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LMN078HVT Installation Guide

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Installation Manual
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.
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ELECTRICAL WIRING
Self Diagnosis Functions
5. Data
• Data Saving Start: Recording of real time data to a separate le created to be
stored on the user’s computer.
• Data Loading Start: Recorded data from a saved “.CSV” le can be loaded to
create an LGMV session.
6. Monitoring
• Electrical: The lower half of main screen is changed to show Inverter
Compressor Amps, Volts, Power Hz, Inverter control board fan Hz.
Figure 64: MV Control Indoor Units Screen
The software is available in a high version with all of the listed
features The low version has all features as the high version without
Target High Pressure and Target Low Pressure values shown on
main screen.
Instead of connecting to the outdoor unit, there is the option to
connect to an IDU with a USB to RS-485 connector kit. When
connected through an IDU, data recording is not available.
This software can be used to both commission new systems and
troubleshoot existing systems. LGMV data can be recorded to a
“.CSV” file and emailed to an LG representative to assist with
diagnostic evaluations.
Error Codes
LGMV software helps the service technician or commissioning agent
to troubleshoot system operation issues by displaying error codes
(Figure 65). These error codes can be seen on the main screen of
the LGMV software program. For an overview of unit error codes,
see Troubleshooting using Error Codes. For detailed information on
how to troubleshoot individual error codes, see the unit’s service
manual.
Figure 65: Error Code Screen
Recommended Minimum PC Configuration:
• CPU: Pentium
®
IV 1.6 GHz
• Main Memory: 1G
• Operating System: Windows
®
XP/Vista/7 32 bit (recommended), 64 bit
• Hard Disk: 600 MB when operating
• MS Ofce 2003, 2007 (recommended) for select reporting functions
LG Monitoring View (LGMV) Diagnostic Software and Cable - Continued
Note:
Images on these pages are examples of LGMV screenshots. Actual images
may differ depending on the version of the software and the unit installed.