The provided manual describes the LG Single Zone Wall Mounted Art Cool™ Premier air-source heat pump systems, designed for both residential and small business office buildings. These duct-free split systems offer efficient cooling and heating, with capacities ranging from 3/4 to 2 tons (9,000 to 24,000 Btu/h).
Function Description
The LG Art Cool Premier systems are inverter-driven, variable-speed heat pumps that provide individualized control of environmental conditions. They consist of an indoor wall-mounted unit and an outdoor heat pump unit. The inverter compressor modulates its speed to match the required room capacity, maintaining comfort levels and consuming less energy than conventional air conditioners. This allows for precise load matching and rapid adaptation to changing building loads, offering exceptional dehumidification and temperature control. The systems are designed for all-season use, providing both cooling and heating capabilities.
Important Technical Specifications
The product line includes models such as LA090HYV1, LA120HYV1, LA150HYV2, LA180HYV2, LA180HYV1, and LA240HYV1, paired with corresponding indoor units (LAN series) and controllers (AKB73835320, AKB74955602).
Capacities:
- Cooling Capacity (Min/Rated/Max): Ranges from 1,023 ~ 9,000 ~ 12,966 Btu/h (LA090HYV1) up to 3,070 ~ 22,000 ~ 30,000 Btu/h (LA240HYV1).
- Heating Capacity (Min/Rated/Max): Ranges from 1,023 ~ 11,000 ~ 20,472 Btu/h (LA090HYV1) up to 3,070 ~ 27,000 ~ 35,200 Btu/h (LA240HYV1).
Efficiency:
- EER: Ranges from 15.65 (LA090HYV1) to 12.50 (LA240HYV1).
- SEER: Ranges from 27.5 (LA090HYV1) to 22.00 (LA240HYV1).
- HSPF: Ranges from 12.0 to 12.5.
Operating Ranges:
- Outdoor Unit (Cooling): 14°F DB to 118°F DB (down to 0°F with optional Low Ambient Wind Baffle Kit).
- Outdoor Unit (Heating): -13°F WB to 65°F WB.
- Indoor Unit (Cooling): 53°F WB to 75°F WB.
- Indoor Unit (Heating): 60°F DB to 86°F DB.
- Indoor Temperature Setting Range: Cooling 64°F to 86°F, Heating 60°F to 86°F.
Electrical:
- Power Supply: 208-230V/60Hz/1Ph.
- MCA (Minimum Circuit Ampacity): Ranges from 11.2A (LA090HYV1/LA120HYV1) to 19.0A (LA150HYV2/LA180HYV2/LA180HYV1/LA240HYV1).
- MOP (Maximum Overcurrent Protection): 15A or 25A, depending on the model.
Refrigerant:
- Type: R410A.
- Control: Electronic Expansion Valve (EEV).
- Piping: Liquid line 1/4" or 3/8" OD; Vapor line 3/8" or 5/8" OD.
- Max Pipe Length: Up to 98.4 ft.
- Max Elevation Difference: Up to 65.6 ft.
- Additional Refrigerant Charge: 0.22 oz/ft or 0.38 oz/ft, depending on the model and pipe length.
Sound Levels:
- Indoor Unit (H/M/L/Sleep): As low as 25 dB(A) in sleep mode (LAN090HYV1/LAN120HYV1).
- Outdoor Unit: As low as 45 dB(A) (LAU090HYV1/LAU120HYV1).
Dimensions and Weight:
- Outdoor Units (LAU090HYV1, LAU120HYV1): 30-5/16" W x 21-1/2" H x 11-5/16" D, Net Weight 76.9 lbs.
- Outdoor Units (LAU150HYV2, LAU180HYV2, LAU180HYV1, LAU240HYV1): 34-1/4" W x 31-1/2" H x 12-5/8" D, Net Weight 121.3 lbs.
- Indoor Units (LAN090HYV1, LAN120HYV1): 34-7/16" W x 11-5/8" H x 9-1/4" D, Net Weight 24 lbs.
- Indoor Units (LAN150HYV2, LAN180HYV2, LAN180HYV1, LAN240HYV1): 42-15/16" W x 13" H x 9-13/16" D, Net Weight 34 lbs.
Usage Features
- Inverter Technology: Variable-speed compressor for quiet operation and energy efficiency, matching capacity to demand.
- Quiet Operation: Low sound levels for both indoor and outdoor units, with sleep mode for even quieter indoor operation.
- Comfort Control: Continuous monitoring of room temperatures and adjustment of fan speed and refrigerant flow to maintain set temperatures.
- Jet Cool / Jet Heat: Rapid cooling or heating function.
- Dehumidifying Mode: Helps reduce humidity levels.
- Auto Wind: Automatic adjustment of airflow direction.
- Auto Restart: Automatically resumes operation after a power outage.
- Auto Operation: System automatically selects the appropriate mode.
- Self-Cleaning Indoor Coil: Helps maintain coil cleanliness and efficiency.
- 3M™ Micro Protection Filter: Enhances indoor air quality.
- GoldFin™ Coating: Anti-corrosive coating on outdoor unit coil fins to prevent corrosion and maintain heat transfer properties. A hydrophilic coating further enhances water droplet shedding and ease of cleaning.
- Adaptable and Flexible: Minimal ductwork required, suitable for various residential and commercial environments. Long refrigerant piping lengths offer design flexibility.
- Controls: Includes wireless remote controller as standard, with options for simple controllers, LG Programmable Thermostat, dry contact, Wi-Fi module, and water level sensor connection.
- Airflow Control: Offers 5 steps for left/right airflow direction and 6 steps for up/down airflow direction, with auto swing functionality.
Maintenance Features
- Simplified Installation: Reduces mechanical and control system design time.
- Self-Diagnostics: Built-in diagnostic capabilities to identify system issues.
- Outdoor Unit Drain Pan Heater: Prevents condensate from freezing in cold climates.
- Outdoor Unit Drain Pan Heater: Prevents condensate from freezing in cold climates.
- Washable Anti-Fungal Filter: Easy to clean and maintain.
- LGMV (LG Monitoring View) Diagnostic Software and Cable: Allows service technicians to connect a computer to the outdoor unit's main PCB to view real-time data, error codes, and system parameters for commissioning and troubleshooting. This software can also record data for diagnostic evaluations.
- Easy Outdoor Unit Coil Cleaning: The hydrophilic coating on the GoldFin™ allows for easy cleaning with mild soap.
- Refrigerant Charging: Factory charged for standard line lengths, with clear guidelines for additional refrigerant charge based on extended piping.
- Isolation Ball Valves (Field-Provided): While not endorsed by LG, the manual acknowledges their use for simplifying future maintenance, with considerations for pressure drops and material suitability.
- Pipe Supports: Guidelines for properly supporting refrigerant piping to prevent sagging and oil traps, ensuring long-term system integrity.
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