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

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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.

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.

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…

Compressor, Matsushita, D77C18RAX5, 1/4 hp, Panasonic mbsmpro
18, Jan 2026
Compressor, Matsushita, D77C18RAX5, 1/4 hp, Panasonic

The Matsushita D77C18RAX5 is a legendary 1/4 HP refrigerator compressor optimized for R134a refrigerant. Known for its robust RSIR motor and 7.7cc displacement, it delivers 195W of cooling power for domestic freezers and refrigerators. This guide provides full technical data, wiring details, and the best professional cross-reference replacements for modern…

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…

Huayi HYB60MGU Compressor 1/7 HP R600a LBP mbsmpro
18, Jan 2026
Huayi HYB60MGU Compressor 1/7 HP R600a LBP

The Huayi HYB60MGU is a high-efficiency hermetic reciprocating compressor specifically engineered for Low Back Pressure (LBP) applications. Operating on the eco-friendly R600a refrigerant, this 1/7 HP unit is a primary component in modern household refrigerators. This guide provides an in-depth technical analysis, electrical wiring configurations, and reliable replacement alternatives for…

GMCC PE75H1C Compressor 1/4 HP R134a LBP mbsmpro
18, Jan 2026
GMCC PE75H1C Compressor 1/4 HP R134a LBP

The GMCC PE75H1C is a robust hermetic reciprocating compressor engineered for low back pressure applications using R134a refrigerant. Operating at 220-240V 50Hz, this 1/4 HP motor provides a cooling capacity of approximately 185W. This article provides technical datasheets, electrical wiring schemas, and professional cross-reference guides for global refrigeration maintenance and…

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.