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This morning, ISH China & CIHE - China (Beijing) International Heating Ventilation and Air Conditioning, Sanitary Ware and Urban Construction Equipment and Technology Exhibition (referred to as ISH Beijing Heating Exhibition) opened at the China International Exhibition Center (New Hall). This year's show brought together thousands of international brands in the industry, which will showcase t...
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The three-day Asian HVAC industry's annual event, the Beijing ISH China Heating Show, came to an end today. This year's Beijing ISH Heating Exhibition brought together more than 1,300 quality HVAC companies, attracting more than 75,000 Chinese and foreign visitors. Such a grand event, how can the "resident guests" of the ISH exhibition be absent? At the exhibition, Senwei brought the two types of ...
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Lot of people have a misconception that thermostat makes sure that water heater is switched off when the water is heated. People have a tendency of leaving the water heater “ON” all the time thinking that the thermostat will take care of switching it off when the water is hot. This tendency can lead to lot of electricity wastage. All water heaters loose heat through their body. Water once heated i...
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Things that you can do to save electricity in water heaters: Avoid over heating of water in water heaters. Keep thermostat at medium levels. Choose a right sized water heater so that electricity is not wasted in heating extra water that is not required. Choose efficient (5 star rated water heaters). Do not keep water heater on for longer durations. Just switch it on a few minutes before you need h...
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HVAC Controls
Mar 21, 2022
Controls for heating ventilating and air conditioning (HVAC) cover a broad range of products, functions, and sources of supply. We define control as the starting and stopping or regulation of heating, ventilating, and air conditioning. Our concern here is control devices and systems to control larger commercial and industrial HVAC systems, not residential heating and cooling, except in a few cases...
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The application of HVAC controls starts with an understanding of the building and HVAC systems, and the use of the spaces to be conditioned and controlled. The type of HVAC system determines the control sequence. Several types of control products such as pneumatic, electric, analog electronic, or electronic direct digital control (DDC) can then do the basic control sequence. The way buildings are ...
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