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

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Embraco EGAS and EM Series mbsmpro
27, Jan 2026
Embraco EGAS and EM Series

Master Embraco EGAS & EM series compressors with this pro guide. Covers specs for EGAS 80/90/100, EM 30/45/55, failure diagnosis, and expert replacement tips.

not recommended to replace compressor (Jiaxipera N1113Y) with (ACC HTK70AA). mbsmpro
26, Jan 2026
not recommended to replace compressor (Jiaxipera N1113Y) with (ACC HTK70AA).

Selecting the right compressor for a refrigeration system is critical for long-term performance and energy efficiency. When replacing a Jiaxipera N1113Y, simply matching the refrigerant type is not enough. This guide breaks down the technical differences between the N1113Y and the ACC HTK70AA, providing the essential data for professional technicians…

I charged the compressor CAJ4519Z with R407 gas, and upon startup, some frost appeared on the return line and expansion valve, even though the cooling was fine. Is this normal? Note that it's a refrigeration room, not a freezer. mbsmpro
26, Jan 2026
I charged the compressor CAJ4519Z with R407 gas, and upon startup, some frost appeared on the return line and expansion valve, even though the cooling was fine. Is this normal? Note that it’s a refrigeration room, not a freezer.

 The Tecumseh CAJ4519Z stands as a benchmark in commercial refrigeration, offering robust performance for Medium and High Back Pressure (MHBP) applications. Engineered for versatility, it supports a wide array of refrigerants including R404A and R407C. This professional analysis covers technical data, wiring configurations, and essential maintenance practices for field engineers…

The ZMC EGM60AF compressor can be installed on a Toshiba 14-inch refrigerator mbsmpro
26, Jan 2026
The ZMC EGM60AF compressor can be installed on a Toshiba 14-inch refrigerator

The ZMC EGM60AF is a high-performance hermetic compressor designed for low back pressure applications in domestic refrigeration. Engineered with precision in Egypt, this 1/6 HP unit operates on R134a refrigerant and is tailored for 220-240V 50Hz power systems. It offers a reliable cooling solution for small to medium household refrigerators…

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…

donper-r134a-compressor-specs-l58-l65-l72-k270-k375
22, Jan 2026
compressors: L58CZ1 (1/6HP), L65CZ1 (1/5HP), L72CZ1 (1/4HP), K270CZ1 (1/3HP), and K375CZ1 (1/2HP

Donper has established itself as a powerhouse in the hermetic compressor industry, providing reliable cooling solutions for domestic and light commercial applications. This technical analysis explores the R134a L and K series, ranging from 1/6 HP to 1/2 HP, offering engineers and technicians the critical data needed for successful repairs…

mbsmgroup-files-2026-01-22_031414-mbsmpro mbsmpro
22, Jan 2026
Compressor, HUAYI, HYS55, HYS60, HYE81, HYE90, 1/6 hp, 1/5 hp, 1/4 hp, LBP, R134a, R600a

The HUAYI compressor lineup, featuring the HYS and HYE series, is a cornerstone in modern domestic refrigeration. These Low Back Pressure units utilize R134a and R600a refrigerants to provide efficient cooling for household freezers and refrigerators. Designed for durability and high performance, they offer professional-grade solutions for various cooling capacities…

ZMC GL45AN Compressor – R134a, 1/8 HP, LBP mbsmpro
19, Jan 2026
ZMC GL45AN Compressor – R134a, 1/8 HP, LBP

The ZMC GL45AN is a hermetic refrigeration compressor designed for R134a systems in cooling and light freezing applications. With a 1/8 HP motor, LBP operation, and RSIR electrical design, it delivers stable performance, low noise, and high reliability for domestic and light commercial refrigeration equipment.

Compressor, STU 120 MT, 1/6 hp mbsmpro
19, Jan 2026
Compressor, STU 120 MT, 1/6 hp

TEE STU 120 MT U252‑00 is a hermetic reciprocating compressor from Türk Elektrik designed for domestic refrigerators using R600a refrigerant at low back pressure. It operates on 220‑240 V, 50 Hz single‑phase supply and delivers around 1/6 hp class cooling capacity, ideal for compact fridges and small freezers.

Excellent Compressor GS66AZ 1/6 HP R134a mbsmpro
19, Jan 2026
Excellent GS66AZ Compressor Technical Specifications, BIG 1/6 HP, 6.6 cm3

The GS66AZ compressor from Excellent is a workhorse in the domestic and light commercial refrigeration sector, engineered for reliable performance in low-temperature applications such as standard freezers and smaller display units. This hermetic reciprocating unit operates using the widely available R134a refrigerant, making it a highly serviceable component globally.