C
HVAC NATE HEAT PUMP verified A+ questions and
answers.
Terms in this set (131)
R-22 vapor line diameters and 6-7 psi or 6°F
lengths are typically specified
for a vapor pressure
drop that does not exceed...
The primary purpose of Prevent oxidation
using flux when soldering
copper or brass parts is to...
The water that results from a Prevent excessive ice can build up on the bottom of the coil and reduce
defrost cycle of an air to air capacity
heat pump (runoff) must
drain off and away from the
outdoor coil to...
The component used to reduce The curb gasket
sound
transmission and regent water
leaks of a packaged heat pump
installed on a roof is...
On some installations, a heat Add a control so that the furnace and heat pump do not operate at
pump indoor coil can be the same time in normal heating.
installed on an existing,
operable, fossil fuel furnace.
When this type of installation
is done you need to...
When under a deep vacuum, a Be damaged if energized
hermetic refrigeration
compressor's motor windings
could...
In order for evacuation to be 500 microns or below
considered complete, a heat pump
refrigerant circuit
should be evacuated to a vacuum
,pressure of...
, A system is supplied from the each added foot of refrigerant line length so the total
factory with charge for a 15 foot regrigerrant charge for the system would be 6 pounds
line set. The data plate shows the
required system charge o be 5
pounds 10oz. The line set uses a
3/8 inch
liquid line and is 25 feet long. The
manufacturer's instruction she
specifies 0.6 oz of refrigerant
to be added for...
Drive slips are typically installed the shorter sides of rectangular duct
on...
To properly set a heat the heating control circuit amperage draw
anticipator it is necessary
to check...
A heat pump operating in coil TD
normal ice free conditions
maintains a certain temperature
difference between the
outdoor coil
temperature and the surrounding
outdoor ambient. This
temperature difference is
referred to as...
The smallest refrigerant leak that 0.05 oz. per year
an
electronic leak detector should be
capable of sensing is...
When checking the pressure in an refrigerant oil in a hose will have no effect on the gauge reading
operating system with a
manifold gauge set...
At sea level a gauge pressure of an absolute pressure of 49.7 psia
35 psig is equal to ...
A technician measures the 1323
return air temperature of a
100,000 BTU output
furnace to be 65(F) and the
supply side air temperature is
135(F). The CFM would be...
HVAC NATE HEAT PUMP verified A+ questions and
answers.
Terms in this set (131)
R-22 vapor line diameters and 6-7 psi or 6°F
lengths are typically specified
for a vapor pressure
drop that does not exceed...
The primary purpose of Prevent oxidation
using flux when soldering
copper or brass parts is to...
The water that results from a Prevent excessive ice can build up on the bottom of the coil and reduce
defrost cycle of an air to air capacity
heat pump (runoff) must
drain off and away from the
outdoor coil to...
The component used to reduce The curb gasket
sound
transmission and regent water
leaks of a packaged heat pump
installed on a roof is...
On some installations, a heat Add a control so that the furnace and heat pump do not operate at
pump indoor coil can be the same time in normal heating.
installed on an existing,
operable, fossil fuel furnace.
When this type of installation
is done you need to...
When under a deep vacuum, a Be damaged if energized
hermetic refrigeration
compressor's motor windings
could...
In order for evacuation to be 500 microns or below
considered complete, a heat pump
refrigerant circuit
should be evacuated to a vacuum
,pressure of...
, A system is supplied from the each added foot of refrigerant line length so the total
factory with charge for a 15 foot regrigerrant charge for the system would be 6 pounds
line set. The data plate shows the
required system charge o be 5
pounds 10oz. The line set uses a
3/8 inch
liquid line and is 25 feet long. The
manufacturer's instruction she
specifies 0.6 oz of refrigerant
to be added for...
Drive slips are typically installed the shorter sides of rectangular duct
on...
To properly set a heat the heating control circuit amperage draw
anticipator it is necessary
to check...
A heat pump operating in coil TD
normal ice free conditions
maintains a certain temperature
difference between the
outdoor coil
temperature and the surrounding
outdoor ambient. This
temperature difference is
referred to as...
The smallest refrigerant leak that 0.05 oz. per year
an
electronic leak detector should be
capable of sensing is...
When checking the pressure in an refrigerant oil in a hose will have no effect on the gauge reading
operating system with a
manifold gauge set...
At sea level a gauge pressure of an absolute pressure of 49.7 psia
35 psig is equal to ...
A technician measures the 1323
return air temperature of a
100,000 BTU output
furnace to be 65(F) and the
supply side air temperature is
135(F). The CFM would be...
