LG
LG Compressor
LG pioneers a range of energy-efficient compressors for HVAC-R and industrial systems. The Magnetic Bearing Centrifugal Chillers deliver a remarkable 77% higher efficiency than conventional units. They achieve complete oil-free operation (ISO 0 certified) and offer stepless control from 10 to 100%. The Multi V IV VRF Scrolls (8-88 HP) achieve an exceptional IPLV(C) of up to 7.85. This series is engineered for challenging applications, featuring dual-injection heating for operation down to -20°C and support for piping runs up to 225 meters. The DUAL Inverter Rotary Compressors reduce energy consumption by up to 70% and accelerate cooling cycles by 40%. The reliability of all our compressors is underscored by a robust 10-year warranty.
Who Delivers the Best Refrigeration Compressors on a Global Scale? We Do. - LG Refrigeration Compressors
Who is A&S? Learn about the full 5-star process of getting our compressors from the factory to you
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Homes Brewery Core Services
We provided Homes Brewery with full-process refrigeration system technical support, focusing on fermentation temperature control (±0.3°C), dry-hop aroma retention (up to 21%), and energy optimization (saving over $32,000 in annual electricity bills). Through intelligent component upgrades (electronic expansion valves/PT1000 sensors) and preventative maintenance, we ensure consistent beer flavor from batch to batch and extend equipment life by 40%.
Phase 1: Basic Component Replacement (0 Production Stoppage)
Deploy the PT1000 sensor and EEV valve body overnight → Connect a temporary controller to verify accuracy
Install the capacitor filter and pressure switch over the weekend
Phase 2: Core System Integration (1-day production stoppage)
1. Cutting Area: Oil Cooler Circulation 2 (Cutting Fluid Cooling) + Double-Wall Piping
2. Entire Workshop: Waste Heat Recovery Piping Installation
3. Rest Area: Absorption Chiller Installation
Phase 3: Intelligent Operations and Maintenance
Cloud-based monitoring platform: Real-time tracking of component health (e.g., coil impedance/capacitor capacity).
Predictive maintenance: Early warning of contact aging based on relay actuation frequency.
Electronic Expansion Valves (EEV) & Coils:
Model: Danfoss ETS 2.0 (stepper motor drive, regulation accuracy ±0.1°C)
Function:
Dynamic adjustment of opening (range 0-100%) based on superheat, saving 18% energy compared to thermal expansion valves.
Coil temperature resistance up to 150°C (Class H insulation), preventing motor burnout.
Application: Fermentation tank cooling circuit (independent EEV control for each tank)
VFD Motors & Contactors:
Motor: Siemens 1LE8 series (IE5 energy efficiency, 5% efficiency increase vs. IE3).
Contactor: ABB A series (1 million cycles mechanical life, surge current resistance).
Control Logic:
Compressor speed is linked to the fermentation stage (e.g., 100% during main fermentation → 40% during ripening).
Soft start function (adjustable ramp-down time 0.5-30 seconds) reduces mechanical shock.
(DCS):
Architecture:
A main PLC (Siemens S7-1200) coordinates all EEVs/variable frequency motors/sensors.
Redundant relays (Omron G7L) ensure seamless failover in the event of a fault.
Algorithm:
Fuzzy PID control of fermentation temperature (to prevent heat shock to yeast metabolism).
Automatically adjusts the cooling curve based on the hop addition phase (e.g., dry hop phase → -1°C quench).
Energy recovery module:
Components: Transformer (380V → 24V DC) powers sensors/EEVs.
Heat Recovery:
Compressor waste heat is used to preheat saccharification water (60°C → 78°C) via plate heat exchangers.
Annual gas savings: $8,500 (based on eight batches per day).
Component Redundancy and Failure Protection:
Relay Redundancy: Dual relays in parallel for critical circuits (one active, one backup).
Dual Pressure Switch: Dual high/low pressure switches prevent false triggering (±0.3 bar tolerance).
Capacitor Backup: Controller capacitor bank with a 2-hour battery life (to mitigate grid outages).
Why Shop for Compressors at "A&S Aerodynamic"
Here at A&S Aerodynamic, we offer a wide range of refrigeration compressors from various brands and models. Our products are sourced from reputable brands in the industry, so you can be sure they’re made to fit OE specifications.
1. Before shipping, we will send you photos of the actual product for your confirmation ( eg. nameplate, appearance, and report).
2. The product comes with a 1-year manufacturer warranty policy and 3-year in-house warranty.
3. If the product is damaged during transportation or cannot be repaired due to non-human-caused within 1 year, no return, we will directly refund or resend the new product.
4. For select items, we will include a repair kit ( Special Needs Customer Service ).
5. Enjoy a worry-free experience throughout the entire process. Feel free to request quotes and place orders with confidence, we will provide 5-star service until you are satisfied.
6. Shipping and Taxes: See Quotation.
Need your compressors as soon as possible? Don’t worry; our warehouses are strategically located across the country to ensure fast, efficient shipping. Our primary strength lies in supply capability. Whether it's OEM manufacturing or global inventory searches—from components to complete units—we can match your needs with the nearest partner's inventory for rapid delivery. Our global alliance enables transactions at wholesale agency rates. Welcome aboard! Cheers!!
LG Refrigeration Compressors Buyer's Guide
The Nameplate is Key: The model number alone is sometimes insufficient. We request a clear photo of the manufacturer’s metal nameplate. This confirms the specific Series, Voltage, and Bill of Material (BOM) number.
Refrigerant Verification: You must confirm the gas type (e.g., R134a, R404A, R290, or R410A). Using the wrong refrigerant in a LG compressor designed for a different gas will lead to immediate failure and void the warranty.
Voltage & Frequency Check: Global power grids vary. Whether you need 115V/60Hz (USA), 220V/50Hz (Europe/Asia), or 3-Phase 380V, this must be explicitly confirmed during the inquiry stage to prevent electrical burnout.
Application Matching: We verify if your application requires LBP (Low Back Pressure for freezers), MBP (Medium), or HBP (High Back Pressure for A/C and chillers). Installing an LBP compressor in an HBP application will cause the motor to overheat.
Performance Benchmarking: Before shipment, units undergo rigorous testing for volumetric efficiency, motor amperage draw, and noise levels
The Test Report: For peace of mind, we can provide a Quality Inspection Report or a video of the LG compressor under load test, proving it holds pressure and operates within factory specifications before it leaves our facility.
Spot Buy (Ready Stock): For urgent repairs, we leverage our global inventory of popular brands (Tecumseh, Copeland, Danfoss) to offer "2nd-Day Dispatch" on common LG models.
Batch Production (OEM Orders): For distributors or appliance manufacturers requiring 50+ units, we schedule a production run. This typically requires a 2-4 week lead time but offers significant cost savings.
Condition Clarity: We clearly distinguish between "Factory New" (fresh production) and "New Surplus" (older stock). We allow you to choose based on your budget and warranty requirements.
Robust Crating: We do not use standard cardboard for international freight. All compressors are bolted to a pallet and sealed in fumigated wooden crates compliant with ISPM 15 standards for global entry.
Upright Transport: Compressors must remain upright to prevent oil from entering the compression chamber (which causes "liquid slugging"). Our packaging includes "This Side Up" shock sensors and indicators.
Customs & Documentation: We handle the complex paperwork, including Commercial Invoices and Certificates of Origin, ensuring your goods clear customs smoothly whether shipping via DHL Air Express or Sea Freight to any port in the world.
Request a Custom Quote
To get a customized quote, please provide the following information:
1. Machine Model
2. Item Parameters
3. Part Number
4. Photos
5. Quantity
6. Working Conditions
7. Any Other Requirements
Please email your complete request to us or Chat Online, and we will respond with a quote as soon as possible.
