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

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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.

LG MA62LCEG compressor specifications R134a 1/5 hp LBP mbsmpro
18, Jan 2026
LG MA62LCEG compressor specifications R134a 1/5 hp LBP

The LG MA62LCEG is a reliable hermetic reciprocating compressor designed for low back pressure (LBP) applications using R134a refrigerant. Rated at approximately 1/5 HP, it delivers 174W (596 BTU/h) cooling capacity with 127W input power and a solid COP of 1.38.

SECOP SC21G COMPRESSOR mbsmpro
11, Jan 2026
SECOP SC21G COMPRESSOR

Secop SC21G is a high-performance hermetic reciprocating compressor designed for commercial refrigeration and freezing applications using R134a refrigerant. This guide covers detailed specifications, technical parameters, and installation requirements for 220-240V/50Hz systems at up to 1.3 amperes.

Danfoss hermetic compressors capillary sizing chart mbsmpro
6, Jan 2026
Danfoss hermetic compressors capillary sizing chart

Technicians match Danfoss compressors to systems using precise capillary tube lengths from 4 to 10 feet, paired with specific oil charges like 150 ml for 1/12 HP models. Capillary numbers 0.26 to 0.31 ensure optimal refrigerant flow in LBP setups.​

Mbmpro-2026-01-05_185158 mbsmpro
5, Jan 2026
Embraco EGAS70HLC Compressor

The Embraco EGAS70HLC stands out as a reliable hermetic piston compressor designed for low back pressure (LBP) applications using R134a refrigerant. Rated at 220-240V 50Hz single phase, it delivers around 61W cooling capacity with 1.5A LRA and RSIR starting. Built in Brazil by J.G Therm, model C 796173 ensures durable…

Gas Charging or Vacuuming mbsmpro
5, Jan 2026
Gas Charging or Vacuuming

The copper tube assembly shown is a service charging valve on the liquid line of a small hermetic refrigeration unit. This single access point can be used for deep vacuum and for refrigerant charging, depending on the connected equipment. Understanding when the technician is vacuuming and when charging is critical…

Mbsm pro private mediasecop sce hermetic compressor exploded view internal parts guide
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…