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

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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.

How many cubic feet can LJ118CY1 compressor cool? mbsmpro
31, Jan 2026
How many cubic feet can LJ118CY1 compressor cooling ?

The Donper LJ118CY1 is a high-performance 1/4 HP hermetic compressor designed for domestic refrigerators using R600a refrigerant. Known for its efficiency and quiet operation, it features a displacement of 11.8cc and a cooling capacity of 198W at -23.3°C. This article provides technical details, wiring diagrams, and compatible replacement models for…

The Cooling Workhorse: Deep Dive into the Danfoss NL7.3FT Compressor mbsmpro
31, Jan 2026
The Cooling Workhorse: Deep Dive into the Danfoss NL7.3FT Compressor

The Danfoss NL7.3FT is a cornerstone of domestic and light commercial refrigeration. Engineered for Low Back Pressure (LBP) applications using R134a refrigerant, this 1/4 HP unit offers reliability and high efficiency. In this guide, we break down the technical displacement, cooling capacity, and provide a comprehensive list of compatible replacements…

Technical Troubleshooting: Automatic Washer Stops After Filling mbsmpro
30, Jan 2026
Technical Troubleshooting: Automatic Washer Stops After Filling

If your automatic washer fills with water but refuses to start the agitation or wash cycle, you are facing a common mechanical or electronic failure. This guide explores the primary culprits, including faulty lid switches, clogged pressure tubes, and failing drive motors, providing technical insights to help you diagnose and…

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…

Mastering the LG KX69LBEG: The Heart of Modern Domestic Refrigeration mbsmpro
30, Jan 2026
Mastering the LG KX69LBEG: The Heart of Modern Domestic Refrigeration

The LG KX69LBEG is a high-performance 1/5 HP reciprocating compressor designed for Low Back Pressure (LBP) domestic refrigeration. Operating on R134a refrigerant at 220-240V/50Hz, this thermally protected unit is the standard for LG’s cooling reliability. In this guide, we break down its displacement, amperage, and provide a comprehensive list of…

mbmpro-2026-01-30_203057-mbsmpro mbsmpro
30, Jan 2026
Engineering Overview: The S118CY1 Architecture

The Donper S118CY1 compressor is a cornerstone of modern domestic refrigeration, engineered for high efficiency in Low Back Pressure (LBP) environments. Utilizing R600a refrigerant, this 1/4 HP unit provides reliable cooling for large household refrigerators and freezers. This guide explores its technical parameters, electrical requirements, and the best cross-reference alternatives…

WPMR91S, the refrigerator requires exactly 13 grams of R600a refrigerant. mbsmpro
29, Jan 2026
WPMR91S, the refrigerator requires exactly 13 grams of R600a refrigerant.

The White Point WPMR91S is a high-efficiency 91-liter refrigerator utilizing a specialized 13-gram R600a refrigerant charge. Operating at 0.50A, this Turkish-made unit is designed for optimal LBP performance. This guide provides comprehensive technical specifications, compressor cross-references, and engineering insights for professional technicians and hobbyists looking for reliable maintenance data and…

EVCIS-24K-MD, The gas r410a charge weight is approximately 1.80 kg mbsmpro
29, Jan 2026
EVCIS-24K-MD, The gas r410a charge weight is approximately 1.80 kg

The Evvoli EVCIS-24K-MD is a robust 2.5 HP rotary compressor designed for 24,000 BTU split-type air conditioners. Running on R410A refrigerant with a 20.0A rated current, it offers high-efficiency cooling and heating (26,000 BTU). This technical guide explores its pressure limits, electrical requirements, and the best replacement compressors for HVAC…

Compressor, ZMC EGM66AF,  is an excellent fit for a 10-foot refrigerator mbsmpro
29, Jan 2026
Compressor, ZMC EGM66AF, is an excellent fit for a 10-foot refrigerator

The ZMC EGM66AF is a high-reliability 1/6 HP compressor designed for Low Back Pressure (LBP) applications in domestic refrigerators ranging from 10 to 12 feet. Utilizing R134a refrigerant and a 6.66cc displacement, this unit features durable copper windings and an RSIR motor, making it a preferred choice for technicians seeking…