PRODUCT NEWS
Bitzer
Bitzer‘s new Speedlite ELV52 scroll compressor is designed to meet the challenging requirements of air conditioning for electric buses and trains. Air conditioning systems for modern public transport have to meet a unique set of demands.
Space and weight constraints, rapidly changing conditions and working life have a direct impact on operators‘ investment and running costs, as well as future compatibility. Compressors must also be quiet with low vibration, and be very reliable due to the high cost of downtime. Bitzer‘s new Speedlite ELV52 compressor is designed to address these specifi c requirements for air conditioning electric buses and trains, to ensure a stable and comfortable environment for passengers.
The compact aluminium scroll compressor is around 50% lighter than conventional units, and designed to respond rapidly to the fl uctuating heating and cooling demands of transport applications.
It is compatible with a wide range of refrigerants, including
low-GWP fl uids and propane (R-290), making it future-proof in relation to F-gas regulations and extending working life. The unit has a wide operating range, enabling it to cater for swings in ambient temperature due to high solar gain and rapid cooling as a result of travel through tunnels. Compressor output is managed by a separate speed controller that adjusts cooling capacity to current cooling and heating load, ensuring steady temperature control inside the vehicle at all times. This results in higher effi ciency, not only for the Speedlite ELV52 but the entire system. Importantly, Speedlite ELV52 can be used as part of a heat pump-based system to heat and cool vehicles. Thanks to its integrated economiser, the compressor off ers excellent performance even in low ambient temperatures, further reducing operating costs and supporting decarbonisation eff orts.
www.bitzer.de/gb/en/elv-speedlite/
Condair
Condair has released a new podcast on how to size and select a commercial dehumidifi er, in association with BusinessNet Explorer. In this short interview, Dave Marshall-George, sales director, explains the important elements any consultant or installer needs to consider when approaching a dehumidifi er project.
Marshall-George commented: “This short podcast is ideal for anyone about to set out on a dehumidifi er job. Poor planning in dehumidifi cation can not only lead to a desired humidity not being met but it can also compromise the temperature control of an area or result in excessive energy use. In this podcast, I explain how to select which type of dehumidifi er to use, based on elements such as the temperature of the area in question, the level of control needed, available sources of energy and the physical characteristics of the building.” Alongside technology selection, the podcast also covers dehumidifi er sizing and installation considerations. It is available all major podcast channels, including Soundcloud, Spotify and Google Podcast by searching for ‘Condair’ and also on the Condair website at
www.condair.co.uk/podcast.
www.condair.co.uk
40 September 2023 •
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