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

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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.

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

Mbsm pro private media CAj9480t
25, Dec 2025
Tecumseh CAJ9480T R22 Hermetic Compressor: Complete Technical Guide for Professionals

The Tecumseh / L’Unité Hermetique CAJ9480T is a 5/8 HP hermetic compressor delivering about 1 968 W of cooling capacity for R22 commercial refrigeration systems. It is widely used in small cold rooms, display cabinets and compact condensing units. This Mbsmgroup guide explains its main specifications, applications, installation tips and…

Mbsm pro private media caj948
24, Dec 2025
Tecumseh CAJ9480T: The French‑Made Heart of Legacy R22 Cold Rooms

On the faded nameplate of this weathered compressor shell, one line stands out with absolute clarity: CAJ9480T – R22/R502 – Made in France. It is the unmistakable signature of a Tecumseh L’Unité Hermétique fully hermetic compressor, a workhorse still beating quietly inside countless small cold rooms and refrigerated cabinets in…

Mbsm pro private media frascool
23, Dec 2025
Frascold D2‑15Y / D2‑15.1Y ​

The Frascold D2 15Y is a semi‑hermetic reciprocating compressor designed for commercial and industrial refrigeration. With a 2 HP motor and 15.4 m³/h displacement, it delivers around 6–7 kW of cooling capacity using R404A, R448A or R449A, making it a robust option for low and medium temperature applications.

Mbsm pro private media Frascold
23, Dec 2025
Frascold Z40‑154Y

The photos capture a heavy‑duty Frascold Z40‑154Y semi‑hermetic compressor, an Italian 40 HP unit designed for demanding freezer and cold‑room applications. Its nameplate shows a displacement of about 154 m³/h and robust pressure ratings, while the blue cast‑iron body and mounted controls reveal a machine built for long‑term industrial refrigeration…