Compressor, Konor, GPY16AF, 1/2 HP, R134a, LBP
Focus Keyphrase: Konor GPY16AF R134a Compressor Technical Specifications and Professional Replacement Guide
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Meta Description: Explore the full technical breakdown of the Konor GPY16AF compressor. This 1/2 HP R134a unit is ideal for LBP freezing applications. Includes specs, wiring, and cross-reference.
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Excerpt: The Konor GPY16AF is a robust hermetic reciprocating compressor engineered for low back pressure applications using R134a refrigerant. With a displacement of 16.2 cm³, this 1/2 HP unit is a staple in commercial freezers and large refrigerators. This guide provides detailed technical data, wiring diagrams, and professional cross-reference options for field technicians.
Mbsmpro.com, Compressor, Konor, GPY16AF, 1/2 HP, R134a, LBP, 220-240V 50Hz
The refrigeration industry relies on precision and durability, and the Konor GPY series stands out as a high-performance solution for low-temperature requirements. Specifically, the GPY16AF model is a hermetic reciprocating compressor designed to meet the rigorous demands of deep-freezing units. Utilizing R134a refrigerant, this compressor balances thermal efficiency with mechanical reliability, making it a preferred choice for large-capacity domestic appliances and light commercial units.
Technical Specification Table
| Feature | Specification |
| Model | GPY16AF |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Deep Cold Storage |
| Oil Type and Quantity | POE Oil / 350 ml |
| Horsepower (HP) | 1/2 HP |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1 Phase |
| Cooling Capacity BTU | Approximately 1540 BTU/h (at -23.3°C ASHRAE) |
| Motor Type | CSIR (Capacitor Start – Induction Run) |
| Displacement | 16.2 cm³ |
| Winding Material | High-Grade Copper |
| Pressure Charge | Suction: 0.5 – 5 PSI (Normal LBP range) |
| Capillary Recommendation | 0.042″ x 10ft (Variable per load) |
| Application Units | Large Chest Freezers, Vertical Freezers |
| Temperature Function | -35°C to -15°C |
| Fan Requirement | Static or Forced Air (Fan recommended for high ambient) |
| Commercial Use | Yes, Light Commercial / Domestic |
| Amperage (FLA) | 2.5 A – 2.8 A |
| LRA (Locked Rotor Amps) | 17 A |
| Type of Relay | Potential or Electromagnetic Relay |
| Capacitor Requirement | Starting Capacitor (approx. 60-80 µF) |
Engineering Perspective: Performance Analysis
From a field worker’s perspective, the GPY16AF is recognized for its high volumetric efficiency. The 16.2 cm³ displacement allows for rapid pulldown times in large evaporation systems. Unlike smaller residential compressors, this unit features reinforced copper windings that handle the high torque required during the startup phase of a heavy refrigeration cycle.
When comparing the Konor GPY16AF to other market leaders, we notice a distinct advantage in its thermal management. The internal motor protection is calibrated to prevent burnout during voltage fluctuations, a common issue in many regions.
Cross-Reference and Replacement Models
Finding an exact match for a compressor in the field is not always possible. Below are professional alternatives categorized by refrigerant type.
Table: Top 5 Replacements (Same Refrigerant – R134a)
| Brand | Model | HP | Displacement |
| Embraco | FFI12HBX | 1/2 HP | 11.14 cm³ |
| Danfoss/Secop | SC15G | 1/2 HP | 15.28 cm³ |
| Tecumseh | AE2415Y | 1/2 HP | 12.50 cm³ |
| Kulthorn | AE7440Y | 1/2 HP | 14.50 cm³ |
| Huayi | HYE15YG | 1/2 HP | 15.00 cm³ |
Table: Top 5 Replacements (Alternative Refrigerant – R404a/R600a)
| Brand | Model | Gas Type | Note |
| Embraco | NEK2150GK | R404a | Requires TXV adjustment |
| Secop | SC18CL | R404a | High cooling capacity |
| Jiaxipera | VNX1116Y | R600a | High efficiency / Low noise |
| Nidec | GPY12RAA | R600a | Eco-friendly alternative |
| Danfoss | NL11MF | R134a/R404a | Multi-refrigerant capable |
Electrical Wiring Schema (General CSIR)
codeText
[Neutral] ---------------- (Common Terminal)
|
[Winding]
|
[Live] -----[Overload]----[Relay]---- (Main Winding)
|
[Start Cap]
|
(Start Winding)Installation Best Practices and Field Tips
- Vacuum Procedure: Since the GPY16AF uses POE oil, it is extremely hygroscopic. A deep vacuum of at least 500 microns is mandatory to prevent acid formation within the system.
- Filter Drier Replacement: Never reuse a filter drier. When installing this 1/2 HP unit, ensure a high-capacity XH-9 molecular sieve drier is used to handle the R134a molecular structure.
- Oil Management: If the system suffered a motor burnout previously, perform a flush. POE oil will trap contaminants more aggressively than mineral oil.
- Capillary Sizing: Ensure the capillary tube is not restricted. A 1/2 HP compressor generates significant head pressure; a restricted capillary will lead to premature valve failure.
Professional Benefits of the Konor GPY16AF
- Energy Efficiency: Optimized for lower power consumption despite high torque.
- Low Noise Profile: Advanced shell design dampens mechanical vibration.
- Durability: Built to withstand continuous operation in tropical climates.
Notice: Always verify the starting capacitor value on the specific unit label before replacement. Using an undersized capacitor can lead to starting failures, while an oversized one may overheat the start winding.
