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UNIT 47 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
47-1) Why it is important to properly plan the installation of a residential split
system air conditioner?
47-2) What should a technician reference before installing a system?
457-3) What is the industry standard for determining the heat gain of a
residential structure?
47-4) What happens if a system is oversized for its application?
47-5) What is the minimum SEER rating for new systems?
47-6) What is the name of the outdoor rated, water tight, flexible electrical
cable connecting the system's disconnect to the condensing unit?
47-7) What gauge thermostat wire is typically used on residential systems?
47-8) Where should an outdoor condensing unit not be located?
47-9) Normally what is the maximum length a line set can be run on many
residential spilt system air conditioners?
47-10) How should a technician determine the diameter of the line set to use?
47-11) Why are sections of tubing that are to be fitted together sometimes
swaged?
47-12) What micron level should be achieved when evacuating a system?
47-13) What are the three main types of over current protection devices that
can be used on a condensing unit?
47-14) At what height should a thermostat be mounted above the floor?
47-15) What diameter condensate line is typically run from the drain pan of the
evaporator?
47-16) What is the purpose of the secondary drain line?
47-17) What is the required airflow across the evaporator of a residential split
system air conditioner?
47-18) What two methods can be used to measure the airflow across an
evaporator?
47-19) For a system using a non-TEV metering device such as a fixed orifice,
what method can be used to determine if the refrigerant charge is
adequate?
47-20) When the installation is complete what should a technician do before leaving
the job?
