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

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Mbsm pro private media gl90
25, Dec 2025
Zanussi 16 Cubic Feet Refrigerator Compressor GL90AA – 1/4 HP R134a

A 16 cubic feet Zanussi refrigerator typically relies on the GL90AA hermetic compressor, a compact piston unit built for R134a and low back pressure applications. This 1/4 HP motor offers cooling capacities from roughly 165 W up to around 346 W, giving enough reserve to maintain stable temperatures in family‑size…

Mbsm pro private media Samsung washing machine
25, Dec 2025
Samsung front‑load tub front half assembly: dimensions, components and replacement guide

The tub front half assembly on Samsung front‑load washing machines combines the plastic support ring, EPDM rubber door gasket, drain hose and spring‑loaded clamp into one critical sealing unit between the drum and cabinet. It defines the loading opening and overall tub size while ensuring leak‑free, efficient washing and spin…

Mbsm pro private media finder
25, Dec 2025
Finder 66.82.8.230.0000 Power Relay: Reliable 30A Solution for HVAC and Industrial Control

The Finder 66.82.8.230.0000 is a high‑power, flange‑mount relay designed for demanding switching tasks in HVAC, refrigeration and industrial control panels. With a 230 V AC coil and 30 A contact rating, it offers a compact but robust alternative to contactors in many applications, saving space while maintaining safety.

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 kca
24, Dec 2025
MADEL KCA‑SUB zoning control module: wiring, functions and professional applications

The MADEL KCA‑SUB is an electronic zoning controller designed to manage up to six independent air‑conditioning zones from a single ducted unit. The image shows the KCA‑SUB installed in a junction box with its power, relay and sensor terminals visible, offering HVAC technicians a compact and versatile solution for sub‑zone…

Mbsm pro private media m peinture
24, Dec 2025
Electrostatic Paint Sprayer: Precision Coating for Modern Workshops

In many metalworking, HVAC and automotive workshops, an electrostatic paint sprayer has become the secret weapon for achieving premium finishes with less paint and less mess. This compact mobile system charges each droplet of paint so it is strongly attracted to grounded metal parts, wrapping around complex shapes and cutting…

Mbsm pro private media dn33
24, Dec 2025
Carel DN33V9MR20 Universal Controller: Reliable DIN-Rail Control For Modern HVAC Systems

The Carel DN33V9MR20 is a compact universal electronic controller designed for DIN‑rail mounting in professional HVAC and refrigeration panels. It offers a wide low‑voltage power‑supply range, two analogue and two digital inputs, and a robust relay output with buzzer and infrared receiver, delivering reliable temperature management in demanding applications.

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 mediaReplacing Union Air Unionaire refrigerator or freezer sensors with those from a Crazy Kiriazi deep freeze
24, Dec 2025
Replacing Unionaire Sensors with Kiriazi Deep Freezer Probes: What Technicians Must Check First

The picture shows a refrigeration technician holding several tubular temperature probes and a small white connector in front of a heavily frosted evaporator, capturing the exact moment of diagnosing a sensor fault in a no‑frost fridge or deep freezer. This real‑world scene raises a key question: can Unionaire sensors be…

Mbsm pro private media DC05CDNC1C
23, Dec 2025
DC05CDNC1C 48V DC Cabinet Air Conditioner

Outdoor telecom cabinets, base stations and industrial enclosures rely on compact DC air conditioners to keep sensitive electronics within a safe temperature range. The Envicool DC05CDNC1C 48V DC cabinet air conditioner is one of these dedicated solutions, delivering 550 W of cooling capacity in a sealed IP65 housing for harsh…