31
Control Wiring Diagram
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
(10HP, 20HP)
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
(20HP)
IC
02 ~ 50
Add 1 to the address assigned to the
main unit in the same room.
NO
NO
MA
TB15
1
2
A1 B2
OC
TB3
TB7
E
A B
A B S
57
IC
MA
TB5-1
A B S
07
TB5-2
A B S
TB15
1
2
A1 B2
08
OC
TB3
TB7
E
A B
A B S
58
OC
TB3
TB7
E
A B
A B S
55
IC
TB5-1
A B S
05
L4
L38
Use CN41 as is.
Use CN41 as is.
Use CN41 as is.
✻
There is one indoor controller
board inside indoor unit.
m1
✻
There are two indoor controller
boards inside indoor unit.
L5
L6
m1
L37