M/s. S P Automation

HVAC Automation

A typical HVAC system consists of functionally or geographically distributed controllers that control several processes in a building or group of buildings either from a central host computer or through the Internet from a unit that connects the functions of the host computer and the webserver. Automation in HVAC systems is the most efficient technology where building owners can adjust their cooling and heating preferences over time and adjust them automatically without wasting energy. Installation of IoT sensors in these systems gives the power to detect when occupants leave or enter the room. It prevents the unnecessary consumption of energy (air cooling or heating) in unoccupied areas. Also, these systems connect to smart devices as well such as mobile phones or laptops. The users can remotely control the temperature when needed

HVAC automation consist of three parts.

i. AHU

The air handling unit (AHU) is the heart of central air conditioning. It collects outside air and room air, removes dust and other particles from the collected air, adjusts the temperature and humidity and then supplies comfortable and refreshing air-conditioned air into the rooms through ducts.

ii. CHILLER

A chiller is a machine that removes heat from a liquid coolant via a vapor-compression, adsorption refrigeration, or absorption refrigeration cycles. This liquid can then be circulated through a heat exchanger to cool equipment, or another process stream (such as air or process water).

iii. VENTILATION SYSTEM

Ventilating or ventilation (the "V" in HVAC) is the process of exchanging or replacing air in any space to provide high indoor air quality which involves temperature control, oxygen replenishment, and removal of moisture, odors, smoke, heat, dust, airborne bacteria, carbon dioxide, and other gases.

There are three main types of industrial ventilation:

• Natural Ventilation - natural ventilation that occurs in the work environment; openings in the ceiling, windows, doors and natural ventilation through the floor.

• Diluting General Ventilation - Diluting General Ventilation can be useful in industrial workplaces such as welding workshops, garages, and other places with a high level of fumes released into the air.

• Exhaust Ventilation –

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