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UNIT COOLERS E-EG-ED

UNIT COOLERS E-EG-ED

Product catalog summary

Overview: The document provides detailed specifications and features of advanced heat exchangers, specifically cubic unit coolers, designed for commercial and industrial refrigeration applications. It highlights the construction, materials, and operational parameters of these units.

Specifications:

Materials: Copper pipes and aluminum fins with high-efficiency pyramidal corrugation. The frame is made of galvanized steel, epoxy painted RAL9016.
Fan Motors: Standard fans are 400V - 3F - 50Hz, with options for 60Hz. They feature external rotors, IP54 protection, and high efficiency.
Testing: All coils are tested with dry air, with a standard design pressure of 30 bar, and an option for 45 bar.
Cooling Capacity: Models range from 9 to 187 kW, suitable for various refrigeration needs.

Construction Features:

Unit coolers are available in diameters of 500, 560, 630, and 800 mm.
Innergrooved copper pipes (12mm) for E series and smooth copper pipes (16mm) for EG series.
Aluminum fins with spacing options of 4-10mm.
Working temperatures range from -40°C to +40°C.

Defrosting Options:

Electrical defrosting with stainless steel heaters.
Hot gas defrosting and sprayed water defrosting for temperatures above -5°C.
Imbricated hot glycol defrosting and fan ring heaters for low temperatures.

Performance Data:

Cooling capacities are calculated according to ENV328 with refrigerant R404a.
Charts provide coefficients for different refrigerants and temperature conditions to adjust cooling capacity.

Ordering Information:

Order codes specify fan connection, fin spacing, coil type, number of fans, and fan diameter.
Additional options include fan wiring, floor mounting supports, prepainted fins, and special frame colors.

Conclusion: The document serves as a comprehensive guide for selecting and understanding the specifications of cubic unit coolers, emphasizing their high efficiency, reliability, and adaptability to various refrigeration applications.

Technical Document Summary

1. Specifications
This document provides detailed specifications for dual discharge unit coolers, specifically the ED series with a 500mm diameter. It includes models such as ED501B4B100LN, ED502B4B100LN, and others, each with varying capacities, power consumption, and dimensions. Key parameters include fan numbers, defrosting methods, connections, dry weight, sound pressure levels, power consumption, nominal current, and speed.

2. Procedures
The document outlines procedures for calculating capacity based on ENV328 standards and provides guidelines for installation and operation to ensure compliance with technical specifications provided by Onda S.p.A.

3. Standards and Compliance
Products are manufactured in compliance with Italian and European laws and regulations. The document emphasizes the importance of adhering to these standards to maintain warranty validity.

4. Warranty
Onda S.p.A. offers an 18-month warranty from the delivery date, covering defects in materials and workmanship. The warranty is void if defects arise from unauthorized repairs, improper use, or failure to comply with installation guidelines. The document specifies conditions under which the warranty is excluded, such as natural wear, unauthorized modifications, and non-compliance with laws enacted after order confirmation.

5. Recommendations
Recommendations include ensuring proper installation, adhering to environmental and functional parameters, and maintaining compliance with relevant laws and regulations to avoid voiding the warranty.

6. Contact Information
Contact details for Onda S.p.A. and its international branches are provided for further inquiries and technical support.

Catalog excerpts

UNIT COOLERS

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Cubic unit coolers E_EG

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3 Advanced Heat Exchangers Heat Exchange Finned Coils Batterie di scambio termico _All finned coils of unit coolers are produced with copper pipes and aluminium fins with high efficiency pyramidal corrugation. _The frame of finned coils is produced in galvanized steel with thickness suitable to weight of heat exchanger. _All pipes are expanded on aluminium counter-endplates to avoid any contact between copper pipes and steel frame and therefore any possible pipe damage. _Endplate holes corresponding to header nipples are larger to avoid that vibrations and dilatations can damage pipes. _Tutte...

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Cubic unit coolers E_EG Onda cubic unit coolers are designed and produced to be used in all most common applications of commercial and industrial refrigeration. High quality of materials and very high efficiency of fans with external rotor, used for all series, lead to get a product with extreme quality and reliability. Gli evaporatori cubici Onda sono progettati e realizzati per essere applicati in tutte le più comuni applicazioni della refrigerazione commerciale ed industriale. L’alta qualità dei materiali utilizzati e l’elevatissima efficienza dei ventilatori a rotore esterno, utilizzati su...

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5 Advanced Heat Exchangers Cubic unit coolers / Aeroevaporatori cubici Cooling capacity Capacità frigorifera Data of the catalogue are calculated according to ENV328 with refrigerant R404a with following wet conditions: I dati riportati sul catalogo sono calcolati secondo la norma ENV328 con gas R404a alle seguenti condizioni umide: Temperatura ingresso aria °C For different refrigerants please multiply declared capacity for coefficient K1 Per diversi refrigeranti moltiplicare il valore dichiarato a catalogo per il coefficiente K1 For different temperatures and Δt please use coefficient K2 mentioned...

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Cubic unit coolers E_EG Defrosting options / Accessori sbrinamento CODE CODICE Standard electrical defrosting Light electrical defrosting Fan ring heaters Drip tray electrical defrosting* Imbricated hot glycol defrosting Hot gas defrosting Hot gas defrosting+drip tray electrical defrosting Water defrosting *Option included in E and EL defrosting Sbrinamento elettrico standard Sbrinamento elettrico ridotto Resistenze circolari di sbrinamento boccagli Sbrinamento elettrico controvasca* Sbrinamento a glicole caldo embricato Sbrinamento a gas caldo Sbrinamento a gas caldo+elettrico controvasca Sbrinamento...

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Aeroevaporatori cubici E_EG ORDER CODE CODICI DI ORDINAZIONE 7 Advanced Heat Exchangers Fans connection / Collegamento ventilatori D=∆ Y= Fin spacing / Passo alette 40 = 4mm 60 = 6mm 80 = 8mm 100 = 10mm Coil type / tipo batteria Number of fans / Numero di ventole (1, 5) Diameter of fans / Diametro ventilatori 50 = Ø 500mm 56 = Ø 560mm 63 = Ø 630mm 80 = Ø 800mm Type / Esecuzione E = Cubic evaporators - Tubes ø 12mm Evaporatori cubici - Tubi ø 12mm EG = Cubic evaporators - Tubes ø 16mm Evaporatori cubici - Tubi ø 16mm ED = Dual discharge - Tubes ø 12mm Evaporatori biflusso - Tubi ø 12mm REV 1.1

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Cubic unit coolers E_EG Internal Volume Fins step Passo alette Volume interno

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9 Advanced Heat Exchangers Fins step Passo alette Volume interno

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Cubic unit coolers E_EG Fans Ventilatori Defrosting Sbrinamento Dry weight Peso a Vuoto Fans Ventilatori Sound pressure level 5m (c) Pressione Sonora a 5m (c) Power Consumption (b) Potenza Assorbita (b) Nominal Current (b) Corrente Nominale (b) Speed Velocità Notes / Note (a) Capacity calculation based on ENV328 / Rese calcolate secondo ENV328 (b) Nominal data / Dati nominal (c) According EN13487 / ISO 3744 / In accordo EN13487 / ISO 3744 (d) Diameter valid for CE30 version, for CE45 version please contact our technical office / Diametri validi per versione CE30, per versioni CE45 contattare...

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11 Advanced Heat Exchangers Notes The dimensions of above drawing are only preliminary and must be always reconfirmed by our Tech. Dept. / Note: Le quote d’ingombro sono indicative e vanno sempre confermate dal nostro ufficio tecnico REV 1.1 - 10/201

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Cubic unit coolers E_EG Internal Volume Fins step Passo alette Volume interno

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13 Advanced Heat Exchangers Fins step Passo alette Volume interno

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Cubic unit coolers E_EG Fins step Passo alette Volume interno

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15 Advanced Heat Exchangers Fins step Passo alette Volume interno

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17 Advanced Heat Exchangers Notes The dimensions of above drawing are only preliminary and must be always reconfirmed by our Tech. Dept. / Note: Le quote d’ingombro sono indicative e vanno sempre confermate dal nostro ufficio tecnico REV 1.1 - 10/201

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