Nate Installation Guidelines
registers accomplishes the mixing of the air, the grille does
not.
A. Supply,
Return
B. Return,
Supply
C. Dampers,
Supply
D. Dampers, Return correct answers A. Supply,
Return
On New construction projects, the indoor section should be in the
mode
the during phases of
finishing
construction.
A. In
Cooling
B. In
Heating
C. Fan
Only
D. Off correct answers D.
Off
The low return air temperatures can lead to the formation of condensate.
Condensate
the presenceinof chlorides and fluorides form paint, varnish, stains,
adhesives, cleaning
compounds, and cements creates a corrosive
condition.
To reduce the sound transmission of the indoor unit in a closet, alcove or
utility
you room
should
A. Insulate the
return
B. raise the blower
speed.
C. Use
D. Lower the blower speed. correct answers C. Use
isolators.
isolators.
Isolation pads absorb the vibrations caused by the blower motor or by
refrigerant
pumped being the connection
through
tubing
A package unit installed at ground level must be installed on a slab that has
a surface
least 3 1/2atin. above ground level to minimize noise
transmission.
A.
True
B. False correct answers A.
True
the slab should not be in contact with the structure to minimize noise
transmission
are used for packaged unit installed on a roof to reduce sounds
transmission
prevents water and
leaks.
, A.
Silicone
B. Curb
gaskets
C.
D. Roof Tar correct answers B. Curb
Flashing
gaskets
Flexible ductwork connectors also my be needed to isolate noises
generatedrooftop
operation by an
unit.
What is the minimum lift required in a residential
application?
A. 2
in.
B. 3
in.
C. 4
in.
D. 5 in. correct answers A.
2 in
Some residential application require more then 2 in. of lift. ALWAYS
consult the guide when choosing or
installation
fabrication a trap
What is the minimum lift required in a commercial
applications?
A. 2
in.
B. 5
in.
C. 2x the static capability of the
blower.
D. 5x the static capability of the blower. correct answers C. 2x the static
capability of
the
blower.
this is to ensure adequate trapping of the
condensate water.
Diameter used for condensate drain in residential applications must not be
smaller
in. than
Diameter
A.
1
B.
1/2
C.
1/4
D. 3/4 correct answers D. 3/4 in.
Diameter
In no case smaller than the fitting size used on the evaporator coil
condensate
Using drain.
smaller-diameter pipe increases the probability that improper
drainage will occur.
To ensure proper drainage, the pipe should be sloped at the
rate of?
A. 3 in. per 10 ft of
B. 5 in. per 10 ft of
pipe
pipe
C. 1 in. per 10 ft of
pipe
D. 2 in. per 10 ft of pipe correct answers C. 1 in. per 10
ft of pipe
registers accomplishes the mixing of the air, the grille does
not.
A. Supply,
Return
B. Return,
Supply
C. Dampers,
Supply
D. Dampers, Return correct answers A. Supply,
Return
On New construction projects, the indoor section should be in the
mode
the during phases of
finishing
construction.
A. In
Cooling
B. In
Heating
C. Fan
Only
D. Off correct answers D.
Off
The low return air temperatures can lead to the formation of condensate.
Condensate
the presenceinof chlorides and fluorides form paint, varnish, stains,
adhesives, cleaning
compounds, and cements creates a corrosive
condition.
To reduce the sound transmission of the indoor unit in a closet, alcove or
utility
you room
should
A. Insulate the
return
B. raise the blower
speed.
C. Use
D. Lower the blower speed. correct answers C. Use
isolators.
isolators.
Isolation pads absorb the vibrations caused by the blower motor or by
refrigerant
pumped being the connection
through
tubing
A package unit installed at ground level must be installed on a slab that has
a surface
least 3 1/2atin. above ground level to minimize noise
transmission.
A.
True
B. False correct answers A.
True
the slab should not be in contact with the structure to minimize noise
transmission
are used for packaged unit installed on a roof to reduce sounds
transmission
prevents water and
leaks.
, A.
Silicone
B. Curb
gaskets
C.
D. Roof Tar correct answers B. Curb
Flashing
gaskets
Flexible ductwork connectors also my be needed to isolate noises
generatedrooftop
operation by an
unit.
What is the minimum lift required in a residential
application?
A. 2
in.
B. 3
in.
C. 4
in.
D. 5 in. correct answers A.
2 in
Some residential application require more then 2 in. of lift. ALWAYS
consult the guide when choosing or
installation
fabrication a trap
What is the minimum lift required in a commercial
applications?
A. 2
in.
B. 5
in.
C. 2x the static capability of the
blower.
D. 5x the static capability of the blower. correct answers C. 2x the static
capability of
the
blower.
this is to ensure adequate trapping of the
condensate water.
Diameter used for condensate drain in residential applications must not be
smaller
in. than
Diameter
A.
1
B.
1/2
C.
1/4
D. 3/4 correct answers D. 3/4 in.
Diameter
In no case smaller than the fitting size used on the evaporator coil
condensate
Using drain.
smaller-diameter pipe increases the probability that improper
drainage will occur.
To ensure proper drainage, the pipe should be sloped at the
rate of?
A. 3 in. per 10 ft of
B. 5 in. per 10 ft of
pipe
pipe
C. 1 in. per 10 ft of
pipe
D. 2 in. per 10 ft of pipe correct answers C. 1 in. per 10
ft of pipe
