SAMSUNG | 49
INSTALLATION
3
3-11. Controlling a Group
* You should adjust the option switches in the electrical component box or on the PCB of the wired remote controller.
* Before setting up the option switches, always make sure that you have turned off the main power.
* After adjusting the options, you should supply the power. Otherwise, the options will not be applied.
❑ With Wired Remote Controller
Œ
Connect the R1, R2 and R3 terminals in the wired remote controller to the
R1, R2 and R3 terminals in any indoor unit “A” each.
´
Connect the R1 and R3 terminals in the indoor unit “A” to the R1 and R3
terminals in another indoor unit “B”.
ˇ
Connect the R1 and R3 terminals of “B” to any indoor unit “C” and connect
the others as the same way.
¨
Adjust the rotary digital switch in the main PCB to the desired position
referring to the table below.
ˆ
Remove the CN20 connectors on the sub PCBs except the unit connected
with remote controller(Address 0).
Ø
Adjust the DIP switch No. 2 in the wired remote controller to “ON” position.
Controlling a Group
Unit A
Unit B
Unit C
CN20 Connector
0
1
2
3
4
5
6
7
One
Tw o
Three
Four
Five
Six
Seven
Eight
8
9
A
B
C
D
E
F
Nine
Te n
Eleven
Twelve
Thirteen
Fourteen
Fifteen
Sixteen
Switch No.
Number of
indoor unit(s)
Switch No.
Number of
indoor unit(s)
CAUTION
When connecting the cables, you must keep these :
• The R1 terminals must be connected to the R1s.
• The R3 terminals must be connected to the R3s.
• Do not connect the R2 terminals to anywhere.
If you connect R2 terminals, the PCB will be damaged.
You cannot install the centralized controller when the wired remote
controller for a group has already been installed.
Note
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