Wiring and Address Setting
<a. Indoor/Outdoor transmission line >
Same as (2).
<b. Transmission Line for Centralized Control >
Same as (2).
<c. MA remote controller line >
✻
When grouping units that use different refrigerants, set MA remote controller of one of the indoor units as sub
controller.
[When grouping indoor units]
When grouping indoor units, connect 1 and 2 terminals of both IC terminal boards (TB15) with each other (non-
polar 2 line).
✻
Set MA remote controller of one of the indoor units as sub controller.
<d. Switch Setting >
Set the address as follows.
MA
remote
controller
Sub Controller
Main Controller
MA
MA
3
n/a
Main
Unit or Controller
Address
Setting Range
Steps
Factory
Setting
Setting Procedures
Indoor
Unit
Outdoor Unit
Main Unit
IC
OC
1
2
Remarks
51 ~ 100
Sub controller
01 ~ 49
00
00
Set the address for the controller at the
top of the indoor unit. Start with "01"
then use sequential odd numbers
(i.e.01, 03, 05).
Add 50 to the address assigned to the
indoor unit within the same refrigerant
system.
Use dipswitch to set the controller as
sub controller.
-
Sub Unit
IC
02 ~ 50
Add 1 to the address assigned to the
main unit in the same room.
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