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NATE ICE Heat Pump Questions & Answers. Graded A+
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NATE ICE Heat Pump Questions & Answers. Graded A+ A correct statement regarding the outdoor coil of a heat pump is that damage may result if the: - -defrost water does not drain from the coil. A dirty air filter in a heat pump operating in the heating mode could result in: - -excessive head...

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  • August 10, 2023
  • 3
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • nate ice heat pump questions amp answers graded a

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NATE ICE Heat Pump Questions &
Answers. Graded A+

A correct statement regarding the outdoor coil of a heat pump is that damage may result if the: - ✔✔-
defrost water does not drain from the coil.



A dirty air filter in a heat pump operating in the heating mode could result in: - ✔✔-excessive head
pressure.



A dirty air filter on a heat pump system will result in: - ✔✔-high head pressure in the heat mode and low
suction pressure in the cool mode.



A fan delay can add cooling efficiency by: - ✔✔-operating the indoor blower after compressor shut-
down



A heat pump that uses a piston-type metering device on the indoor coil has a piston with a larger-than-
recommended orifice. This will result in: - ✔✔-low head pressure and high suction pressure in the
cooling cycle.



A new 3-ton heat pump installation has an undersized return air duct. In the heating mode, the unit will
most likely: - ✔✔-go off on high pressure safety.



A technician has just installed a heat pump. It heats satisfactorily, but will not cool. A possible cause of
this problem is the: - ✔✔-indoor check valve is stuck open



An electric furnace has four 5-kW elements that are rated at 240V. The available voltage to operate the
furnace is 208V. Which of the following indicates the effect that this will have on the BTUH output of the
furnace? - ✔✔-it will reduce the BTUH output of the furnace.



An electric furnace is controlled by a single-stage thermostat. On a call for heat, all connected circuits
function properly; however, the heat rise across the furnace is much lower than design requirement.

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