Cooling Tower Evaporation Cools Water | HVAC Technical

by | Commercial HVAC | 0 comments

Cooling Tower Evaporation Cools WaterCooling Tower Evaporation Cools Water | HVAC Technical - Cooling towers use the process of evaporation to cool or removes heat from the condenser water that was transferred to the water in the chiller condenser barrel. The heat is absorbed in the load in this case in a data center on a data center floor. The servers and electrical equipment produce a massive amount of sensible heat.

The heat is absorbed by computer room air conditioners or computer room air handlers. These systems, computer room air handlers, and air conditioners have chilled water coils. The chilled water originates at the chiller into the primary loop. The water circulates through the primary loop and makes its way into the secondary loops. (more…)

Superheat and Sub-Cooling Refrigeration HVAC

by | Refrigeration | 4 comments

Refrigeration HVAC - Superheat and Sub-cooling
Superheat and Sub-cooling - In HVAC refrigeration coils and fans are used for air conditioners and heat pumps to transfer heat in one direction or another. A good HVAC technician is well versed in refrigeration. Refrigeration is defined as moving heat from one place to another. Modern air conditioners and heat pumps use a chemical refrigerant used in vapor compression refrigeration.

This chemical refrigerant has great properties for absorbing heat. What makes these chemicals so efficient is the temperature at which they change state or change from a liquid to a vapor and condense back to a liquid again. This is key to understanding superheat and subcooling. (more…)