FEATURE REPORT PRODUCT NEWS
Stulz
Humidity Solutions
Stulz has made available its new CyberAir 3PRO DX GE4(S) range for use in data centres. The latest addition to the highly successful GE series of precision air conditioning systems with indirect free cooling, the CyberAir 3PRO DX GE4(S) range is available in three sizes, with capacities ranging from 24kW to 71kW, to suit a variety of room volumes and power requirements. Extensive equipment options are also available to ensure optimum adaptation to individual customer requirements. As part of its commitment to delivering solutions with minimal
environmental impact, Stulz has confi gured the CyberAir 3PRO DX GE4(S) range to use future-proof A2L R454C refrigerant. A2L refrigerants, named after their ASHRAE safety classifi cation, are non-toxic, fl ame-retardant, and deliver high levels of energy effi ciency, with reduced global warming potential (GWP) ratings. R454C has a GWP of only 148 and meets the requirements of the F-Gas Regulation 2024/573. Safety in mission-critical environments is vital, and a central element of the CyberAir 3PRO DX GE4(S) range is an internal safety concept specifi cally developed for use with low-GWP refrigerants. The refrigeration circuit is certifi ed and tested to be permanently leakproof, while its optimised design also prevents refrigerant build-up within the unit. Additionally, two explosion-proof gas sensors are located in the housing and the control cabinet to monitor refrigerant concentration continuously. If elevated levels are detected, the system automatically shuts down all electrical components, except the fans, and triggers an alarm. Stulz recognises the importance of user friendliness, and its advanced E² control system, with a touchscreen display, enables intuitive operation of the CyberAir 3PRO DX GE4(S) range. Already used across the CyberAir Mini series, the E² control system has been further optimised for the new range, with support for extensive interfaces and protocols, including Modbus RTU, BACnet IP, BACnet MS/TP, HTTP, and SNMP.
www.stulz.com/products/detail/cyberair-3pro-dx
Following the success of its fi rst CIBSE- approved CPD webinar on humidifi cation in March, Humidity Solutions is set to deliver another informative session, this time focusing on dehumidifi cation. Scheduled for Thursday, 12 June at 2pm, the webinar will be hosted by humidity control specialists Freddie Kar and Arian Rao, off ering attendees the chance to deepen their understanding of dehumidifi cation systems while earning one hour of CIBSE CPD points.
Participants can expect expert insights on key topics, including:
■Understanding Relative Humidity ■Psychrometric Chart calculations ■The importance of humidity control ■Dehumidifi er sizing and selection ■Diff erent dehumidifi er types ■Essential design considerations ■Live Q&A session This webinar off ers industry professionals the opportunity to enhance their knowledge and stay informed about best practices in dehumidifi cation. To register, scan the QR code.
https://humiditysolutions.co.uk/
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www.acr-news.com • June 2025 33
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