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Setting Up Option Switches (Cont.)
Unit A
(Address 0)
Unit B
(Address 1)
Unit C
(Address 2)
CN20 Connector
CN20 Connector
Remove the CN20 connector in the sub PCB, if necessary, referring to the
table below. (This procedure is needed only when the user would like to
control a group by using the wired remote controller.)
Sub PCB in the Indoor Unit
◆ Up to 16 air conditioners can be controlled with one wired
remote controller.
◆ If the user does not want to control a group, do not remove the
CN20 Connector.
NN
N
o
o
t
t
e
e
0
1 - F
Connected
Removed
Address Situation of the CN20 Connector
PCB in the Wired Remote Controller
Adjust the DIP switch No.2 and/or No.4 to the desired position referring to
the table below.
Dip Switch(DS01)
1
2
3
4
Type of unit
Unit of temperature
Using wireless remote controller
Number of air conditioner(s) controlled
by the wired remote controller
Cooling only
O
F
Can be used
Group
controlling
Heat pump
O
C
Cannot be used
One indoor unit
controlling
Switch
No.
Option Item
Switch Position
ON OFF
E-54