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11 - 13 October 2022 // Nuremberg, Germany

Supporting Program 2018

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Hall 7A: Refrigeration

Anticipate leaks in your refrigeration systems and reduce energy consumption with an intelligent connected solution Vortragssprache Englisch

Combined with a remote monitoring web interface (Sentinelle), DNI constantly monitor installations (leaks, refrigerant charge evolution...) through measurements every 2 to 3 seconds. This method provides not only a relevant response to the European regulatory requirements (EU F-Gaz 517/2014 Art. 5) which require the installation of a detector to alert the operator in case of leakage for installations containing more than 500 t eq. CO2 emissions, but also provides an energy efficiency solution by monitoring systems performance. The DNI is not only focused on the reduction of direct emissions through the detection of leaks but also provides two additional modules to reduce indirect emissions from refrigeration installations: 1) Energy module: the energy module calculates the consumption of compressors, condenser fans and pumps for indirect systems. It measures the actual COP of the installation and allows the monitoring of energy excesses. Linked to the Sentinelle interface, it gives the possibility to compare consumption before and after retrofitting, but also across several installations. It is also possible to compare the COP of the installation with the best COP of similar installations. 2) HP Floating module: the high pressure floating control works by continuously calculating the optimal condensing pressure depending on the outside temperature and then regulating the condensing pressure by adjusting the cooling capacity at the condenser. Sentinelle interface: data visualisation and alarm management. The connection of the DNI and its modules to the Sentinelle interface provides an overview of the installed DNI and the quantity of refrigerant in use. In case of leakage, an email alert is sent to the operator with an estimation of leakage rate and the quantity of refrigerant loss. A complete review of the refrigerant level, energy consumption and the COP is available in a follow up report. Quick visual indicators such as leak rate, leak response time and installation TEWI are also available, providing essential information at a glance, for the monitoring of installations.

--- Date: 18.10.2018 Time: 14:00 - 14:20 Location: Hall 7A, stand 7A-618

Main speaker

 Christophe Morote

Christophe Morote

Manager / Matelex


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