Fresh air heating machine

Fresh air heater is a kind of air conditioning equipment to provide fresh air. Function can be achieved according to the requirement of the use of the environment on the constant temperature and humidity or simply provide fresh air.

Working principle is to extract the fresh air outside after dust, moisture or humidification, cooling (or heating) after processing by the fan to indoor, replace the interior air when it enters the interior space. Of course, the above mentioned functions according to the needs of using the environment, the function is complete cost higher.

To ensure the indoor air quality, equipped with central fresh air system for interior space, and the supply of fresh air and the fresh air handling host is called air units.

New wind turbine control include: the supply air temperature, air relative humidity control, antifreeze, CO2 concentration control and interlock. If the fresh air unit should consider to undertake indoor load (e.g., once-through unit), has to control indoor temperature (or indoor relative humidity).