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ABB
motors. Energy usage has been cut by 445,000 kWh a year – enough to boil goals after equipping its HVAC systems with ABB drives and high effi cienc y ffi The InterContinental Madrid is saving energy and meeting its environmental
systems be upgraded with variable speed drives (VSDs) and electric motors motors and the pumps were ineffi cient. ABB recommended that the pumping use was high, particularly in the existing baseplate pumps, where both the to carry out a detailed energy survey. It revealed that the hotel’s energy practice and called in ABB’s offi cial value provider in Madrid, Exel Industrial, was concerned that its energy efficiency levels were below current best hot water supply for guest rooms, kitchens and other facilities. The hotel The hotel has eight pump groups that serve its HVAC systems, as well as two million kettles of water.
integrated into building management systems. Using VSDs to regulate the and 16 IE3 motors were installed in new baseplate pump groups and compliance with EC regulations. In 2016, a total of 13 ABB HVAC drives with the IE3 energy effi ciency classi fi cation that is now mandatory for
ffi
stress on the pumping systems, helping to extend while offer savings as offer opera at any given time. The drives and motors also are now adjusted to match the precise demand considerab pumps provides the system with greater stability and
are also being decreased by a longer pump lifespan, especially as the VSDs maintenanc
ce intervals. Overall maintenance needs he pumping systems, helping to extend ing smooth starting. This reduces the they help to lower running noise ational benefits that go beyond energy n time. The drives and motors also djusted to match the precise demand ble energy savings, as the motor speeds vides the system with greater stability and
can eliminate the potentially harmful eff intelligent m
eing decreased by a longer pump lifespan, especially as the VSDs ate the potentially harmful effects of pump cavitation.
Morton Wierod, president of ABB’s Motion business, commented: “Our ABB IHG not only to meet, but exceed its Green Engage goals. Over a year, that
adds up to 445,000 kWh, cutting the hotel’s annual energy bill by more than £28,000 to
new.abb.com
deliver a projected return on investment in less than two years.” 445,000 kWh, cutting the hotel’s annual energy bill by more than y to meet, but exceed its Green Engage goals. Over a year, that motion solutions enable energy savings of around 40%, helping
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42 May 2019
www.heatingandventilating.net
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