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ESCO Heat Pump (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score
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ESCO Heat Pump (2024 / 2025) Questions with Verified Answers, 100% Guarantee Pass Score
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Heat Pump ESCO.pdf file:///C:/Users/HP/Desktop/New%20fl/Heat%20Pump%20ESCOESCO Heat Pump
1. An air-to-air heat pump has many of the same components as an air condi- tioning
system.The major difference is that a heat pump also has an
Answer Reversingvalve
2. What is the difference between "demand defrost" and "timed defrost"?
Answer De-mand defrost happens only when needed and timed defrost is based on time/tem-
perature.
3. The thermostat that controls the auxiliary electric heat according to the outdoor
temperature is called the
Answer Outdoor ambient thermostat
4. The outdoor temperature at which the heat pump provides the same amountof heat as
the heat loss of the conditioned space without an auxiliary heat isknown as the
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Answer Initial balance point
5. At what temperature is an outdoor ambient thermostat normally set?
Answer Slight-ly above the initial balance point.
6. The outdoor coil is frozen solid on a "no heat" service call.The most likelyreason is
Answer The outdoor fan is inoperative.
7. In order to determine a heat pumps' balance point, you must first calculate
Answer The building's heat load.
8. When a heat pump is used for heating and cooling, the system is sized bythe
Answer Cooling load.
9. A high efficiency heat pump system designed to function from high to lowambient
conditions below 10*F, may have?
Answer Two outdoor coils with each one incorporating a dual stage compressor.
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10. Room thermostats for heat pumps should be installed
Answer As near to the mainreturn air grill as possible.
11. When the heat pump compressor has malfunctioned, the customer has theoption to
switch the system into
Answer Emergency heat mode.
12. Start up with a night set back digital thermostat requires the technician toalways
Answer Teach the customer how to program the thermostat.
13. The heat pump defrost board can be manipulated by the technician to
Answer -
Simulate the defrost cycle.
14. The air-to-air heat pump outdoor unit is most efficient if located
Answer In amoderate climate zone.
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