Controller; Overview; Electrical Specifications; Connecting To The Web Ui - LG ARND203DCR4 Installation Manual

CONTROLLER

Overview

All units are equipped with a fully programmed,
microprocessor-based controller that is responsible for
unit operation; monitoring 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 running Web UI software.
The controller also provides user feedback through an
optional handheld keypad/display (hardwired), or can be
connected to a building management system interface.

Electrical Specifications

The DOAS controller receives 24 VAC (CAREL) and
12VDC (LG) power from a transformer on the main
control panel, and is energized when the main
disconnect is on.

Connecting to the Web UI

To use the Web UI and to access the controller from a
computer, tablet, or smart phone connected to the local
area network resides, enter the controller'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® or
Chrome® browsers are supported
3. Type in IP address 192.168.1.101 (factory-
configured).
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Due to our policy of continuous product innovation, some specifications may change without notification.
Figure34: LG DOAS Controller (CAREL® + LG Controller
Figure35: Web User Interface
Figure36: Connecting to the Web UI
)
40