COMPLETE QUESTIONS AND ANSWERS
ALREADY PASSED
◉ What is the purpose of using an outdoor ambient thermostat on a
heat pump installation?
Answer: To prevent the auxiliary heat from operating above the
system balance point
◉ Types of closed water loops include
Answer: Horizontal loops, vertical loops, and slinky loops
◉ What type of heat pumps are commonly installed above the drop
ceiling in each zone in a commercial building?
Answer: Horizontal water source heat pumps
◉ After installing the lines and coil on a split system, heat pump,
what step must be taken before opening the units installation valves
Answer: Perform a leak test on the lines and coil and evacuate them
◉ What does the O-terminal energize on most heat pump
thermostats?
, Answer: Reversing valve
◉ What type of antifreeze solution may be used in ground loops?
Answer: Low toxicity
◉ During the install startup of a geothermal water source heat
pump, when should the water flow be checked and adjusted?
Answer: First, before operating the system
◉ A heat pump outdoor unit is installed:
Answer: On a raised platform above the snow line.
◉ How does heat capacity correlate with outdoor temperature on a
balance point graph?
Answer: As outdoor temperature increases, heat pump capacity
increases.
◉ How can you dispose of water on top of the ground if it cannot
enter the ground water
Answer: By redirecting the water to a holding pond
◉ After leaving the unit, condensate drain lines should be run:
Answer: With a minimum fall of at least 1/8 inch per foot.