Cooling is becoming a rapidly emerging priority in modern industrial, commercial, and domestic settings, which means that building design and façade measures must lower cooling loads, and air-conditioning performance must be optimized. Air conditioning systems are used in a variety of industries, including construction, manufacturing, and transportation making HVAC installation training a fruitful career path.
Air conditioning systems are classified into
two types: central air conditioners and room air conditioners. The efficiency
of modern air conditioner technology is substantially higher providing more
reliability in reduction of CO2 emissions.
What
Does Air
Conditioning and Electrical Technology Entail?
An air conditioner uses a cold internal coil
known as the evaporator to cool a building or a transportation area. The
absorbed heat is released outside via the condenser, which is a hot outside
coil. The coils for the evaporator and condenser are serpentine tubing wrapped
by aluminum fins. Typically, this tube is made of copper.
The compressor is a pump that transports heat
transfer fluid (or refrigerant) between the evaporator and the condenser. The
compressor pushes the coolant through the coils' tubing and fins circuit. The
supply ducts and registers (grill-covered apertures in the walls, floors, or
ceilings) transport cooled air from the air conditioner to the building. As the
chilled air circulates the house, it warms up and returns to the central air
conditioner via the registers and return ducts.
Air
Conditioning and Electrical Technology Technician Training Helps You Understand
Types of Central Air Conditioners
A central air conditioner is classified as
either a split system or a packaged unit. In a split-system air conditioner,
both the compressor and condenser are housed in an exterior metal cabinet,
while the evaporator is housed inside the cabinet.
In most air conditioners adopting the split
system, the indoor cabinet contains a heating furnace or the inside portion of
a heat pump. The evaporator coil of an air conditioner is located in the main
supply duct or cabinet of this furnace or heat pump. In some homes where a
furnace is used without any air conditioner in place, the most economical
central air conditioner is the split-system central air conditioner.
In the packaged central air conditioner, the
evaporator, compressor, and condenser are all housed in a single cabinet,
commonly installed on a roof or a concrete slab close to the house's
foundation. This sort of air conditioner is often employed in small commercial
and industrial applications.
Clean air supply ducts and return ducts to
eliminate the used air run from within the house through the roof and outer
wall facades connecting to the packaged air conditioner, which is normally
positioned outside. Packaged air conditioners are frequently equipped with
electric heating coils or a natural gas heater. This combination of an air
conditioner and a central heater reduces the need for an indoor furnace.
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