LG PQNFB17C1 Installation And User Manual page 117

Fixing the ACP BACnet to the wall
ACP BACnet can be installed by fixing to the wall. To install the ACP BACnet in an adequate place,
proceed according to the following explanation. It explains here on how to install the ACP BACnet
with the example of installing the ACP BACnet on the wall.
Decide the space to install the ACP BACnet. Before installing the ACP BACnet, check if it is
the adequate place to connect the ACP BACnet with the power, RS-485, and LAN cable.
Fix to the wall using the driver. It can be fixed as in the following figure according to the
location to install.
Connecting RS-485 cable to the ACP BACnet
After fixing the ACP BACnet in the installation place, RS-485 cable that was connected to PI485
shall be connected to the ACP BACnet. To connect RS-485 cable to the ACP BACnet, proceed as
the following order.
First, among the connectors that can be connected to the ACP BACnet, connect the end of
RS-485 cable connected to BUS-A of PI485 to Tx part. Next, connect the end of RS-485
cable connected to BUS-B of PI485 to Rx part.
RS-485 cable that was connected to PI485 shall be connected to CH port (RS-485 port) of
the ACP BACnet.
- Plug the connector connecting RS-485 cable into one of CH1 ~ CH4 ports.
- There are 1~6 CH ports, and it must be plugged into one of 1~4 ports for use.
PQNFB17C0
PQNFB17C0
Installing ACP BACnet
105