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MULTI V Water IV
9. Electrical Wiring
Group number setting for indoor units
1. Confirm the power of whole system(Indoor Unit, Outside Unit) is OFF, otherwise turn off.
2. The transmission lines connected to CEN terminal should be connected to central control of Outside unti with
care for their polarity( A
3. Turn the whole system on.
4. Set the group and Indoor Unit number with a wired remote control.
5. To control several sets of Indoor Units into a group, set the group ID from 0 to F for this purpose.
SODU
B
B
46
Heat Pump
A, B
B )
Outside Units
Terminal block on the main PCB
IDU
A
A
B(D)
Group recognizing the simple 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)
CEN
DRY1
B
A
A(C)
Installation of Outside Units
DRY2
GND
12V
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