Installation Manual
Table Of Contents
- Safety Instructions
- Introduction
- Unit Nomenclature
- General Data
- Specifications
- Typical Multi F/Multi F Max Systems
- Refrigerant Piping Requirements
- General Installation Guidelines
- Inspection
- Refrigerant Piping
- Piping Materials and Handling
- Piping Preparation
- Piping Connections
- Piping Insulation
- Drain Piping
- Electrical Wiring
- Power Wiring Specifications and Best Practices
- Power Wiring Specifications and Best Practices/Controller Options
- Indoor Unit Electrical Connections Guidelines
- Indoor Unit Electrical Connections Procedure
- Self Diagnosis Functions
- LG SIMS - Self Diagnosis Functions
- Optional Wall-Mounted Sensor and Controller
- Troubleshooting
- Cautions for Refrigerant leaks
- Installation CHECKLIST
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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
LG SIMS - Self Diagnosis Functions
SIMs App Screens
Outdoor Info/
Component Screen
Displays the following
information:
• Frequency
• FAN1 RPM
• FAN2 RPM
• DC Link
• Current
• Voltage
• EEV Mode
• Restart Timer
• Comp Mode
• EEV
Indoor Info Tab
Displays the following
information:
• Frequency
• Operation
• THM Mode
• REM Mode
• FAN
• EEV
• Air Temp
• Pipe-in
• Pipe-mid
• Pipe-out
Graph Info Tab
This tab, has three sub
sections:
• IDU - Indoor Unit
Temperature graph.
Displays IDU
information in graph
format. Information
displayed is for the
IDU # selected on
the Main screen.
• ODU - Outdoor Unit
Temperature and
Frequency graph.
Displays ODU
information in graph
format.
• ODU Electric
- Outdoor Unit
Electric data graph
is displayed.
Outdoor Info/
Temperature Screen
Displays the following
information:
• Inv TD
• Suction
• Discharge
• Cond Mid
• Cond Out
• Heatsink
• Air Temp