Deck 8: System Location

Question 1

__________ air handler units can be configured for right-hand or left-hand flow with only minor alterations to the position of the internal drain pan located within the unit.

A) vertical downflow
B) vertical upflow
C) horizontal

Answer 1

C

Question 2

To prevent prevailing wind from affecting the operation of the air conditioning system, the condensing unit should be positioned in a __________ location. __________ provide very good protection for the unit, preventing wind from blowing through it. However, they must be to __________ prevent them from blocking the unit's coil surfaces. The __________ can also create an airflow problem through the coil itself if they are pulled into the unit.

Answer 2

shielded, shrubs, trimmed regularly, leaves

Question 3

Which type of air handler would be best suited for a system where the air handler is located in a basement?

A) vertical upflow
B) vertical downflow
C) horizontal

Answer 3

A

Question 4

List six factors that must be considered in order to establish the proper location for the condensing unit of a split residential central air conditioning system.

Question 5

For residential applications, the packaged air conditioning system is positioned at ground level, very close to the structure. When selecting the location for the unit a number of factors must be considered. List six of these factors.

Question 6

The interior surfaces of ductwork offer resistance to airflow, reducing the __________ of the air moving through it and thus the air conditioning system's operating efficiency.

A) cleanliness
B) density
C) humidity
D) velocity

Question 7

In addition to removing heat from the air, the air conditioning system also __________ the air, thereby creating __________, which is the moisture removed from the air.

A) condenses, humidity
B) dehumidifies, condensate
C) humidifies, condensate
D) hydrates, condensate

Question 8

One of the most important factors that will affect the success of the split air conditioner's installation is the condensing unit's __________ with respect to the indoor unit. The distance between these two pieces of equipment determines the length of the refrigerant lines that must be installed. The __________ these lines, the better.

Question 9

When the air handler is located in the basement, a __________ is needed to move the condensate up to an overhead line..

A) condensate line
B) condensate pump
C) waste line
D) waste pump

Question 10

The condensing unit of the split air conditioning system contains a __________ and a __________, both of which generate noise that could be distracting to those around it.

A) compressor, fan motor
B) compressor, air handler
C) fan motor, air handler
D) fan motor, plenum-type duct system

Question 11

Lengthy duct runs will have a __________ effect on the operation of the air conditioning system.

A) long-term
B) negative
C) positive
D) short-term

Question 12

When the air handler is located in an attic or overhead area, the condensate drain line should be routed to the __________ of the structure, if at all possible.

A) basement
B) inside
C) outside
D) rear

Question 13

List six factors that must be considered when choosing the location for the indoor unit of the split air conditioning system.

Question 14

Wherever the condenser unit is located, it should be perfectly __________. This will prevent __________on the condenser fan motor. The unit should never be set directly on the ground, as this can cause the unit to __________ and the coil to be blocked with __________. The unit should be located __________ ground level and should sit on a slab made of one of a number of materials, such as __________ or __________.

Question 15

Which of the following is the most likely outcome if the condensing unit is not properly leveled?

A) The condenser fan motor will fail prematurely.
B) The compressor may fail prematurely.
C) The condenser coil will become blocked or clogged more quickly.
D) The suction pressure will drop.

Question 16

Which type of air handler would be best suited for attic installation?

A) vertical upflow
B) vertical downflow
C) horizontal