INTRODUCTION | 5
Introduction
Due to our policy of continuous product innovation, some specications may change without notication.
© LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
LG Air Conditioner Technical Solution (LATS) Software
A properly designed and installed refrigerant piping system is critical to the optimal performance of LG air-conditioning systems. To assist
engineers, LG offers, free of charge, LG Air Conditioner Technical Solution (LATS) software—a total design solution for LG air conditioning
systems.
To reduce the risk of designing an improper applied system or one that will not operate correctly, LG requires that LATS software be used on all
projects.
Formats
LATS is available to LG customers in three user interfaces: LATS HVAC and LATS REVIT. LATS formats are available through
www.myLGHVAC.com, or contact an LG Sales Representative.
LATS HVAC is a Windows
®
-based application that aids engineers in designing LG Variable Refrigerant Flow (VRF), Multi F / Multi F MAX,
Single-Zone, and Energy Recovery Ventilator (ERV) systems.
*Windows
®
is a registered mark of Microsoft
®
Corporation.
LATS Revit integrates the LG LATS program with Revit
®
software**.
It permits engineers to layout and validate Multi V VRF systems
directly into Revit drawings.
**Revit
®
is a registered mark of Autodesk, Inc.
Features
All LG product design criteria have been loaded into the program,
making LATS simple to use: double click or drag and drop the com-
ponent choices. Build systems in Tree Mode where the refrigerant
system can be viewed. Switch to a Schematic diagram to see the
electrical and communications wiring.
LATS software permits the user to input region data, indoor and out-
door design temperatures, modify humidity default values, zoning,
specify type and size of outdoor units and indoor units, and input air
flow and external static pressure (ESP) for ducted indoor units.
The program can also do the following:
LG AIR CONDITIONER
TECHNICAL SOLUTION (LATS)
• Import building loads from a separate Excel file.
• Present options for outdoor unit auto selection.
• Automatically calculate component capacity based on design
conditions for the chosen region.
• Verify if the height differences between the various system
components are within system limits.
• Provide the correct size of each refrigerant piping segment and LG
Y-Branches and Headers.
• Adjust overall piping system length when elbows are added.
• Check for component piping limitations and flag if any parameters
are broken.
• Factor operation and capacity for defrost operation.
• Calculate refrigerant charge, noting any additional trim charge.
• Suggest accessories for indoor units and outdoor units.
• Run system simulation.
Features depend on which LATS program is being used, and the type of system being designed.
Figure 1: Example of a LATS Tree Diagram.
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