remain lit on the display, the setting is
SW15
3
2,4
SW03
Controlling 2 or more refrigerant lines as a group
Outdoor Outdoor
Indoor Indoor Indoor
Indoor
(Group control)
Remote
controller
.
46-EN