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

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The Value of Correct Identification mbsmpro
8, Jan 2026
HVAC Valve Cores

Excerpt: Valve cores are vital for HVAC and refrigeration systems. This guide explores Schrader valve types, pressure ratings, material choices, and engineering tips for optimal performance and leak prevention.

HITACHI FL20S88NAA Compressor mbsmpro
4, Jan 2026
HITACHI FL20S88NAA Compressor

The HITACHI FL20S88NAA 0.75 HP hermetic scroll compressor delivers 256W cooling capacity at 50Hz, utilizing HFC-134a refrigerant for household refrigerator-freezer applications. This LBP-classified unit operates reliably at 220-240V with RSIR starting method, integrated into Sharp's SJ-PT73R-HS3 model offering 662-liter gross capacity with Hybrid Cooling System and Plasmacluster technology.

Tecumseh Commercial Refrigeration Compressors mbsmpro
3, Jan 2026
Tecumseh Commercial Refrigeration Compressors

Tecumseh commercial compressors range from 1/9 HP (230 W) to 3 HP (4,000 W), delivering refrigeration capacities from 278 W to 6,973 W across R404A, R134a, and legacy refrigerants. This complete technical guide provides exact horsepower, input wattage, evaporating ranges, and application types for all ten major models used in…

Copeland ZB50KCE Scroll Compressor  mbsmpro
27, Dec 2025
Copeland ZB50KCE Scroll Compressor 

copeland zb50kce scroll compressor 7 hp 11.9 kw polyester oil nameplate data Mbsmgroup mbsmpro.com

Refrigerants, Standing, Suction and Discharge Pressures for Modern HVAC Systems mbsmpro
27, Dec 2025
Refrigerants, Standing, Suction and Discharge Pressures for Modern HVAC Systems

Explore a practical refrigerant pressure chart with typical standing, suction and discharge pressures plus boiling points for R22, R134a, R32, R404A, R407C, R410A, R290, R600a and R417A.