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

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Danfoss Secop SLV15CNK / SLV15CNK.2 — Complete Technical Review & Replacement Guide mbsmpro
11, Mar 2026
Danfoss Secop SLV15CNK / SLV15CNK.2 — Complete Technical Review & Replacement Guide

The Danfoss Secop SLV15CNK is a variable-speed LBP hermetic compressor running on R290 propane refrigerant, designed exclusively for commercial freezing applications. With a 15.28 cm³ displacement, permanent magnet TRI motor, and mandatory SLV electronic controller, it powers chest freezers and display cases across retail worldwide — including AHT deep freezer…

Embraco EMT55HLC vs Daewoo HSL19JE-5 R134a LBP compressor comparison 1/5 HP replacement guide technical specifications cooling capacity COP performance mbsmpro
20, Feb 2026
Embraco EMT55HLC vs Daewoo HSL19JE-5 R134a LBP compressor comparison 1/5 HP replacement guide technical specifications cooling capacity COP performance

Two workhorse compressors power countless commercial refrigerators and household freezers worldwide. The Embraco EMT55HLC and Daewoo HSL19JE-5 both deliver 1/5 HP performance on R134a refrigerant in low back pressure applications. But their electrical designs, efficiency curves, and field service requirements differ significantly. Here is what technicians need to know.

SC18CLX.2 compressor 104L2197 Danfoss Secop R404A R507 LBP 220-240V 50Hz specifications replacement mbsmpro
19, Feb 2026
SC18CLX.2 compressor 104L2197 Danfoss Secop R404A R507 LBP 220-240V 50Hz specifications replacement

The SC18CLX.2 (104L2197) is a professional-grade hermetic reciprocating compressor manufactured by Danfoss/Secop in Germany. Designed for commercial freezing applications, it operates with R404A/R507 refrigerants on 220-240V 50Hz power supply. With 17.68 cm³ displacement and CSIR motor technology, this LBP compressor delivers reliable performance.

Danfoss SLV15CNK R290 compressor specifications, replacement guide, technical data, cooling capacity, inverter compressor LBP freezer commercial refrigeration mbsmpro
19, Feb 2026
Danfoss SLV15CNK R290 compressor specifications, replacement guide, technical data, cooling capacity, inverter compressor LBP freezer commercial refrigeration

The Danfoss SLV15CNK is a sophisticated variable-speed compressor running on natural refrigerant R290. Designed for commercial freezing applications from -40°C to -10°C, this 15.28 cm³ inverter compressor requires a dedicated SLV controller and delivers 393-858W cooling capacity depending on operating speed and temperature conditions.

Danfoss SC18CL compressor R404A R507 specifications replacement 104L2123 commercial freezer refrigeration mbsmpro
19, Feb 2026
Danfoss SC18CL compressor R404A R507 specifications replacement 104L2123 commercial freezer refrigeration

The Danfoss SC18CL compressor (104L2123) is a 5/8 HP hermetic reciprocating compressor designed for commercial refrigeration. Operating on R404A/R507 refrigerants at 220-240V 50Hz, it delivers 781W cooling capacity at -23°C for LBP/MBP applications. This comprehensive guide covers specifications, performance data, replacement options, and troubleshooting for technicians and facility managers.

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.​

Scroll Compressor Internal Components Explained mbsmpro
4, Jan 2026
Scroll Compressor Internal Components Explained

When technicians open a scroll compressor casing, the real engineering lives in internal mechanisms invisible at first glance: the floating seal preventing vacuum damage, the motor protector monitoring temperature and amperage, the pressure relief valve, the discharge check valve preventing reverse rotation, and the optimized bearing system. Understanding these core…

Bitzer 4J-13.2Y-40P semi-hermetic mbsmpro
28, Dec 2025
Bitzer 4J-13.2Y-40P semi-hermetic

The Bitzer 4J‑13.2Y‑40P is a semi‑hermetic reciprocating compressor designed for demanding commercial refrigeration applications. Its nameplate provides critical information for installers, including voltage ranges of 380–420 V at 50 Hz and 440–480 V at 60 Hz, running current, starting current, displacement flow and maximum permissible shell pressures.