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

image_pdfimage_print
The Technician’s Take on the Matsushita QA77C17GAX5 mbsmpro
28, Jan 2026
The Technician’s Take on the Matsushita QA77C17GAX5

The Matsushita QA77C17GAX5 is a workhorse in the refrigeration world. This 1/4 HP R134a compressor is a go-to for many household fridges and freezers. In this guide, we break down the technical specs, electrical wiring, and the most reliable replacement options to help you get your cooling system back up…

Samsung Compressor, MSV4A1A-L1B, 1/4 hp, Inverter, R600a, 160-260V, 54-216Hz, LBP, BLDC, Cooling/Freezing mbsmpro
27, Jan 2026
Working with the Samsung MSV4A1A-L1B: A Field Tech’s Guide

The Samsung MSV4A1A-L1B is a high-efficiency inverter compressor specifically engineered for R600a residential refrigeration systems. Operating between 54Hz and 216Hz, this 1/4 HP BLDC unit provides variable cooling capacity for premium side-by-side refrigerators. This professional guide covers essential technical specifications, diagnostic resistance checks, and critical installation protocols for modern refrigeration…

Mbsmpro.com, Compressor, FMXY9C, 1/5 hp, Inverter, Fullmotion, R600a, 230V 43-134Hz, LBP, Variable Speed, High Efficiency mbsmpro
27, Jan 2026
Mbsmpro.com, Compressor, FMXY9C, 1/5 hp, Inverter, Fullmotion, R600a, 230V 43-134Hz, LBP, Variable Speed, High Efficiency

 The Embraco FMXY9C is a high-efficiency inverter compressor designed for modern R600a refrigeration systems. Operating at variable speeds between 43Hz and 134Hz, this unit offers superior energy savings. This guide provides technical specifications, diagnostic protocols for technicians, and a list of compatible replacements to ensure a professional-grade repair every single…

Huayi HYE55YL63 and  ZMC EGM60AF mbsmpro
23, Jan 2026
Huayi HYE55YL63 and ZMC EGM60AF

The Huayi HYE55YL63 and ZMC EGM60AF are two industry-standard 1/5 HP compressors used in domestic refrigerators. While both utilize R134a refrigerant, they differ in displacement and oil capacity. This technical review compares their performance curves and cooling capacities to help technicians select the ideal replacement for Kiriazi and other 14-foot…

Defrost Timer Module mbsmpro
19, Jan 2026
Defrost Timer Module

The Universal Electronic Defrost Timer Module is a critical component for modernizing refrigerator repairs. Designed to replace failing mechanical timers and expensive control boards, this solid-state device offers unmatched reliability. Featuring a 220V input and 10A capacity, it ensures precise timing for compressor operation and defrost cycles in various domestic…

Huayi HYE69Y63 Compressor 1/5 HP R134a LBP mbsmpro
18, Jan 2026
Huayi HYE69Y63 Compressor 1/5 HP R134a LBP

The Huayi HYE69Y63 is a highly efficient hermetic reciprocating compressor designed for low back pressure applications using R134a refrigerant. With a 1/5 HP rating and dual-frequency compatibility (50/60Hz), this motor is a cornerstone for domestic refrigerators and freezers. This comprehensive guide covers technical datasheets, electrical wiring, and professional replacement strategies…

TEE NTU 170 MT Compressor 1/4 HP R600a mbsmpro
18, Jan 2026
TEE NTU 170 MT Compressor 1/4 HP R600a

The TEE NTU 170 MT is a high-efficiency hermetic reciprocating compressor designed for low back pressure applications using R600a refrigerant. Known for its reliability in household refrigeration, this unit operates at 220-240V 50Hz. This article explores its technical specs, cooling capacity, and suitable replacements for HVAC technicians and engineers worldwide.

Embraco EM2Z 80HL.C compressor requires approximately 150 ml Oil mbsmpro
4, Jan 2026
Embraco EM2Z 80HL.C compressor requires approximately 150 ml Oil

The Embraco EM2Z 80HL.C is a robust hermetic reciprocating compressor engineered for refrigeration efficiency. Featuring a 1/4 HP motor and optimized for R134a refrigerant, this Brazilian-made unit delivers reliable Low Back Pressure (LBP) performance. This guide details its 150ml oil charge, electrical specs, and competitive advantages for technicians.