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CONTROLLER
Overview
All DOAS units are equipped with a fully programmed, microproces-
sor-based controller that is responsible for unit operation; monitor-
ing inputs and regulating outputs to maintain unit operation. The
controller includes:
• Unit-specific controls sequence.
• Component safeties and alarms.
• Ethernet RJ-45 network port.
• MODBUS
protocol to connect to AC Smart and ACP
®
(Modbus is a registered trademark of Schneider Electric, licensed
to the Modbus Organization, Inc.).
• Points and system settings can be manipulated through a computer
operating Web UI software.
The controller also provides user feedback through an optional hand-
held keypad / display (hardwired), or can be connected to a building
management system interface.
Electrical Specifications
The DOAS controller receives 24 VAC (CAREL
power from a transformer on the main control panel, and is ener-
gized when the main disconnect is on.
CAREL is a registered trademark of CAREL INDUSTRIES in Italy and/or
other countries.
Connecting to the Web UI
To use the Web UI and access the controller from a computer, tablet,
or smart phone connected to the local area network, enter the con-
troller's IP address into the device's web browser.
1. Using a standard CAT5 Ethernet cable, connect the computer
to the controller at the Ethernet port connection as shown in the
figure.
2. Open a web browser (Internet Explorer
supported). (Internet Explorer is a registered trademark of Mic-
rosoft Corporation. Chrome is a registered trademark of Google
LLC.)
3. Type in IP address 192.168.1.101 (factory-configured).
64
) and 12 VDC (LG)
®
or Chrome
browsers are
®
®
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 58: LG DOAS Controller (CAREL + LG Controller).
Figure 59: Web User Interface.
Figure 60: Connecting to the Web UI.
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