ESCO HEAT PUMP ACTUAL SCRIPT 2026
COMPLETE QUESTIONS AND ANSWERS
GRADED A+
◉ 2. What is the difference between "demand defrost" and "timed
defrost?"
Answer: D: demand defrost only happens when needed, and time
defrost is on timed temperature
◉ 3. The thermostat that controls the auxiliary electric heat
according to the outdoor temperature is called the;
Answer: C: outdoor ambient thermostat.
◉ 4. The outdoor temperature 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;
Answer: A: initial balance point.
◉ 5. At what temperature is an outdoor ambient thermostat
normally set?
Answer: B: At or slightly above the initial balance point.
,◉ 6. The outdoor coil is frozen solid on a "no heat" service call. The
most likely reason is:
Answer: D: outdoor fan is inoperative
◉ 7. In order to determine a heat pumps' balance point, you must
first calculate;
Answer: A: the building's heat load.
◉ 8. Heat pumps are sized to handle the;
Answer: A: cooling load.
◉ 9. a high efficiency heat pump system designed to function from
high or low ambient conditions below 10F may have;
Answer: C: auxiliary heat exchanger injected with a ethylene glycol
solution.
◉ 10. Room thermostats for heat pumps should be installed;
Answer: B: as near to the main return air grill as possible.
◉ 11. When the heat pump compressor has malfunetioned, the cus
tomer has the option to switch the system into;
Answer: B: emergency heat mode.
, ◉ 12. Start-up with a night set back digital thermostat requires the
technician to always;
Answer: D: teach the customer to program the thermostat.
◉ 13. The heat pump defrost board can be manipulated by the
technician to;
Answer: C: simulate the defrost cycle.
◉ 14. The air-to-air heat pump outdoor unit is most efficient if
located;
Answer: C: in a moderate climate zone.
◉ 15. Which of the following are innovations that may be found on
new high efficiency units?
Answer: D. ECM motors
◉ 16. How may a lockout (impedance) relay be reset?
Answer: C: Simply disconnect power to the unit momentarily.
◉ 17. The temperature difference between the 1t and 2od bulbs for
heating on a heat pump thermostat is;
Answer: C: approximately 2°F
COMPLETE QUESTIONS AND ANSWERS
GRADED A+
◉ 2. What is the difference between "demand defrost" and "timed
defrost?"
Answer: D: demand defrost only happens when needed, and time
defrost is on timed temperature
◉ 3. The thermostat that controls the auxiliary electric heat
according to the outdoor temperature is called the;
Answer: C: outdoor ambient thermostat.
◉ 4. The outdoor temperature 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;
Answer: A: initial balance point.
◉ 5. At what temperature is an outdoor ambient thermostat
normally set?
Answer: B: At or slightly above the initial balance point.
,◉ 6. The outdoor coil is frozen solid on a "no heat" service call. The
most likely reason is:
Answer: D: outdoor fan is inoperative
◉ 7. In order to determine a heat pumps' balance point, you must
first calculate;
Answer: A: the building's heat load.
◉ 8. Heat pumps are sized to handle the;
Answer: A: cooling load.
◉ 9. a high efficiency heat pump system designed to function from
high or low ambient conditions below 10F may have;
Answer: C: auxiliary heat exchanger injected with a ethylene glycol
solution.
◉ 10. Room thermostats for heat pumps should be installed;
Answer: B: as near to the main return air grill as possible.
◉ 11. When the heat pump compressor has malfunetioned, the cus
tomer has the option to switch the system into;
Answer: B: emergency heat mode.
, ◉ 12. Start-up with a night set back digital thermostat requires the
technician to always;
Answer: D: teach the customer to program the thermostat.
◉ 13. The heat pump defrost board can be manipulated by the
technician to;
Answer: C: simulate the defrost cycle.
◉ 14. The air-to-air heat pump outdoor unit is most efficient if
located;
Answer: C: in a moderate climate zone.
◉ 15. Which of the following are innovations that may be found on
new high efficiency units?
Answer: D. ECM motors
◉ 16. How may a lockout (impedance) relay be reset?
Answer: C: Simply disconnect power to the unit momentarily.
◉ 17. The temperature difference between the 1t and 2od bulbs for
heating on a heat pump thermostat is;
Answer: C: approximately 2°F
