64
ELECTRICAL WIRING
ENGLISH
Group Number setting
Group Number setting for Indoor Units
- Confirm the power of whole system(Indoor Unit, Outdoor Unit) is OFF, otherwise turn off.
- The communication cables connected to CEN.A and CEN.B terminal should be connected to
central control of Outdoor 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 pur-
pose.
Outdoor Units (External PCB)
Example) Group number setting
1
st
number indicate the group number
2
nd
number point out indoor unit number