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New NewThis product is new and has never been used. It's in its original packaging, which has not been opened.
Weight
399 Pounds 399 PoundsTotal weight of the product and any included accessory/components. This total is not the shipping weight, as it does not include packing material, which may increase the overall shipping weight of this product.
Type
Ceiling Cassette
Product Line
Multi F
View More
Bundle Includes 14 items
(1) LG - 54k BTU - Outdoor Condenser - For 2-8 Zones (LMU543HV)
(4) LG 12,000 BTU Ceiling Cassette For Single/Multi-Zone w/o Grille (LCN128HV4-NG)
(1) LG 7,000 BTU Ceiling Cassette For Multi-Zone w/o Grille (LMCN078HV-NG)
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Features & Bundle Details
Features & Bundle Details
Overview for LG LMU543HV LMCN078HV 4-LCN128HV4
LG's devotion to providing efficient ductless solutions can be seen across the Multi F line. This ceiling cassette ductless heat pump system pairs a powerful LMU543HV outdoor condenser with very efficient ceiling cassette indoor units. LG's Multi F ceiling cassette indoor units feature four air outlets which allow them to provide consistent air flow to the farthest reaches of large rooms. In addition to providing excellent coverage, the ceiling cassette indoor units also feature an exceptionally low profile. When installed, a grille less than 1" thick is the only visible clue that your room is receiving efficient heating and cooling from a ductless heat pump system.
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 LMU543HV's heat exchanger, LG employs a Gold Fin coating that prevents corrosion and improves durability.
Quiet Design
Thanks to a brushless direct current fan motor, both the outdoor and indoor units in this system produce less mechanical and electrical noise, allowing them to provide comfort that doesn't disrupt your home.
Air Flow Options
There are three automated air flow options with LG's ceiling cassette indoor units: swing mode, Chaos Wind, and Swirl Wind mode. Any of these modes can be activated to provide optimal circulation specific to your home.
Jet Cool
These LG mini split indoor units feature a Jet Cool operation mode for rapid cooling. In this mode, an indoor unit observes a set point of 64 degrees Fahrenheit while the fan operates at maximum speed for 30 minutes to quickly cool your zone.
Swirl Wind Mode
Exclusive to ceiling cassette models is Swirl Wind, which automates both air flow direction and fan speed to produce steady comfort throughout any zone.
Automated Operation
Auto operation mode continually compares your zones' current and desired temperatures and uses that data to intelligently adjust fan speed and refrigerant flow to provide optimal comfort.
Sleep Mode
With the sleep mode and timer functions, you can set the indoor units to save energy at night. Sleep mode will incrementally adjust temperatures for an hour before the timer function automatically deactivates the units.
Condensate Protection
Condensate overflow can damage your indoor unit and your home. Internal condensate pumps with 27.5" of lift protect these indoor units through reliable, effective condensate removal.
Improved Air Quality
These mini split indoor units include anti-fungal filters to keep your air clean. These filters capture contaminants like dust and bacteria, and they are washable to ensure long term air quality.
Dehumidify
LG's multi-zone indoor units include a dehumidifying operation mode. In this mode, the unit's internal sensors monitor temperature and modify the set point and fan speed to remove moisture from the air.
Hot Start
When the hot start function is enabled on a mini split indoor unit, the fan will not engage until the outdoor condenser has had the opportunity to warm the indoor coil. This prevents the unit from blowing cold air during heating operations.
Supply Air Branch Duct Connections
LG cassette units feature designated cutouts for a branch duct, giving you the ability to duct up to 1/2 of the unit's airflow capacity to adjacent spaces.
Recommended line set sizes for indoor unit connectivity:
LMCN078HV: 1/4" x 3/8" Line Set
LCN128HV4: 1/4" x 3/8" Line Set (Qty 4)
Recommended line set size from outdoor unit to branch box:
LMU543HV: 3/4" x 3/8" Line Set
All LG branch boxes systems require a min of 16.4 feet of line set between the condenser and the branch box, from the branch box to the distribution box and from the distribution box to the indoor unit.
Product Note
Each indoor unit will include any port adapters necessary for multi-zone installation.This product requires the following accessories for installation:Line Set - This double insulated tubing transfers refrigerant efficiently between your outdoor condenser and indoor units.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.Base Pan Heater - The base pan heater prevents ice from building up on the outdoor unit. Excessive ice build will lead to performance issues and could damage your unit.Outdoor Condenser Plastic Pad or Wall Bracket - We recommend outdoor condensers should not be placed directly on the ground. An outdoor condenser pad or wall bracket will provide a stable way to mount your condenser free from obstructions and debris.Adding these accessories to your order will provide a complete, ready-to-install mini split system. All Mini Split Systems require one Primary Mini Split Installation Kit. You may also require one or more Secondary Installation Kits if you have a Multi-Zone system. You will need a Secondary Installation Kit for each additional indoor unit.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.
Operating Mode Operating ModeSome 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.
Heating and Cooling
Number of Zones Number of ZonesA zone is a room or area within a building that has its own temperature control.
5
Refrigerant Type
R-410A
Indoor Unit Size(s) Indoor Unit Size(s)Mini split systems can have one or more indoor units connected to a single outdoor unit. Indoor Unit Size(s) specifies what indoor unit sizes are used in a system. We have combined 6k and 7k indoor units to enhance searchability.
7 + 12 + 12 + 12 + 12
Outdoor Unit Size
54000 BTU
DOE Regional Compliance DOE Regional ComplianceIn 2015, the US Department of Energy broke the country into three regions - North, Southeast, and Southwest - and set legal standards for energy efficiency within each region.
Nationwide
Performance
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating Minimum Outdoor Temperature for HeatingThis 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.
-4 F
Minimum Outdoor Temperature for Cooling
14 F
SEER2 SEER2The U.S Department of Energy has raised the minimum rating requirements starting in 2023 that include updated testing conditions and metrics to better reflect real-world conditions. SEER2 (Seasonal Energy Efficiency Ratio) is a measurement of cooling efficiency over a typical cooling season. It is useful for comparing energy efficiency of cooling systems. The higher the SEER2, the more energy efficient the system.
20.6
EER2 EER2The U.S Department of Energy has raised the minimum rating requirements starting in 2023 that include updated testing conditions and metrics to better reflect real-world conditions. EER2 (Energy Efficiency Ratio) is a measurement of cooling efficiency under fixed conditions. It is useful for comparing units that will operate consistently under one set of conditions (e.g. server room). The higher the EER2, the more efficient the system.
12.6
HSPF2 HSPF2The U.S Department of Energy has raised the minimum rating requirements starting in 2023 that include updated testing conditions and metrics to better reflect real-world conditions. HSPF2 (Heating Seasonal Performance Factor) is a measure of heating efficiency for heat pumps. It is useful for comparing energy efficiency of heat pumps. The higher the HSPF2, the more efficient the system.
9.3
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Dimensions
Product Weight
399 Pounds
Shipping Weight
403 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
AHRI Certified
Yes
AHRI Reference Number
210529235
General Information
Type
Outdoor Condenser
Product Line
Multi F
Product Sub-line
MAX
Product Category
Mini Split System Components
Operating Mode Operating ModeSome 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.
Heating and Cooling
Maximum Number of Zones
8
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Installation Location
Outdoor
Branch Box Required Branch Box RequiredBy making a single connection to the outdoor condenser, a branch box can supply the right amount of refrigerant to multiple indoor units.
Yes
Performance
Cooling BTU
54000
Maximum Sound Level Maximum Sound LevelSound 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.
55 dB
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating Minimum Outdoor Temperature for HeatingThis 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.
-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 19/48 Inches
Product Depth
13 Inches
Product Weight
194 Pounds
Shipping Weight
218 Pounds
Certifications
AHRI Certified
Yes
Warranty Information
Parts Warranty Parts WarrantyA warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab.
5 Years
Compressor Warranty
7 Years
Overview
Product Category
Mini Split System Components
General Information
Type
Ceiling Cassette
Product Line
Multi F
Product Sub-line
Four-Way Ceiling Cassette
Operating Mode Operating ModeSome 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.
Heating and Cooling
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Remote Control
Wireless
Indoor Unit Size(s) Indoor Unit Size(s)Mini split systems can have one or more indoor units connected to a single outdoor unit. Indoor Unit Size(s) specifies what indoor unit sizes are used in a system. We have combined 6k and 7k indoor units to enhance searchability.
12
Installation Location
Indoor
Grille
Not Included
Required Grille Model
PT-UQC
Performance
Cooling BTU
12000
Cooling Capacity
12000 BTU
Maximum Air Flow
335 CFM
Minimum Air Flow
247 CFM
Minimum Sound Level
32 dB
Maximum Sound Level Maximum Sound LevelSound 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.
38 dB
Electrical Data
Phase
1
Frequency
60 Hz
Dimensions
Gas Connection Size
3/8 Inch
Liquid Connection Size
1/4 Inch
Product Height
8 7/16 Inches
Product Width
22 7/16 Inches
Product Depth
22 7/16 Inches
Product Weight
31 Pounds
Shipping Weight
40 Pounds
Certifications
UL Listed
Yes
ETL Listed
Yes
AHRI Certified
Yes
ISO Certified
Yes
Warranty Information
Parts Warranty Parts WarrantyA warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab.
5 Years
General Information
Type
Ceiling Cassette
Product Line
Multi F
Product Sub-line
Four-Way Ceiling Cassette
Operating Mode Operating ModeSome 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.
Heating and Cooling
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Remote Control
Wireless
Indoor Unit Size(s) Indoor Unit Size(s)Mini split systems can have one or more indoor units connected to a single outdoor unit. Indoor Unit Size(s) specifies what indoor unit sizes are used in a system. We have combined 6k and 7k indoor units to enhance searchability.
7
Installation Location
Indoor
Grille
Not Included
Required Grille Model
PT-UQC
Performance
Cooling BTU
7000
Cooling Capacity
7000 BTU
Maximum Air Flow
265 CFM
Minimum Air Flow
177 CFM
Minimum Sound Level
24 dB
Maximum Sound Level Maximum Sound LevelSound 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.
31 dB
Electrical Data
Phase
1
Frequency
60 Hz
Dimensions
Gas Connection Size
3/8 Inch
Liquid Connection Size
1/4 Inch
Product Height
8 7/16 Inches
Product Width
22 7/16 Inches
Product Depth
22 7/16 Inches
Product Weight
26 Pounds
Shipping Weight
31 Pounds
Certifications
UL Listed
Yes
ETL Listed
Yes
AHRI Certified
Yes
ISO Certified
Yes
Warranty Information
Parts Warranty Parts WarrantyA warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab.
5 Years
General Information
Type
Branch Box
Product Line
Multi F
Product Category
Mini Split Accessories
Ports Quantity
3
Performance
Maximum Port Capacity
24000 BTU
Maximum Total Port Capacity
72000 BTU
Electrical Data
Power Consumption
24 Watts
Phase
1
Frequency
60 Hz
Dimensions
Suction Connection Size
3/4 Inch
Liquid Connection Size
3/8 Inch
Line Set A Liquid Connection
1/4 Inch
Line Set A Gas Connection
3/8 Inch
Line Set B Liquid Connection
1/4 Inch
Line Set B Gas Connection
3/8 Inch
Line Set C Liquid Connection
1/4 Inch
Line Set C Gas Connection
3/8 Inch
Product Height
5 11/12 Inches
Product Width
9 41/48 Inches
Product Depth
11 13/16 Inches
Product Weight
15 Pounds
Shipping Weight
17 Pounds
Certifications
Country of Origin
Korea
Overview
Product Category
Mini Split Accessories
General Information
Type
Branch Box
Product Line
Multi F
Product Category
Mini Split Accessories
Ports Quantity
2
Performance
Maximum Port Capacity
24000 BTU
Maximum Total Port Capacity
48000 BTU
Electrical Data
Power Consumption
16 Watts
Phase
1
Frequency
60 Hz
Dimensions
Suction Connection Size
3/4 Inch
Liquid Connection Size
3/8 Inch
Line Set A Liquid Connection
1/4 Inch
Line Set A Gas Connection
3/8 Inch
Line Set B Liquid Connection
1/4 Inch
Line Set B Gas Connection
3/8 Inch
Product Height
5 11/12 Inches
Product Width
9 41/48 Inches
Product Depth
11 13/16 Inches
Product Weight
13 Pounds
Shipping Weight
15 Pounds
Certifications
Country of Origin
Korea
Overview
Product Category
Mini Split Accessories
General Information
Type
Grille
Product Line
Multi F
Product Sub-line
Four-Way Ceiling Cassette
Product Category
Mini Split Accessories
Installation Location
Indoor
Dimensions
Product Height
1 3/8 Inches
Product Width
24 19/48 Inches
Product Depth
24 19/48 Inches
Product Weight
6.3 Pounds
General Information
Type
Y-Branch
Product Line
Multi F
Product Category
Mini Split Accessories
Material
Copper
Dimensions
Suction Connection Size
3/4 Inch
Liquid Connection Size
3/8 Inch
Line Set A Liquid Connection
3/8 Inch
Line Set A Gas Connection
3/4 Inch
Line Set B Liquid Connection
3/8 Inch
Line Set B Gas Connection
3/4 Inch
Product Height
3 1/4 Inches
Product Width
13 19/24 Inches
Product Weight
2 Pounds
Certifications
Country of Origin
Korea
Overview
Product Category
Mini Split Accessories
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