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7. Electrical Wiring
NOTE:
The ring core needs to be installed on the transmission cable between the fixed wire clamp and
•
TB2, where additional insulation rubber is peeled off.
[Procedure]
Insert the transmission cable into the ring core as shown in the figure below before connecting to the
terminal board. Fix the cable and the ring core by using the band (accessory) in the electrical box.
7.5 DIP Switch Setting
1. Turn OFF all the power supplies to both
indoor and outdoor units before DIP
switch setting. Otherwise, the setting is
invalid.
2. The positions of the DIP switches on the
PCB are shown in the figure right. Open
the electrical box cover. After the DIP
switches are set, attach the electrical box
cover again.
3. Unit number setting (DSW6)
The indoor unit numbers of all indoor units are not required. The indoor unit numbers are set by the
auto-address function. If the indoor unit number setting is required, set the unit numbers of all indoor
units respectively and serially by the following setting position.
DSW6 (1st , 2nd digit) Unit number setting
Set the position
Set the position
Before delivery, the 1st and 2nd digit of
DSW6 are set to "0".
4. Region identification, human sensor and low air volume setting
DSW6 (4th digit), RSW1(Region Identification)
DSW6 (4th digit)
RSW1 (units digit)
Set the position
Set the position
ON
OFF
1
2
3 4
5 6
Before delivery, DSW6 and RSW1 are set according to
the region's requirement, and the a er-sales
replacement of PCB needs to be set according to
the region's requirement.
TB2
B
A
2
1
RCS
Transmission
ON
OFF
1 2 3 4 5 6
NA
DSW6
Insert a flat head screw
driver into the set
position in the trench
ON
OFF
1
2
3 4
5 6
Set No. 4 to OFF
RSW1
Set to "1"
Transmission Cable
Ring Core
DSW4
DSW4
DSW3
DSW9
DSW9
DSW5
DSW7
DSW7
No.1 Unit
No.2 Unit
DSW6 (3rd digit) Human sensor setting
Set the position
ON
OFF
1 2 3 4 5 6
Before delivery, the 3rd digit of DSW6 is
set to "0". Set the 3rd digit of DSW6 to "1"
when installing human sensor.
-18-
Band
DSW3
DSW6
DSW6
DSW5
No.4 Unit
No.3 Unit
air volume setting
DSW6 (6th digit) Low
Set the position
1 2 3 4 5 6
Before delivery, the 6th digit of DSW6 is
set to "0". Set the 6th digit of DSW6 to"1"
when setting low air volume.
ON
OFF
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