I. Series Overview
This batch of models covers hermetically sealed rotary refrigeration compressors from Panasonic and Sanyo. They are widely used in residential air conditioning, commercial air conditioning, heat pump systems, and small refrigeration equipment. The product range covers a power spectrum from 0.5 HP to 3.5 HP, primarily using R22 refrigerant (with the 6RS series utilizing R134a). They serve as the core power components for air conditioning and heat pump systems.
| Series | Power Range | Refrigerant | Technical Features | Main Applications |
| 2V Series | 2.0 – 3.5 HP | R22 | Rotary, Fixed-speed, 220V Single-phase | 2–3.5 HP AC, Heat Pumps |
| 2R Series | 0.5 HP | R22 | Rotary, Fixed-speed, 220V Single-phase | Small AC, Window Units |
| 2P Series | 0.75 – 1.2 HP | R22 | Rotary, Fixed-speed, 220V Single-phase | 1–1.2 HP Residential AC |
| 6RS Series | — | R134a | Rotary, Fixed-speed, 220V Single-phase | Refrigeration, R134a Systems |
Common Characteristics: The entire series adopts hermetically sealed rotary (rolling piston) compression technology, offering core advantages such as compact structure, small size, light weight, smooth operation, and low noise.
Core Differences: Different series correspond to different power ratings and refrigerant types—the 2V series targets the R22 AC/heat pump market above 2 HP; the 2R series is positioned for 0.5 HP micro/small AC units; the 2P series covers the mainstream 1–1.2 HP residential AC market; the 6RS series is specifically designed for R134a refrigeration systems.
II. Comprehensive Parameter Comparison Table
(1) 2V Series — R22 AC/Heat Pump Compressors (2–3.5 HP)
| No. | Model | Power (HP) | Refrigerant | Power Supply | Disp. (cc) | Capacity (W) | Capacity (BTU/h) | Input (W) | Current (A) | COP | Capacitor (μF/V) | Cert. |
| 1 | 2V32S225AUA | 2.0 | R22 | 220-240V/50Hz | 31.6 | 5,380 | 18,360 | 1,700 | 8.0 | 3.16 | 40/450 | CCC |
| 2 | 2V34S225AUA | 2.25 | R22 | 220-240V/50Hz | — | 5,820 | 19,860 | 1,880 | 8.6 | 3.10 | 45/450 | CCC/TUV |
| 3 | 2V36S225BUA | 2.5 | R22 | 220-240V/50Hz | — | 6,140 | 20,950 | 1,980 | 9.2 | 3.10 | 50/440 | CCC/TUV |
| 4 | 2V42S225AUA | 3.0 | R22 | 220V/50Hz | — | 7,200 | 24,565 | 2,340 | 11.0 | 3.08 | 50/440 | CCC |
| 5 | 2V44W225AUD | 3.0–3.5 | R22 | 220V/50Hz | — | 7,300–7,780 | 26,545 | 2,450–2,515 | 11.2 | — | 60/450 | CCC/TUV |
(2) 2R Series — R22 Small AC Compressors (0.5 HP)
| No. | Model | Power (HP) | Refrigerant | Power Supply | Disp. (cc) | Capacity (W) | Capacity (BTU/h) | Input (W) | COP | Capacitor (μF/V) | Cert. |
| 1 | 2R11B225ASE | 0.5 | R22 | 220-240V/50Hz | 11.0 | 1,745 | 5,955 | 585 | 2.98 | 20/440 | CCC/TUV |
(3) 2P Series — R22 Residential AC Compressors (0.75–1.2 HP)
| No. | Model | Power (HP) | Refrigerant | Power Supply | Capacity (W) | Capacity (BTU/h) | Input (W) | Capacitor (μF/V) | Cert. |
| 1 | 2P14S225ANJ | 0.75 | R22 | 220V/50Hz | 2,220 | 7,575 | 705 | 25/440 | CCC/TUV |
| 2 | 2P16S225ANM | 1.0 | R22 | 220V/50Hz | 2,400–2,500 | — | 730–750 | — | — |
| 3 | 2P17S225ANQ | 1.0 | R22 | 220V/50Hz | 2,770 | 9,450 | 885 | 25/440 | CCC/TUV |
| 4 | 2P20S225BNG | 1.2 | R22 | 220V/50Hz | 3,245 | 11,072 | 1,080 | 35/440 | CCC/TUV |
(4) 6RS Series — R134a Refrigeration Compressors
| No. | Model | Refrigerant | Power Supply | Disp. (cc) | Capacity (W) | Capacity (BTU/h) | Input (W) | COP | EER |
| 1 | 6RS124AAA21 | R134a | 220-240V/50-60Hz | 12.4 | 1,700 | 5,801 | 545 | 3.12 | 10.65 |
Notes:
The COP of the 2V series ranges between 3.078–3.165, demonstrating excellent energy efficiency.
The 2V44W225AUD has a rated power of 2450W, rated current of 11.2A, and rated cooling capacity of 7300W. It is suitable for 15-25 m³ spaces, with a cooling effect reaching -15°C to -18°C.
The 2R11B225ASE features a wide voltage design: Single-phase operating voltage 180-240V.
III. Detailed Analysis of Model-Specific Advantages
(Detailed below by four categories: 2V Series, 2R Series, 2P Series, and 6RS Series)
(1) 2V Series — R22 AC/Heat Pump Compressors (2–3.5 HP)
The 2V series is the main product line of Panasonic's V-series rotary fixed-speed compressors, specifically designed for 2–3.5 HP residential and commercial air conditioning and heat pump systems. It uses R22 refrigerant and 220-240V/50Hz single-phase power.
2V32S225AUA (2.0 HP) — Standard 2 HP AC Mainstream Option
The 2V32S225AUA is the standard 2 HP model in the 2V series, with a displacement of 31.6 cc, cooling capacity of 5,380 W (18,360 BTU/h), input power of 1,700 W, and a high COP of 3.165. It uses a 40μF/450V starting capacitor and is CCC certified.
This model utilizes Panasonic's twin-rotor structure and low-friction coating technology, improving energy efficiency by 18% and enabling stable heating startup at -25°C. The rotor surface features a Diamond-Like Carbon (DLC) coating and precision oil flow control technology, ensuring smoother refrigerant circulation and lower power consumption. With a rotor dynamic balance accuracy of ±0.3g, its vibration control outperforms competitors in the same class.
For replacement or original equipment of standard 2 HP split air conditioners and heat pump systems, the 2V32S225AUA, with its high energy efficiency, low-temperature startup capability, and original factory quality, becomes the "king of cost-effectiveness" in the maintenance market. It corresponds to original factory replacement needs for some 2 HP old models from Toshiba and Haier.
2V34S225AUA (2.25 HP) — High-Capacity Upgrade Option
The 2V34S225AUA is the 2.25 HP model in the 2V series, with a cooling capacity of 5,820 W (19,860 BTU/h), input power of 1,880 W, and a COP of 3.096. It uses a 45μF/450V starting capacitor and holds both CCC/TUV dual certification.
Compared to the 2V32S225AUA, the cooling capacity is increased by approx. 8%, further enhancing refrigeration performance. For applications requiring greater cooling capacity than a standard 2 HP, the 2V34S225AUA provides a precise capacity upgrade solution. Meanwhile, TUV certification means the product has passed stricter German safety standard tests. It corresponds to original factory replacement parts for main models from Gree and Midea from 2018–2022.
2V36S225BUA (2.5 HP) — Exclusive for High-End Heat Pump Ducted Units
The 2V36S225BUA is the 2.5 HP model in the 2V series, with a cooling capacity of 6,140 W (20,950 BTU/h), input power of 1,980 W, and a COP of 3.101. It uses a 50μF/440V starting capacitor and holds both CCC/TUV dual certification.
For high-end heat pump ducted units and large HP AC systems requiring 2.5 HP R22 cooling capacity, the 2V36S225BUA provides ample cooling reserves with its larger displacement and stronger cooling capacity. Its energy efficiency ratio is among the highest in the 2V series, making it an ideal choice for pursuing high performance and low energy consumption balance.
2V42S225AUA (3.0 HP) — Small 3 HP High-Capacity Option
The 2V42S225AUA is the 3 HP model in the 2V series, with a cooling capacity of 7,200 W (24,565 BTU/h), input power of 2,340 W, current of 11A, and a COP of 3.078. It uses a 50μF/440V starting capacitor and is CCC certified. Power supply is 220V / Single-phase / 50Hz.
For 3 HP AC systems and commercial refrigeration equipment requiring high cooling capacity, the 2V42S225AUA provides abundant cooling power with its 7,200 W strong cooling capacity and 3.078 high energy efficiency ratio. This model is classified as a "Small 3P Rotary Cooling/Heating" compressor, suitable for 3 HP AC system replacements.
2V44W225AUD (3.0–3.5 HP) — Flagship Choice for 3 HP Refrigeration Units
The 2V44W225AUD is the high-power flagship model in the 2V series, with a rated power of 2,450–2,515 W, rated current of 11.2 A, and rated cooling capacity of 7,300–7,780 W (26,545 BTU/h). It uses a 60μF/450V starting capacitor and holds both CCC/TUV dual certification. Suitable for 15-25 m³ spaces, with a cooling effect reaching -15°C to -18°C.
As the top product of the 2V series, the 2V44W225AUD, with its maximum power and strongest cooling capacity, is specifically built for scenarios with the highest cooling demands, such as 3 HP refrigeration units and large AC systems. Its compact and lightweight design offers advantages in installation and transportation. In practical applications, after replacing with this model, "the air outlet blows cool air thoroughly within three minutes of startup, and almost no abnormal noise is heard during standby," fully reflecting the quietness and high efficiency of Panasonic compressors.
(2) 2R Series — R22 Small AC Compressors (0.5 HP)
2R11B225ASE (0.5 HP) — Entry-Level Small AC Option
The 2R11B225ASE is the 0.5 HP small model in the 2R series, with a displacement of 11.0 cc, cooling capacity of 1,745 W (5,955 BTU/h), input power of 585 W, and a COP of 2.98. It uses a 20μF/440V starting capacitor and holds both CCC/TUV dual certification. Power supply is 220-240V / Single-phase / 50Hz.
This model features a wide voltage design (single-phase operating voltage 180-240V), adapting to grid fluctuations in different regions. It adopts high-precision machined parts and wear-resistant materials to ensure stability during long-term operation. Through balanced rotor structure and shock absorption design, vibration and sound transmission are effectively suppressed.
For replacements and original equipment of window air conditioners, portable air conditioners, and small central AC systems, as well as scenarios requiring local cooling spaces such as homes, small shops, and server rooms, the 2R11B225ASE provides an economical and efficient cooling solution with its 0.5 HP moderate power and compact structure. This model has a long service life, with a basic design life of 15 years.
(3) 2P Series — R22 Residential AC Compressors (0.75–1.2 HP)
The 2P series is the main product line of Panasonic's P-series rotary fixed-speed compressors, covering the 0.75–1.2 HP residential AC market.
2P14S225ANJ (0.75 HP) — Energy-Saving Option for Small 1 HP
The 2P14S225ANJ is the 0.75 HP model in the 2P series, with a cooling capacity of 2,220 W (7,575 BTU/h) and input power of 705 W. It uses a 25μF/440V starting capacitor and holds both CCC/TUV dual certification. Power supply is 220V / Single-phase / 50Hz.
For small 1 HP residential AC and small refrigeration equipment requiring 0.75 HP R22 cooling capacity, the 2P14S225ANJ provides a cost-effective entry-level solution with moderate power and a compact structure.
2P16S225ANM (1.0 HP) — Dual-Mode Inverter/Fixed-Speed Option
The 2P16S225ANM is the 1 HP model in the 2P series, with a cooling capacity of 2,400–2,500 W and input power of 730–750 W. This model supports variable frequency speed regulation, equipped with a brushless DC inverter, with speed adjustable from 1,500 to 6,000 RPM, and cooling output seamlessly switching from 0.5 ton to 3 tons. Weight: 22 kg, Dimensions: 350×280×300 mm.
For 1 HP AC systems requiring inverter regulation capability, the 2P16S225ANM provides flexible cooling regulation that fixed-speed compressors cannot achieve. Its compact size and lightweight design are suitable for space-constrained scenarios such as rooftop or wall-mounted installations.
2P17S225ANQ (1.0 HP) — Standard 1 HP Mainstream Option
The 2P17S225ANQ is the standard 1 HP model in the 2P series, with a cooling capacity of 2,770 W (9,450 BTU/h) and input power of 885 W. It uses a 25μF/440V starting capacitor and holds both CCC/TUV dual certification.
Compared to the 2P14S225ANJ, the cooling capacity is increased by approx. 25%, significantly enhancing cooling performance. For standard 1 HP residential AC and other applications requiring mainstream cooling capacity, the 2P17S225ANQ, with its widest market compatibility, becomes the most demanded mainstream model.
2P20S225BNG (1.2 HP) — Large 1.2 HP Upgrade Option
The 2P20S225BNG is the 1.2 HP model in the 2P series, with a cooling capacity of 3,245 W (11,072 BTU/h) and input power of 1,080 W. It uses a 35μF/440V starting capacitor and holds both CCC/TUV dual certification.
For large 1.2 HP AC and cooling demands in larger spaces requiring greater capacity than a standard 1 HP, the 2P20S225BNG provides ample cooling reserves with its strong 3,245 W cooling capacity, making it the most powerful model in the 2P series.
(4) 6RS Series — R134a Refrigeration Compressors
6RS124AAA21 (R134a) — Professional Choice for R134a Refrigeration Systems
The 6RS124AAA21 is a Panasonic R-series rotary fixed-speed compressor, specifically designed for R134a refrigeration systems. Displacement is 12.4 cc, cooling capacity is 1,700 W (5,801 BTU/h), input power is 545 W, COP is as high as 3.12, and EER reaches 10.65. Power supply is 220-240V / Single-phase / 50-60Hz. This model is also labeled under the Sanyo brand.
This model's core advantage lies in its R134a environmentally friendly refrigerant. It is compatible with both 50Hz and 60Hz dual-frequency power supplies, ensuring stable operation under different grid conditions worldwide.
For R134a refrigeration systems, environmentally friendly refrigerant AC equipment, and industrial refrigeration applications, the 6RS124AAA21 provides an efficient and environmentally friendly cooling solution with its high 3.12 energy efficiency ratio and R134a refrigerant.
IV. Series-Wide Common Advantages
Features:
Hermetically sealed rotary structure: Adopts highly reliable rotary (rolling piston) compression technology.
Dual refrigerant coverage (R22/R134a): 2V/2R/2P series are compatible with R22; 6RS series is compatible with R134a.
Wide voltage design: Single-phase operating voltage 180-240V.
Twin-rotor structure and low-friction coating: Energy efficiency ratio increased by 18%.
Diamond-Like Carbon (DLC) coating technology: Special coating on rotor surface reduces friction loss.
Advantages:
High energy efficiency ratio: 2V series COP up to 3.078–3.165.
Strong low-temperature startup capability: Stable heating startup at -25°C.
Ultra-quiet operation: Rotor dynamic balance accuracy ±0.3g, vibration control outperforms competitors.
Long-life design: Basic design life of 15 years.
Compact and lightweight: Compact structure, small size, light weight, easy to install.
Benefits:
Stable and Reliable Operation: Panasonic brand's high-reliability design ensures long-term, trouble-free operation of AC/refrigeration equipment.
Energy Saving and High Efficiency: High energy efficiency ratio reduces power consumption—winter heating power consumption drops by 15%, defrosting cycle extends by 30%.
Quiet and Comfortable: Ultra-low noise operation suitable for noise-sensitive environments like bedrooms and offices.
Flexible Selection: Complete power spectrum from 0.5 HP to 3.5 HP covers all AC/heat pump scenarios.
Low-Temperature Reliability: -25°C low-temperature heating capability meets winter heating demands in cold regions.
V. Quick Selection Guide by Application Scenario
| Application Scenario | Recommended Model | Power | Key Advantage |
| Standard 2 HP AC/Heat Pump Replacement | 2V32S225AUA | 2.0 HP | COP 3.165, King of Cost-Effectiveness |
| Gree/Midea 2 HP AC Replacement (2018-2022) | 2V34S225AUA | 2.25 HP | Original Replacement, TUV Certified |
| High-End Heat Pump Ducted Unit | 2V36S225BUA | 2.5 HP | High Capacity, CCC/TUV Dual Certified |
| 3 HP AC / Commercial Refrigeration | 2V42S225AUA | 3.0 HP | 7,200W High Capacity |
| 3 HP Refrigeration Unit (15-25m³ Cold Room) | 2V44W225AUD | 3.0–3.5 HP | 7,300W, -18°C Cooling |
| Window AC / Portable AC | 2R11B225ASE | 0.5 HP | 1,745W, Wide Voltage Design |
| Small 1 HP Residential AC | 2P14S225ANJ | 0.75 HP | 2,220W, Economical & Efficient |
| 1 HP Inverter AC | 2P16S225ANM | 1.0 HP | Inverter Control, 1500-6000 RPM |
| Standard 1 HP Residential AC | 2P17S225ANQ | 1.0 HP | 2,770W, Highest Market Demand |
| Large 1.2 HP AC | 2P20S225BNG | 1.2 HP | 3,245W, Max Power in 2P Series |
| R134a Refrigeration / Eco-Friendly Equipment | 6RS124AAA21 | — | COP 3.12, R134a Eco-Friendly Refrigerant |
Quick Selection Steps:
Determine power first: 0.5HP → 2R11; 0.75HP → 2P14; 1HP → 2P16/2P17; 1.2HP → 2P20; 2HP → 2V32; 2.25HP → 2V34; 2.5HP → 2V36; 3HP → 2V42/2V44.
Select refrigerant: R22 → 2V/2R/2P series; R134a → 6RS series.
Determine scenario: Residential AC → 2P series; Commercial AC/Heat Pump → 2V series; Small AC → 2R series; Eco-friendly systems → 6RS series.
VI. Frequently Asked Questions (FAQ)
Q1: What is the cooling capacity of the 2V44W225AUD?
A: The 2V44W225AUD has a rated power of 2450W, rated current of 11.2A, and rated cooling capacity of 7300W. It is suitable for 15-25 m³ spaces, with a cooling effect reaching -15°C to -18°C. It is suitable for matching and replacing 3 HP refrigeration units.
Q2: What are the power and cooling capacity of the 2R11B225ASE?
A: The 2R11B225ASE is 0.5 HP, with a cooling capacity of 1745W (5955 BTU/h), input power of 585W, and a COP of 2.98. It is suitable for small equipment such as window air conditioners and portable air conditioners.
Q3: Does the 2P16S225ANM support inverter technology?
A: Yes. The 2P16S225ANM is equipped with a brushless DC inverter, with speed adjustable from 1,500 to 6,000 RPM, and cooling output seamlessly switching from 0.5 ton to 3 tons. This is the only model in this batch that supports inverter regulation.
Q4: What refrigerant does the 6RS124AAA21 use?
A: The 6RS124AAA21 uses R134a refrigerant. R134a is an environmentally friendly refrigerant with an ODP (Ozone Depletion Potential) of 0, widely used to replace traditional refrigerants such as R12.
Q5: What are the COP (Coefficient of Performance) values of these compressors?
A: The COP values for each model are: 2V32S225AUA 3.165, 2V34S225AUA 3.096, 2V36S225BUA 3.101, 2V42S225AUA 3.078; 2R11B225ASE 2.98; 6RS124AAA21 3.12. The 2V32S225AUA has the highest COP value, making it the most energy-efficient choice.
Q6: Can these compressors operate normally in low-temperature environments?
A: Yes. The 2V series adopts Panasonic's twin-rotor structure and low-friction coating technology, enabling stable heating startup at -25°C. While ordinary compressors start reporting faults at -10°C, Panasonic compressors, relying on DLC coating and precision oil flow control technology, still operate reliably in low-temperature environments.
