Low-profile evaporating units

Product catalog summary

Overview: The document provides detailed specifications and features of the JB series low-profile evaporating units designed for refrigeration applications at both positive and negative temperatures. These units are optimized for R404A refrigerant and include high-efficiency coils, inbuilt thermostatic expansion and solenoid valves, and electronic control systems.

Specifications: The evaporating units operate on a 230V-I-50Hz power supply and feature high-efficiency coils made of copper pipes and aluminum fins with 5 or 6 mm fin spacing. They include a stainless steel folding drain tray with defrosting heaters and flexible drain pipe heaters for negative temperature models. The units are equipped with high flow axial motorfans and are optimized for R404A and R507C refrigerants.

Features: The units come with a compact microcontroller that includes all control elements without the need for an electrical panel. This includes 4 relays for various functions such as liquid solenoid valve, motorfan, defrosting heater, and alarm signal. The units are factory tested and adjusted for optimal performance and require minimal maintenance.

Installation Recommendations: It is recommended to place the unit at the end of the cold room, avoiding placement above the door, and ensuring air flows lengthwise along the cold room. A 150 mm separation from the wall panel should be maintained, and a draining pipe with a water trap should be installed outside the cold room. For negative temperature rooms, the drain pipe should be insulated and inclined at 20%.

Technical Features: The document lists various models with their cooling capacities, fan specifications, and other technical details. The units are designed for small cold rooms and are available with optional anticorrosion coil coating.

Performance Data: Cooling capacities are provided for different room temperatures and relative humidity levels, calculated according to the ENV328 standard. The document includes empirical factors for different conditions, referencing the difference between evaporating temperature and air inlet temperature.

Catalog excerpts

evaporating units technology in refrigeration JB series Low-prole evaporating units Evaporating units for refrigeration applications at positive and negative temperature. Each evaporating unit consists of a ventilated evaporator with inbuilt regulation valves and thermostatic expansion valve, and controlled by a prewired electronic control board. Every model has been designed and adjusted in order to optimize the R404A refrigerant dry expansion, in a wide range of temperature applications. High efciency coils. Inbuilt thermostatic expansion and solenoid valves. Electronic control. 100% factory tested and adjusted units for the highest performance. Minimum maintenance needs, with simple access through folding panels. MJB/BJB: slim-type commercial evaporating units. 51

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evaporating units technology in refrigeration Slim-type evaporating units High efciency coils. Inbuilt thermostatic expansion and solenoid valves. 100% factory tested and adjusted units for the highest performance. Prewired electronic control. Description Slim-type commercial evaporating units, with inbuilt regulation valves and prewired electronic control, built in galvanised steel shell with polyester coating, for positive and negative temperature cold rooms. Electronic control Compact microcontroller including every control element without the need for an electrical panel: 4 relays for: liquid...

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Low-profile evaporating units

Low-profile evaporating units

Catalog excerpts

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