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26
ENGLISH
Group Number setting
Group Number setting for Indoor Units
- Confirm the power of whole system(Indoor Unit, Outside Unit) is
OFF, otherwise turn off.
- The communication cables connected to CEN.A and CEN.B terminal
should be connected to central control of Outside Unit with care for
their polarity (A-A, B-B ).
- Turn the whole system on.
- Set the group and Indoor Unit number with a wired remote control.
- To control several sets of Indoor Units into a group, set the group ID
from 0 to F for this purpose.
Outside Units (External PCB)
Example) Group number setting
1
st
number indicate the group number
2nd number point out indoor unit number
SODU.B SODU.A IDU.B IDU.A CEN.B CEN.A DRY1 DRY2 GND 12V
B(D) A(C) BA
1 F
Group Indoor unit
Group recognizing the central controller
No.0 group (00~0F)
No.1 group (10~1F)
No.2 group (20~2F)
No.3 group (30~3F)
No.4 group (40~4F)
No.5 group (50~5F)
No.6 group (60~6F)
No.7 group (70~7F)
No.8 group (80~8F)
No.9 group (90~9F)
No. A group (A0~AF)
No. B group (B0~BF)
No. C group (C0~CF)
No. D group (D0~DF)
No. E group (E0~EF)
No. F group (F0~FF)
Cool & Heat selector
How to set the mode
Turn on DIP switch No.5 of the master unit PCB
Use ‘▶‘ and ‘◀‘ button to mark “Func” in the 7 seg-
ment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to mark “Fn1” in the 7 seg-
ment, and press ‘●‘ button.
Use ‘▶‘ and ‘◀‘ button to select one from “OFF”,
“op1”, “op2” in the 7 segment, and press ‘●‘ button.
Cool & Heat selection mode is set
Function setting
Switch control Function
Switch(Phase) Switch(Bottom)
OFF op1(mode) op2(mode)
Right Left Not operate Cooling Cooling
Right Right Not operate Heating Heating
Left - Not operate Fan mode Off
CAUTION
• Request the function settings to the installation specialist during
the outside unit installation.
• When the function is not used, set it to OFF.
• If use a function, first install a Cool & Heat selector.
!
Switch (Phase)
Switch (Bottom)
Left side
Right side
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