LG KSSAL121A R32 Art Cool™ Deluxe Single-Zone Heat Pump System

Outdoor Unit (ODU): KUSAL121A

Indoor Unit (IDU): KNSAL121A

Performance

Cooling

Characteristic	Value
Cooling Capacity (Min~Rated~Max) (Btu/h)	3,070~12,000~14,100
SEER2	25.5
EER2	13.8

SEER - Seasonal Energy Efficiency Ratio, EER - Energy Efficiency Ratio

Heating

Characteristic	Value
Heating Capacity (Min~Rated~Max) (Btu/h)	3,070~13,000~20,000
HSPF2	11.2
Max. Heating @ Indoor 70°F DB
Outdoor 19°F DB / 17°F WB	16,820 (129%)
Outdoor 6°F DB / 5°F WB	14,700 (113%)
Outdoor -3°F DB / -4°F WB	14,000 (108%)
Outdoor -12°F DB / -13°F WB	13,000 (100%)
Outdoor -30°F DB / -31°F WB	9,100 (70%)

HSPF - Heating Seasonal Performance Factor

Nominal Test Conditions
Cooling: Indoor: 80°F DB / 67°F WB, Outdoor: 95°F DB / 75°F WB	Heating: Indoor: 70°F DB / 60°F WB, Outdoor: 47°F DB / 43°F WB

Electrical

Characteristic	Value
Power Supply (V/Hz/Ø)	208-230/60/1
MOP (A)	20.0
MCA (A)	15.0
Cooling Rated Amps (A)	10.4
Heating Rated Amps (A)	10.4
Compressor (A)	10.0
Fan Motor (IDU + ODU) (A)	0.4 + 0.4
Cooling Power Input (kW) (Min~Rated~Max @95°F) (kW)	0.200~0.870~1.600
Heating Power Input (kW) (Min~Rated~Max @47°F) (kW)	0.190~0.934~2.000

MOP - Maximum Overcurrent Protection, MCA - Minimum Circuit Ampacity

Piping

Characteristic	Value
Liquid Line (in., O.D.)	1/4 Flare
Vapor Line (in., O.D.)	3/8 Flare
Additional Refrigerant (oz./ft.)	0.16
Min. / Max. Pipe Length (ft.)²	9.8 / 65.6
Piping Length (no add'l refrig., ft.)	24.6
Max. Elevation (ft.)	39.4

Operating Range

Outdoor Unit

Characteristic	Value
Cooling (°F DB)	14 ~ 118
Heating (°F WB)	-31 ~ +65

Indoor Unit

Characteristic	Value
Cooling (°F WB)	53 ~ 75
Heating (°F DB)	60 ~ 86

System Data

Characteristic	Value
Refrigerant Type	R32
Refrigerant Control	EEV
Refrigerant Charge (lbs.)	2.54
ODU Sound Pressure (Cooling / Heating) (±1 dB[A])³	48 / 50
IDU Sound Pressure Cooling (H/M/L/SL) (±1 dB[A])³	42 / 35 / 27 / 21
Heating (H/M/L) (±1 dB[A])³	42 / 35 / 27
ODU Net / Shipping Weight (lbs.)	99.2 / 109.1
IDU Net / Shipping Weight (lbs.)	24.3 / 28.7
Heat Exchanger Coating	Gold Fin™

Fan

Characteristic	Value
ODU Type	Propeller
IDU Type	Cross Flow
Fan Speeds (Fan/Cool/Heat)	6 / 6 / 6
Quantity (ODU + IDU)	1 + 1
Motor/Drive	Brushless Digitally Controlled/Direct
ODU Max. Air Flow Rate (CFM)	1,730
IDU Air Flow Cooling, Max/H/M/L (CFM)	494 / 424 / 318 / 219
Heating, Max/H/M/L (CFM)	515 / 424 / 318 / 219
Dehumidification (pts./hr.)	3.59

Notes

Acceptable operating voltage: 187V-253V.
Piping lengths are equivalent.
Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
All communication / connection (power) cable from the outdoor unit to the indoor unit is field supplied and must be a minimum of four-conductor, 14 AWG, stranded, shielded or unshielded (if shielded, it must be grounded to the chassis of the outdoor unit only), and must comply with applicable local and national codes.
See Engineering Manual for sensible and latent capacities.
Power wiring cable size must comply with the applicable local and national code.
The indoor unit comes with a dry helium charge.
This data is rated 0 ft. above sea level, with 24.6 ft. of refrigerant line and a 0 ft. level difference between outdoor and indoor units.
Installation instructions in the applicable LG installation manual must be followed.

Features

Dual Vane / 4-Way Auto Swing
Cooling Only / Heating Only
Auto Restart / Auto Changeover
Humidity Sensor / Control
Jet Cool / Jet Heat
Inverter (Variable Speed Compressor)
Human Detection
Smart Diagnosis
Built-in Base Pan Heater
Built-in Wi-Fi via Smart ThinQ app
Low ambient cooling down to 14°F (0°F with Wind Baffle Kit)

Included Accessories

Wireless Remote Controller - AKB76044813

Optional Accessories

Low Ambient Wind Baffle (Cooling operation to 0°F) - ZLABGP03A

Controller Options

MultiSITEM CRC* Controllers
Simple Remote Controller
Standard III Remote Controllers
Deluxe Remote Controllers
Dry Contacts
PI-485
AC Smart 5 Central Controller
MultiSITE Communication Mgr.
LonWorks® Gateway
ACP 5 BACnet® Gateway
Remote Temperature Button Sensor

BACnet® is a registered trademark of ASHRAE. LonWorks® is a registered trademark of Echelon Corp.

ENERGY STAR®

Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR® criteria. For details, visit www.energystar.gov.

(ENERGY STAR and the ENERGY STAR mark are registered trademarks owned by the U.S. Environmental Protection Agency.)

AHRI CERTIFIED®

www.ahridirectory.org

Unitary Small HP, AHRI Standard 210/240

Certification applies only when the complete system is listed with AHRI.

Dimensional Diagrams

Outdoor Unit (ODU) - KUSAL121A Chassis (U24A)

This section describes the physical dimensions and key components of the outdoor unit, with measurements provided in inches (mm).

Overall Dimensions: The unit has a rectangular footprint, with various protrusions for connections and airflow.
Sump Heater: Located at the base of the unit.
Drain Hole: Approximately 6-025/32 inches (20 mm) in diameter.
Control Box: Positioned on one side, approximately 3-1/16 inches (78 mm) from the top edge.
Service Valve Cover: Located near the control box.
Piping Connections:

Liquid Pipe Connection (Flare): Located on the side, approximately 6-17/32 inches (166 mm) from the bottom.
Vapor Pipe Connection (Flare): Located adjacent to the liquid pipe connection, approximately 7-9/16 inches (192 mm) from the bottom.

Power and Communication Cable Access: Located on the side, approximately 4-19/32 inches (117 mm) from the bottom.
Air Outlet: A large circular opening on the top of the unit, approximately 20-9/32 inches (515 mm) in diameter, for air discharge.
General Views: Diagrams show the unit from multiple perspectives, including top, side, and front views, illustrating the placement of the fan, grilles, and connection points. The unit's height is approximately 23-1/16 inches (586 mm), width approximately 34-1/4 inches (870 mm), and depth approximately 15-3/16 inches (386 mm).

Indoor Unit (IDU) - KNSAL121A Chassis (S1)

This section details the physical dimensions and key components of the indoor unit, with measurements provided in inches (mm).

Overall Dimensions: The unit is designed for wall mounting, with a sleek, rectangular profile.
Air Intake Hole: Located on the top surface, approximately 32-11/16 inches (830.4 mm) long.
Air Outlet Hole: Located on the bottom surface, approximately 30-41/64 inches (778.3 mm) long.
Display & Remote Controller Signal Receiver: Positioned on the front face of the unit.
Drain Hose Connection: Located on the right side of the unit, approximately 5-17/64 inches (133.8 mm) from the bottom.
Terminal Block for Power Supply and Communication: Located on the right side, accessible for wiring.
Installation Plate: The unit mounts to an installation plate, with specific drilling hole dimensions provided (e.g., 10-5/32 inches (257.9 mm) between mounting points).
Refrigerant, Drain Pipe and Cable Routing Knock-Out Hole: Located on the back of the unit for routing connections.
Airflow Direction Indicators: Diagrams indicate airflow directions for both intake and outlet.
General Views: Diagrams provide front, side, and top views, showing the unit's slim profile and the location of various access points and connections. The unit's width is approximately 35-15/64 inches (894.9 mm), height approximately 12-1/8 inches (308.1 mm), and depth approximately 8-9/32 inches (210.3 mm).

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