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MHI
A London hotel has recently upgraded its hot water generation plant using the Q-ton air-to-water heat pump system from Mitsubishi Heavy Industries Air Conditioning Europe (MHIAE) supplied by Beijer Ref UK and Ireland.
The Citadines Holborn-Covent
Garden London originally had gas-fired boilers, which provided potable hot water to the apart’hotel’s 192 apartments and communal breakfast area. Citadines required a replacement that could provide water at high temperatures, whilst ensuring minimal environmental impact. The project at the hotel, which is part of The Ascott Limited portfolio – CapitaLand’s wholly owned lodging business unit – is part of CapitaLand’s 2030 Sustainability Master Plan. Under this Plan a phased installation will also see the Q-ton system deployed at four other Citadines sites across the capital.
Unlike water heaters using gas or oil, renewable heating systems are not usually designed for instant hot water. Instead, KiPO designed the system using a method known as energy accumulation to meet the apart’hotel’s usage profile and peak load. The heat pump generates the energy, and a thermal store holds the hot water until it is used. Principal contractor Nationwide Air Conditioning installed
three Q-ton heat pump units and six 1000-litre storage vessels at ground level while the original gas-fired water heaters at the roof level were still in use. The transition to the new system took just a few hours
towards the end of the project, ensuring minimum disruption to the property. Nationwide was supported throughout the installation by the MHIAE specifications team. This included online design, training, system design schematics, a pre-commissioning site visit and assistance with final commissioning.
In addition, the hotel is equipped with a Q-ton Remote Monitoring System (QRMS), a tool that monitors Q-ton’s operation, provides the team with a quarterly report comparing energy usage and efficiencies against gas and electric equivalents and self-analyses to highlight any potential operation or maintenance requirements.
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https://mhi-hvac.co.uk/our-products/q-ton-water-heating/
Toshiba
Toshiba Air Conditioning is transforming its approach to equipment commissioning, warranty registration and installer training to provide a simple and quick online system with major benefits for contractors and end-users. The online commissioning and
warranty tools are now fully integrated, with Toshiba Air Conditioning’s web-based training portal feeding into the same system and keeping all relevant information updated. The automated system works for both direct and distribution customers, while end users can see all their equipment across multiple sites, together with maintenance records and warranty claims. Each customer has a single login to the commissioning and warranty tool, with engineers linked to the account. Training data is automatically generated by the training portal, showing qualifications gained and expiry dates for each engineer. The dashboard shows pending and open warranty claims, the number of trained engineers and a list of sites. From here, the customer can add end user details, site information and see eligible warranty levels before selecting the equipment. Once all items are chosen from the drop-down menus, a final page shows the complete equipment list for a project, together with downloadable warranty certificates to send to the end user. To date, customer response has been positive with more than 3,000 commissionings and 100 warranty claims logged through the portal. Toshiba Air Conditioning is committed to improving industry standards and bases its warranty scheme on installer competence, experience and knowledge, rather than ability to spend. The T5 Standard five-year warranty is available to F-Gas registered engineers, the T7 Approved warranty requires successful completion of three mandatory Toshiba Air Conditioning training qualifications, and the T7 Enhanced warranty is open only to businesses that are part of the REFCOM Elite scheme, which requires advanced quality assurance procedures. For all three levels, the online warranty tool enables customers to easily add claims, with email confirmation sent once each claim has been dealt with by the warranty administrator. Approved claims are credited at the end of the month they are completed.
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www.toshiba-aircon.co.uk
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www.acr-news.com • January 2023 35
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