rotary heat exchangeralso called an energy wheel, or energy recovery wheeland the benefits of incorporat-ing such a device in an air handling unit. PRINCIPLES OF ENERGY RECOVERY Energy recovery involves a transfer of energy between an exhaust airstream and a supply airstream. Figure 1 illustrates the heat transfer process of an energy recov-
Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. It has dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments for more than 16 years.
Air Handling Unit Control:Energy Recovery Wheel Elevate Oct 09, 2017 · The greater the difference between the enthalpy, the more heat transfer! When unit is cooling:If outdoor air enthalpy is less than exhaust air enthalpy the energy wheel should be disabled, and the energy wheel bypass damper opened. The outdoor air is more beneficial for cooling without mixing. This situation allows for free economizer
Control system. Units can be provided with fully ted to desired operational values. Air handling units 11 Heat exchanger. High quality and energy-efficient heat exchangers are available:rotary heat exchanger, plate type heat exch-anger, heat pipes or run around coil heat exchanger. Base frame. The base frame is made from
DEHUMIDIFICATION STRATEGIES AND THEIR Dual Wheel System with Cooling Coil In this process, an additional, sensible heat recovery wheel is introduced after the cooling coil to provide free reheat (refer to Figure 3). Exhaust air first passes through the sensible wheel (4-3) where it transfers heat to the supply air (3-4) to heat
Engineered Air's HRA Series is an energy recovery package specifically designed to reduce the high costs of conditioning ventilation air by recovering a significant portion of the thermal energy from the exhaust air. Application Air to air heat exchangers can be employed in any ventilation system to reduce energy consumption. Systems that see the greatest benefit are the ones that have high
Air conditioning system with enthalpy recovery for space Dec 15, 2020 · The air handling unit (AHU) is designed as a two-wheel system relying on a heat recovery wheel (HRW) and a desiccant wheel, operated in enthalpy recovery mode (EW). The reference room is equipped with different thermally activated building systems for sensible heat transfer.
Instead of exhausting building energy to the outside, it is temporarily captured on the surfaces of the enthalpy wheel heat exchanger and then released to pre-heat, pre-cool, humidify or dehumidify the incoming air. Enthalpy wheels do this with exceptional efficiency and are the leading technology for achieving energy conservation while ventilating for health and comfort.
Energy Recovery Wheels What is an Enthalpy Wheel? DAC Jan 16, 2012 · The Enthalpy Wheel, coated with a desiccant material, is rotated between the incoming fresh air and the exhaust air. Heat and moisture are given up to the wheel. When the space is in the heating mode, the heat and desirable humidity is used to pre-condition the incoming, cold, dry air. In the cooling mode, the incoming air is pre-cooled and dehumidified.
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