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LG Ceiling Cassette Mini Split Heat Pump System - Single-Zone - 9k BTU - 22.2 SEER2 - R-32
Model:
KSUDB091A
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Recommended Accessories

Expert Recommended Accessories
Selected by Ken, our Expert
Required Accessories
9
These accessories are required to properly setup/install this product.
Optional Accessories
10
Features
- Enhanced Connectivity
- LG's new R-32 mini split units use a 5-conductor cable (Not Included) instead of the standard 4-conductor, improving communication reliability and enabling a new leak detection feature.
- Inverter Technology
- LG's heat pump systems 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.
- Quiet Design
- The KNUDB091A indoor unit features a cross flow fan that restricts the pressure of air flow and lowers sound levels. Both the outdoor and indoor units enjoy reduced electrical and mechanical sound thanks to their brushless direct current fan motors.
- Gold Fin Protection
- To ensure the reliability and longevity of the KUSXB091A's heat exchanger, LG employs a Gold Fin coating that prevents corrosion and improves durability.
- Jet Cool
- This system features a Jet Cool operation mode for rapid cooling. In this mode, the indoor unit will temporarily adjust the set point and fan speed for 30 minutes to quickly cool your zone.
- Air Flow Options
- The KNUDB091A offers two automated air flow options: Swing Mode and Swirl Wind mode. Any of these modes can be activated to provide optimal circulation specific to your home.
- Sleep Mode
- With the Sleep Mode and Timer functions, you can set the indoor unit to save energy at night. Sleep Mode will incrementally adjust temperature for an hour before the Timer function automatically deactivates the unit.
- Condensate Protection
- Condensate overflow can damage your indoor unit and your home. An internal condensate pump with 27.5" of lift protects the KNUDB091A through reliable, effective condensate removal.
- Dehumidify
- LG's 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.
- Improved Air Quality
- The KNUDB091A features an anti-fungal filter to keep your air clean. This filter captures contaminants like dust and bacteria, and it is washable to ensure long term air quality.
- 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.
- 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.
LG's devotion to providing efficient ductless solutions can be seen across their entire catalog. LG's Four-Way Ceiling Cassette systems, such as this KSUDB091A, have several advantages over wall mounted systems. By recessing the KSUDB091A indoor unit, a 1.5" thick grille is the only part of the equipment that stays visible. Unobtrusive comfort isn't the only advantage of a ceiling cassette; with four air flow directions, the KSUDB091A provides excellent coverage for large zones. If you're looking for a low-profile alternative to wall mounted ductless heat pump systems, LG's Four-Way Ceiling Cassettes are a great choice.
Product Includes
Product Note
This product requires the following accessories for installation:
Specifications
Product Includes
KSUDB091A

General Information
Type
Ceiling Cassette
Product Line
Four-Way Ceiling Cassette
Product Category
Mini Split Heat Pump System
Operating Mode
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
Number of Zones
Number of Zones
A zone is a room or area within a building that has its own temperature control.
1
Refrigerant Type
R-32
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.
9
Outdoor Unit Size
9000 BTU
DOE Regional Compliance
DOE Regional Compliance
In 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. Learn More
Nationwide
Line Set Size
1/4" x 3/8"
Performance
Cooling BTU
9000
Cooling Capacity
9000 BTU
Heating Capacity
11000 BTU
Maximum Sound Level
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
36 dB
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating
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
5 F
SEER2
SEER2
The 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.
22.2
EER2
EER2
The 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.
13.9
HSPF2
HSPF2
The 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.
10.0
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Minimum Circuit Ampacity
13.4 Amps
Recommended Breaker Size
15 Amps
Dimensions
Suction Connection Size
3/8 Inch
Liquid Connection Size
1/4 Inch
Product Weight
103.4 Pounds
Shipping Weight
113.4 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
AHRI Certified
Yes
KUSXB091A
General Information
Type
Outdoor Condenser
Product Category
Mini Split System Components
Operating Mode
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
1
Multi-Zone Compatible
No
Refrigerant Type
R-32
Installation Location
Outdoor
Base Pan Heater Included
No
Performance
Cooling BTU
9000
Cooling Capacity
9000 BTU
Heating Capacity
11000 BTU
Maximum Sound Level
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
51 dB
Low Ambient Heating
Yes
Minimum Outdoor Temperature for Heating
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
5 F
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Minimum Circuit Ampacity
13.4 Amps
Recommended Breaker Size
15 Amps
Dimensions
Maximum Line Length
65.6 Feet
Gas Connection Size
3/8 Inch
Liquid Connection Size
1/4 Inch
Product Height
21 1/2 Inches
Product Width
30 5/16 Inches
Product Depth
11 19/48 Inches
Product Weight
75 Pounds
Shipping Weight
79.4 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
AHRI Certified
Yes
Warranty Information
Parts Warranty
Parts Warranty
A 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. Learn More
5 Years
Compressor Warranty
7 Years
KNUDB091A-NG
General Information
Type
Ceiling Cassette
Product Line
Multi F
Product Sub-line
Four-Way Ceiling Cassette
Product Category
Mini Split System Components
Operating Mode
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
Multi-Zone Compatible
Yes
Refrigerant Type
R-32
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.
9
Installation Location
Indoor
Grille
Not Included
Required Grille Model
PT-QAGW0
Performance
Cooling BTU
9000
Cooling Capacity
9000 BTU
Heating Capacity
10400 BTU
Moisture Removal
1.5 Pints/Hour
Maximum Air Flow
300 CFM
Minimum Air Flow
230 CFM
Minimum Sound Level
30 dB
Maximum Sound Level
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
36 dB
Electrical Data
Voltage
208/230 Volts
Phase
1
Frequency
60 Hz
Dimensions
Gas Connection Size
3/8 Inch
Liquid Connection Size
1/4 Inch
Product Height
8 5/48 Inches
Product Width
22 7/16 Inches
Product Depth
22 7/16 Inches
Product Weight
28.4 Pounds
Shipping Weight
34 Pounds
Certifications
CSA Listed
Yes
AHRI Certified
Yes
Warranty Information
Parts Warranty
Parts Warranty
A 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. Learn More
5 Years
PT-QAGW0
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
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LG Ceiling Cassette Mini Split Heat Pump System - Single-Zone - 9k BTU - 22.2 SEER2 - R-32






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