Construct a sketch to show the working of an air handler of the blow-through type with...

Construct a sketch to show the working of an air handler of the blow-through type with cooling and
heating coils in series? Clearly label all parts and components and briefly explain its working?

Expert Solution

Working of the Blow-through type Air handling unit:

The Fresh air and return air are mixed to the required proportions in the MIXING CHAMBER. The quatities of both are being adjusted by flaps or dampers.
The blower unit contains a CENTRIFUGAL FAN which circulates the air and maintains the draft in the system.
The air from the mixing chamber is sucked through a filter medium and blown through a COOLER where the air is cooled and dehumified. Then it passses through the humidifier where it gets humidified as required.
Now the air passes through a heating coil and is discharged to the accomodation spaces.
Heater is just a steam coil.
Cooler is the evaporator section of a conventional airconditioning system.

samet mamat answered 2 years ago

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