Acoustic and luminous signaling for cold rooms and proper data recording in CO2 cold rooms is essential to ensure safety and regulatory compliance in Spain.
Eliwell thermometers and recorders are metrologically certified.
In the world of refrigeration systems, safety is a top priority. To ensure a safe and compliant environment, it is necessary to understand and correctly apply the specifications for acoustic and luminous signaling, especially when using refrigerant gases such as CO2. In this article, we will break down the essential requirements established by the Refrigeration Installations Regulation (RIF) of Royal Decree 552/2019 for cold rooms using CO2.
Why Is Signage Important in CO2 Installations?
Carbon dioxide (CO2) is a natural refrigerant gas that, although it has ecological advantages, can present significant risks at high concentrations. A CO2 leak can displace oxygen in the air and cause asphyxiation. For this reason, Spanish regulations impose strict requirements for acoustic and luminous signaling to ensure the safety of people.
Acoustic and luminous signaling requirements for CO2 chambers
CO2 Leak Detection To prevent accidents, it is mandatory to install CO2 detectors in key areas of the facility, such as the engine room and cold rooms. These detectors must be able to identify dangerous CO2 concentrations and activate the corresponding alarms. We recommend our Eliwell LKD Next leak detectors.
2. Acoustic Alarms In the event of a CO2 leak, the detectors must activate an audible alarm that is clearly audible in all affected areas. It is essential that these alarms are loud enough to alert all personnel present, even in noisy environments. Eliwell has a locked person alarm.
Illuminated Signage Simultaneously with the acoustic alarms, flashing light signals must be activated. These signs should be visible from all critical points in the facility to ensure that anyone, regardless of location, is alerted to the emergency. See infographic at the end of the post
4. Manual Emergency Systems Cold rooms should be equipped with emergency buttons accessible from the inside. These buttons allow anyone trapped inside the chamber to manually activate the acoustic and luminous alarms, ensuring a rapid response in confinement situations.
5. Regular Maintenance and Testing To ensure that detection and alarm systems function properly at all times, regular maintenance and testing is crucial. Detectors should be recalibrated and alarms tested periodically to verify their operability.
Below, we outline in a very graphic way the equipment we recommend to comply with the signaling for chambers depending on the temperature range in which they operate. They are divided into three types: Positive or refrigerated chambers: from 0º to 5ºC. Negative or freezing chambers: <0ºC Machine rooms and premises with more than 30 cubic meters of space
Energy labeling and eco-design for sustainable refrigeration
Eliwell has enhanced its range of EWNext Performance series controls with the new advanced EWNext P/R models, where the R refers to specific inrush relays with certified capability. Designed for refrigerators with on-board compressor, the new products maintain the feeling of the EWNext range by integrating the possibility of driving capacitive loads, such as electronic fans or LED light sources. In this way, the new controls can power these types of loads in the safest and most appropriate way.
The new proposal responds to the specific EcoDesign requirements of energy-efficient enclosure manufacturers, who are always looking for flexible, high-performance solutions with minimal environmental impact.
Like residential refrigeration, industrial and commercial refrigeration is increasingly forced to comply with the specifications dictated by Energy Labeling, which certifies the consumption of refrigeration equipment. Eliwell has therefore chosen to certify the outputs of its new EWNext P/R controls according to IEC/UL 61810-1 Clause D3, specific for inrush loads. On the label and documentation accompanying the new regulators, the possibility of supplying capacitive loads in terms of peak current and delivery time is indicated.
Five models for every need of EWnext P/R
The range consists of five EWNext models: from EWNext 971 to EWNext 978, from 25 A inrush current up to a maximum of 70 A. For simpler applications, such as commercial refrigerators, models with 1 inrush relay are sufficient, while for more complex requirements, such as the simultaneous management of fans and power supplies for LED lighting systems, the model with 2 inrush relays is available. For speed and flexibility in wiring, you can choose between screw or disconnectable terminals, 230Vac or 115Vac power supply, clock or internal buzzer.
Complementary accessories
EWNext P/R also has a range of accessories:
Wide Adapter, available with or without side switches, is designed for installation in existing furniture.
ECNext is a remote display that can be connected to EWNext controls to meet the application needs of refrigerated showcases.
The new family of controls is compatible with Eliwell Air and TelevisGo monitoring systems.
New equipment, new functionalities but always with the best personalized technical service that defines us as a company after 30 years in the market.
TELEVISGO10
Improved interface, very simple and intuitive menus and total time and labor savings with the possibility to prepare the system before installation
LKDNext
Refrigerant leak detection and signaling with the new LKDNext leak detector. Compact size. Multileakage. Total security
FREE OPTIMA
is the leading PLC control solution for compact machines. With its touch screen and intuitive programming, your business will be a more efficient and sustainable place.
CUSTOMIZABLE BOXES
It is the most complete and customizable solution for your cold rooms.
In a single device you can manage all the functions of a camera.
SECURE INTERFACE
Discover our new gateway for cybersecure communications with cloud connectivity. With Secure Interface, keep your communications secure and confidential
SECTOR-SPECIFIC DEVELOPMENTS
Distribution Refrigeration
- New Memory NT Version 2 codes - New customizable EVA AIR boxes - New customizable KDX EVA enclosures - Accessories for EVA AIR and KDX EVA enclosures - New LKDnext leak detectors - New pushbutton and LKD protectors - New HVAC wall probes - New color-coded probes according to application
Refrigeration Installers
- New Memory NT Version 2 codes - New customizable EVA AIR boxes - New customizable KDX EVA enclosures - Accessories for EVA AIR and KDX EVA enclosures - New LKDnext leak detectors - New pushbutton and LKD protectors - New Televis GO 10 codes - New Panel Server codes for wireless devices - New HVAC wall probes - New color-coded probes according to application
Manufacturers -OEMs Refrigeration HVAC
- New Free Optima programmable controller for compact machines - New LKDnext leak detectors
How to Unlock an IDNext is motivated by the request of a customer who in the last training we did in Eliwell Ibérica asked us for a very graphic video to show it to the rest of the team.
Said and done. We sent it to you and also thought it was a good material to share with the rest of our installer and/or distributor customers.
There are two ways of unlocking: fast and permanent way.
In the following tutorial we show you in the most graphic way how to unlock an IDNext electronic control. Follow the video instructions step by step.
If you still have any questions, please contact Eliwell Ibérica's technical service at:
sat@eliwell.es / 96 313 42 05
More about IDNext
IDNext is the new generation of refrigeration controls. Multiprobe thermostats suitable for use in appliances equipped with flammable refrigerants as they comply with the IEC 60 335-2-89 standard
IDNext is compatible with most models of variable speed compressors available on the market. Auto-tuning function allows for easy configuration of the control
IDNext features a new additional defrost algorithm that improves defrost performance and allows upgrading existing chillers without any hardware changes
IDNext is Green Premium, Shneider Electric's eco-mark that certifies that the product complies with RoHs Directive and REACH regulation.
At Eliwell Ibérica we transform industrial and commercial facilities into more efficient environments.
At Eliwell Ibérica we strongly believe in the power of energy efficiency to improve facility management and reduce the environmental footprint. In this article we discuss how we lead the transformation of various facilities into more efficient and sustainable environments.
Our innovation in Domotics and Inmotics
At Eliwell Ibérica we are deeply committed to innovation in home and building automation. We use regulation and control electronics to establish a centralized technical management. This allows us to configure and automate processes in various facilities, resulting in greater control and self-management capabilities.
High precision measuring instruments
We develop and manufacture highly accurate and reliable measuring instruments for industrial applications. Our experience in control and thermoregulation has allowed us to achieve extreme configurability and flexibility to adapt to various applications.
Solutions for commercial and industrial refrigeration
Our company is a leader in the measurement of variables affecting the commercial and industrial refrigeration sector. Our products are ideal for industrial applications requiring highly reliable temperature control.
Commitment to energy efficiency
Energy efficiency is a priority for us. Not only do we provide advanced products and technology, but we also work collaboratively with our customers to identify customized solutions that reduce energy consumption and operating costs.
Ideas and solutions for energy efficiency:
Energy lighting management: Implementing intelligent lighting systems that automatically adjust to natural light and the presence of people can significantly reduce energy consumption.
Optimization of refrigeration installations: Giving the maximum efficiency and performance to the elements that the refrigeration installation has, according to the working and environmental conditions, is how significant savings can be achieved, applying algorithms such as floating condensation, floating evaporation with the Televis Go, control of the dew point on the glass of the wall panels in commercial installations or by optimizing the operating point of the VEE according to evaporator behavior by mathematical algorithm with the RTX Domino Zero. RTX Domino Zero.
HVAC optimization: Controlling and adjusting heating, ventilation and air conditioning (HVAC) systems according to actual demand can generate considerable savings.
Monitoring and data analysis: Use monitoring and data analysis systems to identify energy consumption patterns and areas for improvement with Televis Go, Compact Touch or IDM savings. Solutions that can be complemented with Schneider Electric BMS solutions of which we are integrators.
Renewable energy: Consider incorporating renewable energy sources, such as solar photovoltaic panels to reduce dependence on conventional energy sources.
Conclusion:
At Eliwell Ibérica we are deeply committed to innovation in home and building automation, recognizing the potential of these technologies to have a positive environmental impact. We use regulation and control electronics to establish a centralized technical management. This allows us to parameterize and automate processes in various facilities, resulting in greater control efficiency and self-management capabilities.
We firmly believe that these solutions not only improve operational efficiency, but also have a significant impact on reducing energy consumption and lowering the carbon footprint of facilities. As more companies adopt efficient and sustainable technologies, we can look forward to a near future with greener facilities and a healthier environment for all.
Eliwell Ibérica presents the new product SmartAmbientThe purpose of this system is to control and monitor the indoor air quality for commercial premises, offices, hotels, restaurants, cafeterias, production centers, etc. to guarantee the air quality and that the premises always have the optimum conditions indicated in the RITE and that serve to avoid infections.
With SmartAmbient we manage and coordinate all the existing installations in the premises to achieve safe air quality. Continuously monitoring and improving the ventilation and air conditioning strategy in a comprehensive and automatic way according to the conditions that occur in real time inside the premises.
Well-controlled ventilation, temperature, humidity, heat recovery, ozone generation, ionization system and ultraviolet lamps are vital for a virus-free environment and energy savings.
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