A central station air-handling unit:
A) Combines the functions of the evaporator blower and the condenser blower.
B) Consists of a fan and coil and usually handles a single room or zone.
C) Is used instead of a fan and fan motor.
D) Is used for large systems and is assembled on site using separate components.
Question 2
Once a technician works on a system, what else should he or she do?
A) Check for gas leaks. B) Increase household ventilation.
C) Do nothing else. D) Open the gas flow valve.