Air Handling Unit

Question 1

A factory-made encased assembly
consisting of a fan or fans and
other necessary equipment to perform one or more of the functions of circulating,
cleaning, heating, cooling, humidifying,
dehumidifying and mixing of air.

Answer 1

Air Handling Unit

Question 2

The AHU is
used to control
the following
parameters

Answer 2

• Temperature
• Humidity
• Air Movement
• Air Cleanliness

Question 3

serves a big part in
the ventilation system.

Answer 3

Air Handling Unit (AHU)

Question 4

is the heart of central airconditioning.

Answer 4

Air Handling Unit (AHU)

Question 5

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 airconditioned air into the rooms through ducts.

Answer 5

Air Handling Unit (AHU)

Question 6

They take _______ from outside and
then clean this, heat it or cool it, may be humidify or dehumidify it, and then they’ll force it through some duck work around to the designated areas
within a building.

Answer 6

fresh air ambient air

Question 7

this will measure the
how dirty the filters are and notify it’s
time to replace the filters.

Answer 7

Pressure Sensor

Question 8

used for
measurement of temperature of a room, Air Duct, Hot/Cold Water, Outside air.

Answer 8

Temperature Sensor

Question 9

used for
measurement of Relative Humidity of room, Air Duct, Outside air.

Answer 9

Relative Humidity Sensor

Question 10

are used for measuring diff. pressure,
positive pressure and vacuum.

Answer 10

Differential Pressure Sensors/Transmitter

Question 11

Generally located in the
discharge air stream.

Answer 11

Coils

Question 12

Using outside air for cooling rather than mechanical cooling

Answer 12

Economizer mode

Question 13

Type of AHUs

Answer 13

• Fan coils
• Blower coils
• Packaged
• Modular (Revolution TFX)
• Custom