Basic wiring diagram: Case 2
Make sure the outdoor units are operating.
Perform the procedure for automatic address setting using the outdoor unit with the smallest address.
(See the sections on automatic address setting below.)
System 1 (W-Multi)
Outdoor
unit
1-1
Indoor
Indoor/
outdoor
control
cable
Remote
controller
Indoor
Set the indoor unit addresses using one of the following methods, depending on wiring confi gurations for the power
cables.
Case 1
If the power can be turned on separately for each refrigerant tubing system
Indoor unit addresses can be set without actually running the outdoor units (however, their power must be on).
(1) Select the
address) in the refrigerant tubing system for which you want to set addresses.
(2) Use the UP and DOWN keys to select the automatic address setting with heating operation (
(3) Press and hold the SET key for 1 second.
The setting in progress indicator (D052) light, and automatic address setting begins.
When the indicator turns off, automatic address setting is completed.
(4) Turn on the power for the next system (this system should be the only system turned on), and perform steps (1) to (3)
above.
(5) Repeat the above steps until automatic address setting is fi nished for all the indoor units.
Case 2
If the power cannot be turned on separately for each refrigerant tubing system
In this case, automatic address setting is performed with the indoor and outdoor units operating. Be sure to complete the
refrigerant tubing work and fuel piping work before setting the addresses.
Set S002 (VG) and S001 (STOP SW) on the outdoor unit control board to "NORM". If these switches are set to "OFF" or
"STOP", the engine will not start.
<Automatic address setting with heating operation>
(1) Turn on power to all systems.
(2) Select the
address) in the refrigerant tubing system for which you want to set addresses.
(3) Use the UP and DOWN keys to select the automatic address setting with heating operation (
(4) Press and hold the SET key for 1 second.
The setting in progress indicator (D052) light, and automatic address setting begins.
When the indicator turns off, automatic address setting is completed.
(5) Perform steps (2) to (4) above on the outdoor unit in the next system.
(6) Repeat the above steps until automatic address setting is fi nished for all the indoor units.
00̲M2̲TestRun̲All.indb 11
00̲M2̲TestRun̲All.indb 11
If the indoor/outdoor control cables are connected to other W-Multi units or
3 WAY multi outdoor units (linked wiring)
System 2 (W-Multi)
Outdoor
Outdoor
unit
unit
1-2
2-1
Indoor/outdoor
control cable
Indoor
Indoor
Indoor
Indoor
unit
unit
unit
unit
unit
Indoor/outdoor
Tubing
control cable
Indoor
Indoor
Indoor
Indoor
unit
unit
unit
unit
unit
(initial settings) menu item to display
(initial settings) menu item to display
System 3 (3 WAY Multi)
Outdoor
Outdoor
unit
unit
2-2
3
Indoor/outdoor
control cable
Tubing
Indoor
Indoor
Indoor
Indoor
unit
unit
unit
unit
Indoor/outdoor
Tubing
control cable
Indoor
Indoor
Indoor
Indoor
unit
unit
unit
unit
Connection cable for group remote control
Fig. 6
on the outdoor unit (with the smallest
on the outdoor unit (with the smallest
EN - 11
Indoor
Indoor
Indoor
unit
unit
unit
Indoor/outdoor
control cable
Indoor
Indoor
Indoor
unit
unit
unit
).
).
2012/03/05 15:37:33
2012/03/05 15:37:33