Win64, English

LG Electronics U.S.A., Inc.
LG VRF (Variable Refrigerant Flow) HVAC design tool.

General Usage Instructions

LG Air Conditioner Technical Solutions (LATS) CAD 2.0 is a fast and effective way to create drawing plans for your LG Air Conditioning Technologies systems.

You have separate tab for LATS on the Autodesk® AutoCAD® ribbon bar and this tab takes you to two menus for easily navigating various features of LATS.

Microsoft Office 64-bit is required for this app.



Ribbon/Toolbar Icon Command Command Description


Match Equipment Property: Synchronizes property information of selected equipment


Piping Equipment: Creates piping lines for refrigerant/drain pipe lines


Delete: Removes unwanted equipment and pipe material from the drawing area


Rotate: Turns the equipment in a desired direction


Copy: Duplicates an equipment or pipe material to a selected point


Annotation: Creates notes for equipment and pipe material


Move: Displaces equipment and piping from one location to another


Rotate: Turns the object 180 degrees


Control Wiring: Draws the control wire between indoor and outdoor units


Equipment Assignment: Aligns selected equipment in a user defined line


Auto Arrange: Automatically places a recommended number of indoor units throughout a selected room


Property Information: Shows the property values of selected equipment and riser holes


Wiring Remote Control: Draws the control wires between indoor units and control solutions


In order to install and uninstall this product, you will follow Window's usual installation/uninstallation method. When uninstalling, visit Control Panel -> Programs and Features -> Uninstall a program and follow the instructions on the uninstallation wizard.

More information on app usage available in LATS CAD Manual.

Additional Information

You can access learning materials (manuals and video tutorials) from (free sign-up required).

If you have trouble accessing the learning materials through the website above, please contact the software support.

Known Issues


Company Name: LG Electronics U.S.A., Inc.
Company URL:
Support Contact:

Author/Company Information

LG Electronics U.S.A., Inc.

Support Information

For support information, please contact the email below:

Joanne Kim

Version History

Version Number Version Description


Updated features: - Updated the software to reflect heat recovery unit rules - New models were added and discontinued models were deleted - Other miscellaneous bugs are fixed


Updated features: - Developed compatibility with AutoCAD 2020 - Updated the software to reflect heat recovery unit rules - New models were added and discontinued models were deleted - Other miscellaneous bugs are fixed


Updated features: - Compatibility with AutoCAD has been developed - ID tag prefixes for each equipment can be manually changed - Drawing check logic of Outdoor Air Unit with Heat Recovery systems has been updated - Service spaces of Multi V™ 1 Way Cassette and Multi V™ Ducted units have been updated - Added LATS agreement - New models are added and discontinued models are deleted - Miscellaneous bugs are fixed


Updated features: - Added the option of changing component block scales for control solutions models - Added the function of BD unit control line connection - Added the "Pipe Branch Information" window for Y-branches, headers and BD units - "Match Equipment Property" function can be applied for multiple components with accessories - "Master Building Information" window incudes capacities of the High Static Ducted models for each room - Riser hole colors can be changed by the user - Miscellaneous bugs are fixed


Updated features: - For Multi V Water products, “Match Equipment Property” function to apply on water information and room design temperature is updated - For Multi V Water products, heating/cooling capacity simulation is updated - Calculation logic of pipe lengths on Equipment Lists – By Floor is updated - Miscellaneous bugs are fixed
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