We start a new line of tutorial videos updated with the latest Eliwell devices, explaining in a simple and quick way the tips for the installer's day-to-day work.
How to easily connect a temperature probe to an ID PLUS thermostat?
On February 24, the event kicked off at Ifema-Madrid, Air conditioning 2015an event not to be missed by companies in the food processing sector. commercial and industrial air conditioning and refrigerationEliwell was present with several novelties, among which we highlight the New Coldfacefor the camera control for product preservation, refrigerated or frozen.
With a new design innovador, it has more functionalities than the previous model and is easier to install. Three models are available for the best application. In addition to these, all integrated solutions to comply with the current regulations corresponding to the refrigeration and metrological control regulations.
Eliwell also presented its new devices for compressors with CRII and digital Scroll control, Eliwell control units make the most of these compressors to optimize performance and savings in the installation.
Maintaining the innovative line in telemanagement systems, we show the EVODATA system, which allows the control of small installations, a telemanagement system based on the FREE platform that can integrate everything you need, accessible via webserver.
Based on the same platform, we also present the ultimatedryer control and special applications, EVOHT customizable or with established programs, and data download via USB.
Finally, one of the most important innovations at the fair for stockists and customers was the new on-line platform Eliwellstore.com, an essential tool to have Eliwell at a click: technical data sheets, quotations, availability of material, configurations, etc.
The supermarket chain DinoSol which currently has more than 5,000 employees for its 195 points of sale located in the Canary Islands, joins the commitment with the environment and makes the first installation in Las Palmas de Gran Canaria based on Eco-Efficient solutions for its new facilities located in the 'El Tablero' Shopping Center, in San Bartolomé de Tirajana.
The project was carried out by Tewis Smart Solutions International, a leading company in Energy Consulting and specialized in developing Integral Solutions for Refrigeration Systems installations in collaboration with the company MAXFRI COSTA SL, a company specialized in assembly and maintenance of Air Conditioning and Industrial Refrigeration installations with extensive experience in Eco-Efficient installations.
This new HiperDino supermarket is consistent with the welfare and sustainability objectives that the DinoSol group, through its company policy, has been integrating into its stores in order to achieve its goals towards a more sustainable future. This surface has an innovative design for the different sectors such as perfumery, wine cellar or bakery and has also integrated a new TV channel, LED lighting, nebulizers, electronic label dispensers and Eliwellsecurity devices, managed by the SXRcontrol system platform, provide efficient supermarket management and facilitate significant energy savings.
The DinoSol Group has chosen the Tewis by Zanotti Smart SolutionsCO2 / R134a hybrid refrigeration system for these installations as part of its overall effort to reduce itsCO2 emissions. Currently, the refrigerantCO2 ( R744) has the lowest impact on global warming of all HFC greenhouse gases. This hybrid technology is reliable and efficient in countries with hot climates such as the Canary Islands, southern Europe, Asia and Latin America.
The development of the solution has been made possible thanks to the trust placed in Tewis by Mr. Rubén Molowny López-Peñalver, technical director of the DinoSol Group, who declared that both innovation and EcoEfficient solutions were going to be a fundamental pillar for the HiperDino supermarket chain, as they are committed to achieving a low environmental impact, reducing their emissions on the ozone layer (ODP) and achieving a low impact on global warming (GWP). He also thanked the entire DinoSol technical team for their commitment and dedication to the project.
Following the implementation in this area, the DinoSol group intends to continue implementing various EcoEfficient solutions in its new projects, as well as making significant design changes and taking sustainable measures for its existing supermarkets. The HiperDino supermarket chain in its sustainable development policy has been one of the first companies in the Canary Islands to incorporate different energy saving solutions in its facilities, such as:
Floating condensation dependent on the outside temperature.
Floating Evaporation.
Frequency inverters in compressors.
TelevisGo monitoring system.
Eliwell PXVE (CO2) Electronic Expansion Valves.
RTX/V range controllers with "On Demand" defrost system.
Energy management system.
Tewis specialist in natural refrigerants
Tewis Smart Solutions International is a specialist in developing customized solutions for different industrial and commercial sectors, seeking to improve energy efficiency in the projects they carry out and providing establishments with the conditions for their opening at a legal and construction level. Its years of experience and knowledge in the sector offer innovative solutions for the development of new projects and products for projects and applications in the refrigeration sector. These solutions are carried out thanks to the work carried out from the R+D+i laboratory located in its facilities located in the Technological Park of Paterna, in Valencia (Spain), where Tewis also collaborates with various universities in the realization of masters, training, practices, and coordinates seminars for specialists in the refrigeration, air conditioning and ACS sector, informing about the latest developments in the market.
Through experience with its customers, the company has advanced in Control and Remote Management systems, an independent area of inmotics to monitor the energy consumption of the facilities and especially in the development of controls with algorithms adapted to the specific properties of this type of refrigerant. Inmotics has allowed Tewis to expand its services to new business areas such as service stations, convenience stores, franchises, retail and food chains.
On the other hand, MAXFRI COSTA, which has extensive experience in this type of installation, has placed its trust in the design and manufacture of the equipment of the installation in the hands of Tewis, thanks to the synergies generated by both companies make them an excellent team to carry out any refrigeration project.
The company MAXFRI COSTA from its delegation in the Canary Islands, has collaborated in the realization of this project, standing out for its expertise, for its extensive experience in making facilities with hybrid refrigeration system of CO2 / R134a, and for their professionalism when dealing with the high pressures that this type of natural refrigerant entails, also thanks to the specialization of its team, these facilities will have the best maintenance and the most appropriate treatments.
R134a/CO2 hybrid system justification
The supermarket located in San Bartolomé de Tirajana has installed the R134a /CO2 hybrid solution.
The condensation of the compressor plant with R744 (CO2) refrigerant is carried out through two plate heat exchangers controlled by an electronic expansion valve.
Superheat control is important in this type of installation and the use of electronic expansion valves is necessary in the evaporators of negative cooling services.
Central Hybrid by Tewis by Zanotti Smart Solutions
The oil recovery system chosen is of the AC&R type, consisting of main oil separator, oil receiver and compressor oil injection control. The use of R134a in the refrigerated plant does not imply significant changes with respect to traditional installations. Better thermodynamic characteristics, lower circuit pressure and a lower GWP compared to other refrigerants (R404a), allow to optimize efficiency and reduceCO2 emissions, improving the Tewi factor. The electrical panel incorporated in the base and the power and control wiring of the different electrical elements that make up the power plants optimizes the space in the machine room and reduces installation time. Optimizing the cost of installation.
The replacement of R134a by the new series of refrigerants under study, place this type of solution as definitive. The adaptation of R134a to the new refrigerants is direct.
Freeway
RTX-600V
EWCM
Regulation and system control system
Main controls used:
EWCM controllers and variable speed drives to control the tworefrigeration plants.
RTX-600V regulators for the control of electronic expansion valves for refrigerated (R134a) and frozen (CO2) services.
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