LG DOAS Installation And Operation Manual page 42

Dedicated outdoor air system
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START-UP
Web System Interface
Network Page
Configuring the BACnet Network
1. Login to the web user interface.
2. Navigate to the network page. If the unit has been properly
configured for BACnet, the network page will display the property
sheet for the BACnet network.
3. Select true from the Enabled drop-down menu.
4. Click the Save button.
Once the BACnet network is enabled, the unit needs to be
addressed properly in order to be accessed through the BACnet
network. There are two protocols that can be used to transfer BAC-
net network data; MSTP or IP. The MSTP protocol uses the RS-485
port on the front of the controller and an MSTP address. The IP
protocol uses the ethernet port and the IP address.
BACnet MSTP Addressing
The MSTP set-up for the BACnet network will require setting the MSTP network number, MSTP address and the appropriate baud rate.
Follow the instructions below to set the MSTP data.
1. Expand the BACnet Comm group (click the + next to BACnet Comm). The MSTP properties display.
2. Right-click Mspt Port, move the mouse to Actions and select Enable.
Figure 55: MSTP Port Properties
Either the MSTP Port or the IP Port can be enabled on the BACnet network, but they cannot both be enabled at the same time.
3. Enter the proper Network Number for the BACnet network in the Network Number field. The network number is determined by the
contractor integrating the unit into the BACnet network.
4. Enter the MSTP address.
5. Select the appropriate Baud Rate from the drop-down menu.
LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG Life's Good" is a registered trademark of LG Corp.
42
Due to our policy of continuous product innovation, some specifications may change without notification.
Figure 54: BACnet Network

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