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LG LMU540HV
LG LMU540HV
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LG - 54k BTU - Outdoor Condenser - For 2-8 Zones
Model: LMU540HV
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5
Number of Reviews(15)
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$2,393.10
Was $2,659.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
In-Stock
Ships Monday, Dec 7th
Shipping to60601
Shipping Details
  • Lift Gate Service Available - Free Lift Gate Learn More
*We currently CANNOT ship this product to Canada or any destination outside of the United States
$399 / Month
Suggested monthly payments with 6 month financing.
Capacity (BTU/h) & Max Indoor Units
Available Add-Ons
FREE
Learn More
Lift Gate Service
All products weighing more than 100 lbs. ship via semi-truck. We recommend ordering the Lift Gate Service to safely lower the product to the curb. If you have a loading dock or forklift, you do NOT need a Lift Gate service. If you are a residential customer, you must have at least 2-4 able-bodied people present to unload the product. Learn More
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  • Product Description
  • 15
    Reviews
  • 1
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
+
Features
Features
    LG's devotion to providing efficient ductless solutions can be seen in their Multi F MAX outdoor condenser. The LMU540HV is a multi-zone mini split outdoor condenser capable of supplying ductless heating and cooling for up to eight rooms in your home. With inverter technology and nearly two dozen compatible indoor units in a variety of styles, the LMU540HV is a great choice for nearly any applications.
  • Inverter Technology
  • LG's outdoor condensers are designed with efficient inverter technology. An electronic expansion valve and a variable speed compressor carefully regulate the refrigerant flow, reducing energy consumption and allowing for consistent, accurate temperatures.
  • Gold Fin Protection
  • To ensure the reliability and longevity of the LMU540HV's heat exchanger, LG employs a Gold Fin coating that prevents corrosion and improves durability.
  • Low Ambient Operations
  • This outdoor unit supports cooling operations down to 14 degrees Fahrenheit and heating operations down to -4 degrees Fahrenheit. There is also a defrost feature, which removes frost from the condenser coil in frigid conditions.
  • Quiet Design
  • Thanks to a brushless direct current motor and a twin rotary compressor, the LMU540HV is significantly quieter than traditional air conditioning systems. These components reduce mechanical sound, electrical sound, and vibrations within the unit.
  • Product Compatible With
  • LG LMN Wall Mounted Mini Split Indoor Units
  • LG LSN Wall Mounted Mini Split Indoor Units
  • LG LMAN Wall Mounted Designer Mini Split Indoor Units
  • LG LAN Wall Mounted Designer Mini Split Indoor Units
  • LG LMCN Ceiling Cassette Mini Split Indoor Units
  • LG LMDN Concealed Duct Mini Split Indoor Units
  • LG LMHN Concealed Duct Mini Split Indoor Units
  • LG LMVN Vertical Air Handler Mini Split Indoor Units
  • Product Note
    This product requires at least two compatible LG mini split indoor units and the following accessories for installation:
    • Line Set - This double insulated tubing transfers refrigerant efficiently between your outdoor condenser and indoor units.
    • Branch BoxAn LG branch box is required to connect this condenser to LG mini split indoor units.
    • Drain Tubing - Drain tubing facilitates the reliable and effective removal of condensate from your system. It connects your indoor units to drain locations of your choosing.
    • Disconnect Box & Electrical Whip Kit - The Disconnect Box & Whip Kit provides a safe and simple way to connect your outdoor condenser to your fuse box.
    • Connecting Wire - This durable, insulated wire provides power to your indoor units from your outdoor condenser.
    • Outdoor Condenser Plastic Pad (Optional) - This pad provides an even surface, free of debris, on which to place your outdoor condenser.
    • Wall Bracket (Optional) - A simple and sturdy way to mount your outdoor condenser off of the ground.
    • Adding these accessories to your order will provide a complete, ready-to-install mini split system.


    LG products include a 10-year warranty with the requirement that installation is completed by a licensed contractor and that the product is registered at https://lg-dfs-warranty.com/ within 60 days of installation.
Specifications
General Information
Type
Outdoor Condenser
Product Line
Multi F
Product Sub-line
MAX
Operating Mode Learn More
Operating Mode
Some products are only capable of cooling, while others can either heat or cool a space. Some products heat via "heat pump" technology while others use electric heating elements. Learn More
Heating and Cooling
Maximum Number of Zones
8
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Installation Location
Outdoor
Branch Box Required Learn More
Branch Box Required
By making a single connection to the outdoor condenser, a branch box can supply the right amount of refrigerant to multiple indoor units. Learn More
Yes
UPC
048231367806
Performance
Cooling BTU
54000
Maximum Sound Level Learn More
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
56 dB
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating Learn More
Minimum Outdoor Temperature for Heating
This is the lowest rated outdoor temperature for heating operation. Because heat pumps rely on heat available in outdoor air, the amount of heat they are able to supply decreases with outdoor temperatures. Learn More
-4 F
Minimum Outdoor Temperature for Cooling
14 F
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Recommended Breaker Size
40 Amps
Dimensions
Maximum Line Length
475.7 Feet
Gas Connection Size
3/4 Inch
Liquid Connection Size
3/8 Inch
Product Height
54 17/48 Inches
Product Width
37 5/12 Inches
Product Depth
13 Inches
Product Weight
214 Pounds
Shipping Weight
236 Pounds
Certifications
ETL Listed
Yes
UL Listed
Yes
ISO Certified
Yes
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Compressor Warranty
7 Years
Features
Features
    LG's devotion to providing efficient ductless solutions can be seen in their Multi F MAX outdoor condenser. The LMU540HV is a multi-zone mini split outdoor condenser capable of supplying ductless heating and cooling for up to eight rooms in your home. With inverter technology and nearly two dozen compatible indoor units in a variety of styles, the LMU540HV is a great choice for nearly any applications.
  • Inverter Technology
  • LG's outdoor condensers are designed with efficient inverter technology. An electronic expansion valve and a variable speed compressor carefully regulate the refrigerant flow, reducing energy consumption and allowing for consistent, accurate temperatures.
  • Gold Fin Protection
  • To ensure the reliability and longevity of the LMU540HV's heat exchanger, LG employs a Gold Fin coating that prevents corrosion and improves durability.
  • Low Ambient Operations
  • This outdoor unit supports cooling operations down to 14 degrees Fahrenheit and heating operations down to -4 degrees Fahrenheit. There is also a defrost feature, which removes frost from the condenser coil in frigid conditions.
  • Quiet Design
  • Thanks to a brushless direct current motor and a twin rotary compressor, the LMU540HV is significantly quieter than traditional air conditioning systems. These components reduce mechanical sound, electrical sound, and vibrations within the unit.
  • Product Compatible With
  • LG LMN Wall Mounted Mini Split Indoor Units
  • LG LSN Wall Mounted Mini Split Indoor Units
  • LG LMAN Wall Mounted Designer Mini Split Indoor Units
  • LG LAN Wall Mounted Designer Mini Split Indoor Units
  • LG LMCN Ceiling Cassette Mini Split Indoor Units
  • LG LMDN Concealed Duct Mini Split Indoor Units
  • LG LMHN Concealed Duct Mini Split Indoor Units
  • LG LMVN Vertical Air Handler Mini Split Indoor Units
  • Product Note
    This product requires at least two compatible LG mini split indoor units and the following accessories for installation:
    • Line Set - This double insulated tubing transfers refrigerant efficiently between your outdoor condenser and indoor units.
    • Branch BoxAn LG branch box is required to connect this condenser to LG mini split indoor units.
    • Drain Tubing - Drain tubing facilitates the reliable and effective removal of condensate from your system. It connects your indoor units to drain locations of your choosing.
    • Disconnect Box & Electrical Whip Kit - The Disconnect Box & Whip Kit provides a safe and simple way to connect your outdoor condenser to your fuse box.
    • Connecting Wire - This durable, insulated wire provides power to your indoor units from your outdoor condenser.
    • Outdoor Condenser Plastic Pad (Optional) - This pad provides an even surface, free of debris, on which to place your outdoor condenser.
    • Wall Bracket (Optional) - A simple and sturdy way to mount your outdoor condenser off of the ground.
    • Adding these accessories to your order will provide a complete, ready-to-install mini split system.


    LG products include a 10-year warranty with the requirement that installation is completed by a licensed contractor and that the product is registered at https://lg-dfs-warranty.com/ within 60 days of installation.
Specifications
General Information
Type
Outdoor Condenser
Product Line
Multi F
Product Sub-line
MAX
Operating Mode Learn More
Operating Mode
Some products are only capable of cooling, while others can either heat or cool a space. Some products heat via "heat pump" technology while others use electric heating elements. Learn More
Heating and Cooling
Maximum Number of Zones
8
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Installation Location
Outdoor
Branch Box Required Learn More
Branch Box Required
By making a single connection to the outdoor condenser, a branch box can supply the right amount of refrigerant to multiple indoor units. Learn More
Yes
UPC
048231367806
Performance
Cooling BTU
54000
Maximum Sound Level Learn More
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
56 dB
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating Learn More
Minimum Outdoor Temperature for Heating
This is the lowest rated outdoor temperature for heating operation. Because heat pumps rely on heat available in outdoor air, the amount of heat they are able to supply decreases with outdoor temperatures. Learn More
-4 F
Minimum Outdoor Temperature for Cooling
14 F
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Recommended Breaker Size
40 Amps
Dimensions
Maximum Line Length
475.7 Feet
Gas Connection Size
3/4 Inch
Liquid Connection Size
3/8 Inch
Product Height
54 17/48 Inches
Product Width
37 5/12 Inches
Product Depth
13 Inches
Product Weight
214 Pounds
Shipping Weight
236 Pounds
Certifications
ETL Listed
Yes
UL Listed
Yes
ISO Certified
Yes
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Compressor Warranty
7 Years
Product Specs
+
Specifications
General Information
Type
Outdoor Condenser
Product Line
Multi F
Product Sub-line
MAX
Operating Mode Learn More
Operating Mode
Some products are only capable of cooling, while others can either heat or cool a space. Some products heat via "heat pump" technology while others use electric heating elements. Learn More
Heating and Cooling
Maximum Number of Zones
8
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Installation Location
Outdoor
Branch Box Required Learn More
Branch Box Required
By making a single connection to the outdoor condenser, a branch box can supply the right amount of refrigerant to multiple indoor units. Learn More
Yes
UPC
048231367806
Performance
Cooling BTU
54000
Maximum Sound Level Learn More
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
56 dB
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating Learn More
Minimum Outdoor Temperature for Heating
This is the lowest rated outdoor temperature for heating operation. Because heat pumps rely on heat available in outdoor air, the amount of heat they are able to supply decreases with outdoor temperatures. Learn More
-4 F
Minimum Outdoor Temperature for Cooling
14 F
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Recommended Breaker Size
40 Amps
Dimensions
Maximum Line Length
475.7 Feet
Gas Connection Size
3/4 Inch
Liquid Connection Size
3/8 Inch
Product Height
54 17/48 Inches
Product Width
37 5/12 Inches
Product Depth
13 Inches
Product Weight
214 Pounds
Shipping Weight
236 Pounds
Certifications
ETL Listed
Yes
UL Listed
Yes
ISO Certified
Yes
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Compressor Warranty
7 Years
Reviews
(15)
+
LG LMU540HV Reviews & Ratings
93% of Reviewers Recommend This Product
Product Q&A
(1)
+
Search Product Q&A's Answered by Chris, the eComfort Product Expert
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How do you connect 5 air handlers to the branch box?
Bobby I 
from Mississippi 
July 10, 2017
Answer
To connect more than 4 air handlers, you will need to use 2 branch boxes. You will need to purchase a PMBL5620 Distribution Pipe Assembly to connect the second branch box.
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