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CONDENSATE REMOVAL A reliable and quiet soluon


Condensate pumps may not be the first thing that consultants consider when specifying HVACR plant for buildings. But removing condensate safely and eciently is vital to ensure equipment is working eecvely. Chris Forshaw, Technical Manager at Aspen Pumps, explains how the latest tank pumps oer a reliable and quiet soluon.


generated by HVACR systems is channelled out of a building to drainage. When installing air conditioning (AC) systems, engineers have often had to face the headache of where to install the pipe to remove the condensate. Traditionally, a gravity drain was considered a simple solution for condensate removal. However, in reality, on site, a gravity drain can often prove anything but simple to install. This traditional method has many potential disadvantages, such as water damage issues, space limitations and inflexibility of installation.


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The development of condensate removal pumps in the AC market has therefore given installation flexibility, allowing a pump to be fitted either in on or above the AC unit thus allowing the water to be pumped up and away from the unit without the need for gravity. These pumps can simply and effectively remove condensate water whatever the application, whether in a flat on the 30th floor of a building, or in the basement of an office block. Since the first condensate pumps appeared there have been many innovations meaning there are now various kinds of pumps to suit different applications. When it comes to specifying a pump for an application where there are high levels of condensate generated or in an industrial setting, a tank pump has often been selected as the right pump for the job. Tank pumps are known in the industry to be very robust and reliable pumps and can deal with large amounts of condensate.


Low proflle uAspen HiFlow Tank Pump.


Recent technological advancements within the tank pump sector means manufacturers are now producing tank pumps with a shallow profile making them suitable for a wider range of projects. This new compact generation of tank pump is suitable for installations from slimline AC cassettes all the way up to Air Handling Units, offering all the condensate capacity expected from a tank pump but in a shallow profile. For instance, Aspen Pumps’ MAX Hi- Flow benefits from a low-profile design, at only 134mm high, 144mm wide, by


hen specifying HVACR plant,


condensate pumps may not be front of mind. However, it is vital that the water


285mm long. This makes it ideal for locations where space is limited, such as ceiling voids, and cassette air conditioning applications.


Silence


Noise reduction and quiet operation are crucial in today’s evolving HVACR industry and are key specification considerations for consultants. Until now, tank pumps have often been specified for use in more heavy-duty applications, where noise control is less of a priority. However, the tank pump’s new shallow profile means it can now also be deployed in areas where quiet running is essential. As a result, the new tank pumps have been designed to be not only low profile but are extremely quiet.


This means that the latest tank pumps now offer specifiers large capacity pumps that can handle greater volumes of condensate than other pumps, thus improving air quality in noise-sensitive applications that produce high levels of condensate. For example, the MAX Hi-Flow tank pump is arguably the quietest tank pump available on the market, with an operating noise level of just 44dB(A), thanks to a specifically configured motor and impeller system.


Installaon


When specifying a condensate pump, it is essential to ensure it fits the needs of the application, but it is also vital to ensure it is easy to install and maintain. These factors mean the tank pump will perform to its optimum performance and in turn help ensure the AC or other HVACR unit does the same.


Ensuring an AC system is cleaned and maintained can improve AC energy efficiency by up to 30% – an important saving for end-users. Manufacturers have therefore designed the latest tank pumps with features that simplify installation and maintenance. For instance, water spills are particularly hazardous for installers working in a ceiling void, where live devices are installed. Therefore the latest pumps, such as the MAX Hi-Flow, boast an Ingress Protection (IP) rating of 24, raising tank pump safety to a new level. IP24 means a tank pump is protected from touch by fingers and objects greater than 12mm, as well as from water spray from any direction, making it totally splash proof. This is particularly beneficial for engineer safety during routine maintenance. Operation also remains safe in the event of water leaks near the pump, helping protect the pump and so the AC system. Another feature that simplifies and speeds-up installation of the latest tank pumps is a built-in spirit level, meaning engineers don’t have to balance a separate one on the tank pump, avoiding the risk of things being dropped. The lid of the tank pump contains a red LED indicating the presence of power helping to speed up fault diagnosis. Plus the newest tank pumps feature a single screw quick- release reservoir, which means they can be serviced while the pump deck and motor are still attached to wall or


24 BUILDING SERVICES & ENVIRONMENTAL ENGINEER DECEMBER 2017


rod mounts, helping engineers avoid dismantling the whole pump and reservoir water spills.


System protecon


Tank pumps are known for their reliability, but to add peace of mind the latest tank pumps can offer protection to the HVACR itself. The tank pumps interface fully with their Normally Closed or Normally Open high level contacts to any BMS or HVACR systems which means they can turn off an AC system if there is a troubleshooting problem, for instance if the condensate pump has not been maintained correctly. This feature is particularly valuable in high-risk applications where potential water damage would be disastrous, such as data centres. So whether specifying an AC system or an AHU, tanks pumps can tick all the right boxes for consultants offering a safe, quiet and efficient way to remove condensate.


www.aspenpumps.com ‘ Unl now, tank pumps have oen been


specified for use in more heavyduty applicaons, where noise control is less of a priority. However, the tank pump’s new shallow profile means it can now also be deployed in areas where quiet running is essenal.


’ VISIT OUR WEBSITE: www.bsee.co.uk


uAspen Pumps’ MAX HiFlow tank pump has an operang noise level of just 44dB(A), thanks to a speciflcally conflgured motor and impeller system.


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