12KW 380V DC Inverter Air Source Heat Pump With Wifi Controller
Brand:RFJ
Model:RFJ-AW-12DS
Heating capacity:12KW
Refrigerant:R32,R410a
Voltage:380V/3/50Hz
OEM/ODM:Support
Description
Electronic Expansion Valve Precision Throttling
Equipped with an advanced Electronic Expansion Valve, the RFJ-AW-12DS dynamically adjusts refrigerant mass flow in response to real-time ambient temperature fluctuations and heating load changes. By precise micro-step control, the system maintains optimal superheat across all operating conditions, maximizing operational thermodynamic efficiency and ensuring quick system response during cold starts.


Brushless DC Fan Motor & Aerodynamic Silent Blades
Featuring an energy-efficient brushless DC fan motor paired with acoustically engineered silent blades, the outdoor unit delivers smooth, stepless airflow modulation. The optimized aerodynamic blade contour reduces turbulence and air resistance, ensuring reliable heat exchange across the evaporator coil while keeping acoustic noise levels exceptionally low for noise-sensitive residential neighborhoods.
Integrated System Pressure Sensor for Intelligent Diagnostics
Built with a heavy-duty industrial pressure sensor connected directly to the microcomputer board, the RFJ-AW-12DS continuously monitors high- and low-side system pressure parameters. This real-time feedback loop allows the unit to perform precise auto-diagnostics, automatically adjusting system operating parameters to protect against over-pressure or loss-of-charge conditions before hardware damage can occur.

Applications
Severe Cold Zone Villa & Home Heating
Provides reliable 12 kW space heating and hot water for single-family residences and luxury villas in freezing climate regions.
Hydronic Underfloor & Radiator Networks
Supplies hot water directly to indoor underfloor heating loops, low-temperature panel radiators, and hydronic fan coil units.
Low-Carbon Building Retrofits
Replaces outdated coal, oil, or gas boilers in suburban housing projects to comply with regional carbon reduction regulations.
Parameter Table
| Model | RFJ-AW-12DS |
| Nominal Heating Capacity | 12 kW |
| System Configuration | Ultra-Low Temp Split Inverter Air-to-Water |
| Compressor Type | Panasonic DC Inverter Compressor |
| Power Supply | 380V / 3Ph / 50Hz |
| Refrigerant |
R32,R410a |
| Heat Exchanger Type | Plate Heat Exchanger |
| Water Pump | Integrated |
| Auxiliary Electric Heater | Built-in 3 kW |
| Valves | Factory-Fitted Hidden Stop Valves |

Company Profile

Shenzhen Ruifujie Technology Co., Ltd.
Ruifujie is an industry-leading HVAC/R equipment manufacturer specializing in high-efficiency cooling technology and renewable heat pump solutions for international markets. Engineering advanced scroll, reciprocating, screw, and air-to-water split DC inverter heat pumps, Ruifujie empowers energy contractors, commercial installers, and equipment distributors across Europe, North America, the Middle East, and Asia-Pacific. With automated assembly lines, strict environmental reliability testing, and comprehensive OEM/ODM customization capabilities, we deliver dependable hardware and tailored technical support to accelerate global decarbonization.
16+ Years Experience
Sea-near Factory
Freight Cooperation
Global Shipping
Certifications






FAQ
01.Why is an external buffer tank recommended when integrating the RFJ-AW-12DS into multi-zone hydronic floor heating networks?
02.How does the split-system design prevent water pipe freezing compared to monoblock heat pumps?
03.Can the RFJ-AW-12DS be integrated into commercial Building Management Systems (BMS) or Smart Grid networks?
04.Does the RFJ-AW-12DS come with copper refrigerant connecting pipes?
05.What are the standard lead time and export packaging arrangements?
Sample units in stock ship within 3 business days, while standard commercial production orders are completed and dispatched within 10 to 15 business days in export-grade wooden crates.

Get Factory-Direct Quotes
Streamline your procurement process with Ruifujie. Contact our international sales department today with your target model (RFJ-AW-12DS), order quantity, electrical specifications, and destination port. Our export specialists will provide an itemized quote, technical drawing, and shipping schedule within 8 business hours.
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