Light commercial solutions Top-up


www.heatingandventilating.net


pressurisation for light


commercial buildings


Rob Clemson, technical director of Flamco Comap, Aalberts Group, examines a new innovation to meet the demand for advanced top up pressurisation in light commercial buildings


T


here’s a new solution available in the UK, a pumpless, top-up pressurisation unit courtesy of manufacturer, Flamco. The new FlexFiller


Direct G4 provides pumpless system top-up for sealed systems. The company has responded to demands from customers up and down the country by breaking through the ‘glass ceiling’ for this kind of equipment and now offers a solution for small commercial and residential systems requiring top up pressurisation. These new units are available from merchants now. The unit is a slim, wall mounted, low flow rate – maximum 14 l/min depending on the boosted mains feed water pressure – pumpless, top-up pressurisation unit. It is designed to be connected


directly to a building’s incoming mains or boosted water supply via the included flexible hose connections and to fill a heating or chilled water system without the use of a pump. The unit comes with a user-friendly controller that displays all operating and error conditions in an easily understood and straightforward way. It features extensive data storage for online and offline analysis, microprocessor control and self-learning with a graphics display. It comes with MODBUS RTU and BACnet communication protocols so it can be integrated into a Building Management System if required. The unit is packed with algorithms to monitor expansion-vessel health, safety valve activations and leak detection. Sean Blandford, Flamco managing director in the


UK, says: “Introducing this unit in the UK has been something of a personal crusade for me. Customers have been asking us to provide this unit for a while and we have had to mount a concerted campaign to get an alternative solution recognised by the authorities. After a lot of work by our technical team in Holland and some interesting conversations with the authorities in the UK, we now have a quality unit available for customers to specify and for installers to integrate into installations as they wish. It’s a cost-effective option with what we believe to be significant benefits when compared to similar equipment that has been available for many years. We have developed a well-earned reputation for impressive control technology and the controller on this unit offers a wide range of benefits you would find hard to match.” The of unique features includes backflow


Above: Rob Clemson, technical director of Flamco Comap, Aalberts Group


20 January 2023


prevention Category 4 and the advanced technology incorporated in the unit ensures the lowest possible power consumption. It comes with a long service life and simple maintenance and a full


five-year warranty. The unit is a silent, pumpless pressurisation unit that fills the system from empty. It’s effective for systems up to 15,000 litres in size and importantly comes with fluid protection category 4 backflow prevention. The unit provides an on-screen service reminder every 12 months. The unit is available in two colours - grey (RAL7016) and red (RAL3002) and comes password protected. The pressure settings are in 0.1 bar increments. In addition, the unit has a floor protection runtime limiter and excessive activation logging. It has a volt free contact - common alarm (N/C or N/O) – and is fully programable for specific alarms and customisable via the control unit. It offers extensive data storage for online or offline analysis and advanced technology ensures the lowest power consumption, a long service life and easy maintenance. It features microprocessor control, and ‘self-learning’ with a quality graphical display. Amongst the advantages of this unit are that it has a universal connection to drain which fits 22 mm copper compression, 32mm PP push fit and 32mm PP solvent weld discharge pipe to BS 5254 or BS EN1451. The user-friendly control unit displays all operating and error conditions in a logical and convenient way. It features four status LED indicators, system safety valve monitoring, leak detection and a usage monitor, logs and counters. It can be combined with the Flamconnect Remote


Service. And to cover all eventualities and unlike its main competitor, it comes with two 400mm flexible hoses - for mains and sealed system connection - included for easy installation.


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