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ESCO Heat Pump Exam (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score
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ESCO Heat Pump Exam (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score
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Esco Heat pump exam.pdf file:///C:/Users/HP/Desktop/New%20fl/Esco%20Heat%20pump%20eEsco Heat Pump Exam Questions &
Verified Answers
1. 1. An air-to-air heat pump has many of the same components as an air
conditioning system. The major difference is that a heat pump also has a (an)
Answer C: reversing valve.
2. 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 tempera-
ture
3. 3. The thermostat that controls the auxiliary electric heat according to the outdoor
temperature is called the
Answer C: outdoor ambient thermostat.
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4. 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. 5. At what temperature is an outdoor ambient thermostat normally set
Answer B: At or slightly above the initial balance point.
6. 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. 7. In order to determine a heat pumps' balance point, you must first calcu- late
Answer A: the building's heat load.
8. 8. Heat pumps are sized to handle the
Answer A: cooling load.
9. 9. a high efficiency heat pump system designed to function from high or low ambient
conditions below 10F may have
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Answer C: auxiliary heat exchanger injected with a ethylene glycol solution.
10. 10. Room thermostats for heat pumps should be installed
Answer B: as near to the main return air grill as possible.
11. 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. 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. 13. The heat pump defrost board can be manipulated by the technician to
Answer C: simulate the defrost cycle.
14. 14. The air-to-air heat pump outdoor unit is most efficient if located
Answer C: in a moderate climate zone.
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