Table of Contents
Advertisement
Information: Connecting RS-485 of the ACP Lonworks
Up to 16 outdoor units can be connected to one RS-485 port of the ACP Lonworks, and up to 64
indoor units(In case of AHU Unit, up to 16 AHU units/In case of Chiller units up to 15 chiller units)
can be connected to one ACP Lonworks.
If there are many outdoor units to connect, the outdoor unit connections shall be appropriately
connected to CH1 to CH4 in BUS format.
Otherwise, the ACP Lonworks may malfunction.
The following is an example of dividing to CH1 and CH2 and connecting in BUS format.
ACP Lonworks
The next shows the wrong example (STAR connection) of RS-485 connection of the ACP Lonworks.
ACP Lonworks
CAUTION
!
• If a different type of connection is made other than BUS format as in the figure, the
product may malfunction. So be careful during the installation.
PLNWKB000
PLNWKB000
Installing ACP Lonworks
77
Advertisement
Table of Contents
