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| Rotopower offers design solutions for energy conservation oriented air conditioning systems that are duly compliant with ASHRAE, National Building Code (NBC) 2005 and Energy Conservation Building Code (ECBC). |
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| We understand that appropriate sizing of HVAC components is critical for the design of energy efficient system at optimum cost. Hence we adopt a systematic approach towards HVAC sizing, taking into consideration various factors such as climate, building configuration, space usage, system zoning and layouts. |
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| Besides this we rely a lot on the annual temperature data of specified location and run the HAP software to arrive at optimum levels of heating/cooling required. |
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| The heart of the HVAC system is the chiller. Depending upon the availability of water we normally propose high efficiency water cooled, low IKW/TR chillers on most of the projects. Design decisions are dependent on type and capacity of plants and large chillers are specified with variable speed drives. |
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| All the chillers are specified with microprocessor based control system along with chiller manager to monitor all the parameters of the plant. Most plants fall under one of the category of chillers. |
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| Energy efficient screw chiller |
| Centrifugal chiller |
| VFD driven chillers |
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| Each chiller is backed byinterlocked multiple primary chilled water pumps, secondary chilled water pumps with variable frequency drives, condensing water pumps,cooling towers. VFD driven double skin air handling units with thermal break and variable frequency drive, fan coil units, chilled and condensing water pipes and air distribution system. |
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| Efficient air distribution system is function of pressure drops and noise by appropriate designing of the duct size, minimizing the bends & elbows and selecting the right type of air outlets. Keeping in view the building design weinteract with architect/interior designerand propose duct type. |
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| In an AC building health of its occupants is of main consideration to us. Besides this, there is migrant population in an office environment that offers challenge with energy costs with variable requirement of ventilation. |
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| Through demand control ventilation we estimate the number of occupants in a space and reset the ventilation rate from the design occupancy to actual occupancy. We deploy Carbon Dioxide (CO2) sensors for demand control ventilation. Demand control ventilation increases energy conservation, reduce wear & tear of the equipment and enhances indoor air quality. |
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| Conservation of energy is prime focus of our designs and therefore, we propose Variable air volume systems to provide the right quantity of cool air for a specific building zone and at the same time supply different volumes to different zones. This resultsinvariation of total supply of cool air during the operation, depending on the heat gain level in different parts of the building. |
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| Basement car park ventilation is often provided with exhaust fans to operate during normal occupancy hours. In accordance with ASHRAE Application Handbook, with reduction in vehicle emission, lower ventilation rates may be considered while designing the ventilation system for car parks. Accordingly, we recommend fans to be provided with VFD's which are actuated through CO Sensors based on the level of CO concentration, thus resulting in substantial energy savings. |
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