Introduction To Fan Coil Units Flashcards
How is the fan coil unit different from an air handling unit?
The size and application.
In which type of space might you find a floor mounted concealed unit?
Data centers
What is necessary to maintain efficient and effective operation of a fan coil unit?
Regular inspection, maintenance, and cleaning
What is the main purpose of a fan coil unit?
To condition the air in a single room
What is one disadvantage of using a fan coil unit?
Higher ongoing maintenance requirements
Which type of FCU is more likely to produce the most noise?
Ceiling mounted exposed
Which component of the FCU allows you to regulate the temperature of the room?
The controlling thermostat
What is one advantage of wall or floor mounted FCU’s?
Ease of access for maintenance
What is an advantage of a fan coil unit when compared to central systems?
FCU’s have lower installation costs
What is the purpose of the drain or condensate pan in a FCU?
To catch water that drips from the cooling coil
What type of FCU system has a lower cost for piping and installation?
Single loop or two-pipe system
What is a disadvantage of uncoordinated fan coil units in a building?
Uneven temperature distribution
What is the purpose of the air vent in a fan coil unit?
To draw in air from the room
In which type of space is a ceiling mounted-concealed fan coil unit typically found?
Office spaces with drop ceilings
What can cause a fan coil unit to be noisy?
Improperly installed, old/damaged motors, and fan blades not properly aligned/balanced
What component of the FCU is responsible for heating and cooling the air?
The coil
What is one advantage of using a four-pipe system?
Can heat and cool a space without a coil changeover
How do FCU’s improve air quality?
By capturing dust and pollen in air filters
What does the cooling coil of an FCU draw water from?
A centralized chiller
Which national code is a fundamental part of the installation of FCU’s?
National Electrical Code
What can happen if a fan coil unit is improperly sized for its designated space?
Decreased energy effciency
What component of the FCU helps regulate the temperature of the water flowing through the fan coil?
The actuator valve
Which authorities are responsible for regulating codes related to FCU installation?
States, cities, or towns
What separate system is required for fan coil units to introduce fresh air?
A ventilation system
What happens after the air goes over the cooling or heating coil in an FCU?
The air is expelled back into the room
Which type of fan coil unit is common in hotel rooms or apartments?
Wall or floor mounted
How can fan coil units help reduce heating and cooling expenses?
By up to 20%, by being able to choose which rooms to cool down or warm up
What component of the fan coil unit is responsible for drawing air from the indoor space and moving it over the coils?
Blower
In what type of setting might the noise from a fan coil unit be an issue?
Office or residential building
What does AHJ stand for in the context of Fan coil units?
Authority having jurisdiction
