Heat Pumps Exam Questions and
Answers 100% Pass
reversing valve - ANSWER-an air to air pump has many of the same components
as an air conditioning system. the major difference is that a heat pump has a
Question: demand defrost happens only when when needed and timed defrost is
based on timed /temp - ANSWER-what is the difference btw demand defrost and
timed defrost
Question: Outdoor ambient tstat - ANSWER-The tstat controls the auxiliary
electric heat according to the outdoor temp
Question: Initial balance point - ANSWER-The outdoor temp at which the heat
pump provides the same amount of heat as the heat loss of the conditioned space
without auxiliary heat is known as the
Question: Slightly above the initial balance point - ANSWER-At what temp is an
outdoor ambient tstat normally set
Question: The outdoor fan is inoperative - ANSWER-The outdoor coil is frozen
solid on a no heat service call....most likely reason is
,Question: The buildings heating load - ANSWER-In order to determine a heat
pump balance point,you must first calculate
Question: Cooling load - ANSWER-Heat pump are sized to handle the
Question: Depends on the mode of operation - ANSWER-On a heat pump,which
coil is considered the evaporator
Question: As near to the main return air grill as possible - ANSWER-Room tstats
for heat pumps should be i stalled
Question: Emergency heat mode - ANSWER-When the heat pump compressor
has malfunctioned,the customer has the option to switch the system into
Question: Teach customer to program the tstat - ANSWER-Start up with a night
setback digital tstat require tech to always
Question: Simulate defrost cycle - ANSWER-The heat pump defrost board can be
manipulated by the tech to
Question: In a cold climate - ANSWER-The air to air heat pump outdoor unit is
most efficient if located
, Question: ECM fan motor - ANSWER-of the following are innovations that may
be found on new high efficiency units
Question: Simply disconnect power to the unit momentarily - ANSWER-How may
a lockout(impedance)relay be reset
Question: Approximately 2°F - ANSWER-The TD btw 1st and 2nd bulbs for
heating on a heat pump tstat is
Question: Dividing the btus removed by watts consumed during cooling season -
ANSWER-SEER is calculated by
Question: The system will not properly remove humidity from the conditioned
space - ANSWER-If the indoor fan is operating at excessive speed in cooling
mode
Question: Maintain 500 microns for 15 minutes - ANSWER-What is the industry
standard for a deep vacuum
Question: By weight - ANSWER-Most prefered method of charging any system in
the field is
Answers 100% Pass
reversing valve - ANSWER-an air to air pump has many of the same components
as an air conditioning system. the major difference is that a heat pump has a
Question: demand defrost happens only when when needed and timed defrost is
based on timed /temp - ANSWER-what is the difference btw demand defrost and
timed defrost
Question: Outdoor ambient tstat - ANSWER-The tstat controls the auxiliary
electric heat according to the outdoor temp
Question: Initial balance point - ANSWER-The outdoor temp at which the heat
pump provides the same amount of heat as the heat loss of the conditioned space
without auxiliary heat is known as the
Question: Slightly above the initial balance point - ANSWER-At what temp is an
outdoor ambient tstat normally set
Question: The outdoor fan is inoperative - ANSWER-The outdoor coil is frozen
solid on a no heat service call....most likely reason is
,Question: The buildings heating load - ANSWER-In order to determine a heat
pump balance point,you must first calculate
Question: Cooling load - ANSWER-Heat pump are sized to handle the
Question: Depends on the mode of operation - ANSWER-On a heat pump,which
coil is considered the evaporator
Question: As near to the main return air grill as possible - ANSWER-Room tstats
for heat pumps should be i stalled
Question: Emergency heat mode - ANSWER-When the heat pump compressor
has malfunctioned,the customer has the option to switch the system into
Question: Teach customer to program the tstat - ANSWER-Start up with a night
setback digital tstat require tech to always
Question: Simulate defrost cycle - ANSWER-The heat pump defrost board can be
manipulated by the tech to
Question: In a cold climate - ANSWER-The air to air heat pump outdoor unit is
most efficient if located
, Question: ECM fan motor - ANSWER-of the following are innovations that may
be found on new high efficiency units
Question: Simply disconnect power to the unit momentarily - ANSWER-How may
a lockout(impedance)relay be reset
Question: Approximately 2°F - ANSWER-The TD btw 1st and 2nd bulbs for
heating on a heat pump tstat is
Question: Dividing the btus removed by watts consumed during cooling season -
ANSWER-SEER is calculated by
Question: The system will not properly remove humidity from the conditioned
space - ANSWER-If the indoor fan is operating at excessive speed in cooling
mode
Question: Maintain 500 microns for 15 minutes - ANSWER-What is the industry
standard for a deep vacuum
Question: By weight - ANSWER-Most prefered method of charging any system in
the field is
