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Technical data, tools and notes for refrigeration and electronics technicians.

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Technical Analysis of High-Performance Hermetic Compressors: GQY80AT and ATA72XL mbsmpro
2, Feb 2026
Technical Analysis of High-Performance Hermetic Compressors: GQY80AT and ATA72XL

Choosing between the ZEL GQY80AT and Huaguang ATA72XL requires a deep understanding of displacement and cooling wattage. This professional guide breaks down the 198W capacity of the GQY80AT versus the 185W of the ATA72XL, providing essential data for technicians, including oil types, motor configurations, and a comprehensive list of cross-compatible…

Secop TLES6FT.3 R134a 1/5 HP LBP Compressor Specifications and Replacement Guide mbsmpro
1, Feb 2026
Secop TLES6FT.3 R134a 1/5 HP LBP Compressor Specifications and Replacement Guide

The Secop TLES6FT.3 is a cornerstone of modern domestic refrigeration. This 1/5 HP, R134a compressor is engineered in Slovakia for Low Back Pressure applications, offering a cooling capacity of 149W. Known for its quiet operation and energy efficiency, it is the ideal choice for medium-sized refrigerators and deep freezers looking…

Samsung RT47CB663222 Compressor Specifications R600a 1/5 HP Cooling Capacity Inverter Refrigerator Spare Parts mbsmpro
31, Jan 2026
Samsung RT47CB663222 Compressor Specifications R600a 1/5 HP Cooling Capacity Inverter Refrigerator Spare Parts

This technical guide explores the Samsung RT47CB663222 refrigerator, a high-efficiency 460-liter unit utilizing R-600a refrigerant. Operating on a 220-240V 50Hz supply, this inverter-driven system is designed for Low Back Pressure applications. We break down the motor characteristics, displacement, and provide a comprehensive list of equivalent replacement compressors for modern field…

Comptek QD65H Compressor 1/6 HP R134a L/MBP Technical Specifications and Replacement Guide mbsmpro
31, Jan 2026
Comptek QD65H Compressor 1/6 HP R134a L/MBP Technical Specifications and Replacement Guide

The Comptek QD65H is a high-performance 1/6 HP reciprocating compressor designed for R134a systems. Ideal for refrigerators between 180 and 250 liters, it offers a cooling capacity of 160W at -23.3°C. This professional guide covers its electrical characteristics, COP efficiency metrics, and provides a comprehensive list of equivalent models for…

LG MA57LBJG Compressor 1/6 HP R134a LBP Technical Specifications and Replacements mbsmpro
31, Jan 2026
LG MA57LBJG Compressor 1/6 HP R134a LBP Technical Specifications and Replacements

The LG MA57LBJG is a high-performance 1/6 HP compressor designed for R134a refrigerant in Low Back Pressure (LBP) applications. Ideal for domestic freezers, it delivers 160W of cooling capacity at -23.3°C. This guide provides comprehensive technical data, winding details, and a full cross-reference list for professional refrigeration technicians and engineers.

Panasonic QB86C18GAX5: The Reliable Powerhouse of Tropical Refrigeration mbsmpro
30, Jan 2026
Panasonic QB86C18GAX5: The Reliable Powerhouse of Tropical Refrigeration

The Panasonic QB86C18GAX5 is a 1/4 HP reciprocating compressor engineered for high-efficiency Low Back Pressure (LBP) applications. Using R134a refrigerant and a displacement of 8.6cc, it delivers a cooling capacity of 201W. This guide provides technicians with essential technical data, including amperage, displacement, and a comprehensive cross-reference list for modern…

Role of Current Relays in Compressor Ignition mbsmpro
29, Jan 2026
Role of Current Relays in Compressor Ignition

Selecting the right electrical components is the heartbeat of refrigeration maintenance. When a compressor fails to start or constantly trips, the culprit is often a mismatched Current Relay or a fatigued Thermal Overload Protector. Ensuring these parts align perfectly with the compressor’s horsepower (HP) and amperage rating is vital for…

Embraco NEU2178GK, compressor mbsmpro
2, Jan 2026
Embraco NEU2178GK, compressor

The Embraco NEU2178GK is the definitive choice for 1 HP commercial freezing applications. Featuring a robust CSR motor and 16.8cc displacement, this R404A compressor delivers high starting torque for demanding environments. This guide details the electrical requirements, installation tips, and how it compares to Secop and Tecumseh alternatives.

The ECQ VP115 Vacuum Pump mbsmpro
2, Jan 2026
The ECQ VP115 Vacuum Pump

The ECQ Vacuum Pump VP115 is the ideal tool for the artisan bricoleur. With 2 CFM displacement and a durable 1/4 HP motor, it perfectly balances portability and power for residential AC and fridge repairs. This guide covers specifications, maintenance, and why 100% copper winding matters for your daily work.

22, Dec 2025
SCE SCOOP

Understanding the inner workings of a Secop SCE hermetic compressor is essential for any refrigeration technician or engineer. This comprehensive guide breaks down the complex internal components—from the crankshaft to the valve plate—providing a detailed exploded view. Whether you are troubleshooting or studying mechanical design, our professional analysis offers the…