COMMERCIAL AIR
CONDITIONING SYSTEMS
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Basic Air Conditioning Cycle:
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The Outdoor Section contains three main components. A compressor, fan motor and a
110F degree hot surface. The compressor pulls the refrigerant from the indoor unit into
the compressor, compressing the refrigerant and increasing its temperature to approximately
110F degrees. The 110F degree refrigerant is pushed into the copper tubes attached to the
hot surface. The outdoor fan blows ambient air across the hot surface. For instance, if it
is 90 F degrees outdoors, the 110f degree refrigerant will reject its heat content to the
ambient air and the heat always flows from a higher temperature to a lower one.
The hot surface is called the condenser coil. The refrigerant that exits from the outdoor
unit is sent to a metering device. The function of the metering device is to reduce the
pressure and temperature of the refrigerant. This cycle is continuous.
Indoors
The temperature of the refrigerant is lowered below the room temperature to collect
heat from the room. The heat flowing from higher temperature room is then passed over
the cold refrigerant.
Outdoors
The temperature of the refrigerant is raised higher than the outdoor temperature, which
then rejects the heat to the ambient air. By raising and lowering the refrigerant temperature
below or above the surrounding ambient air, heat is absorbed where it is objectionable and
rejected to where it is not.
Recap
Room heat is absorbed by the cold refrigerant and then rejected to the outdoors. The room
heat absorbed by the cold refrigerant is sent to the outdoor unit where the refrigerant is
compressed. The compression of the refrigerant raises the refrigerant temperature above the
outdoor temperature. The high temperature refrigerant rejects the heat that was absorbed at
the indoor unit emitting it to the outdoors.
At Bergen Refrigeration, our certified HVAC/R (Heating Ventilation Air-Conditioning -
Refrigeration) technicians can install, service, and repair all your commercial industrial
refrigeration, air-conditioning, and heating ventilation systems for any commercial establishments
in the Northern New Jersey area.
Our air conditioning technicians are trained to diagnose and fix any problem you may encounter
with your air-conditioning systems and perform routine maintenance and repair work to keep your
systems operating efficiently. Our maintenance programs keep your equipment running at peak
efficiency by adjusting all controls to factory recommended settings and then testing the
performance of the entire system using the proper tools and testing equipment.
Read more to learn about HCFC Refrigerant R-22.
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