DISCLAIMER: This syllabus represents the college and state-approved curriculum for this course. For each individual course section, a faculty member may provide a syllabus that contains additional information and any approved exceptions to the information provided below.
This course provides advanced electrical instruction and skill building in installation and servicing of air conditioning and refrigeration equipment, including detailed instruction in motors and power distribution motors, motor controls, and applications of solid state devices. Prerequisite: HART 1441, HART 1445 or department chair approval (4:3-3)
80 - 89 B
70 - 79 C
60 - 69 D
Below 60 F
A. Be able to recognize more advanced series/parallel circuits.
B. Be able to perform troubleshooting on basic electrical circuits with little instruction.
C. Identify and explain the main parts of three-phase motors and compressors, winding configurations (delta and wye), how to change motor rotation and writing for high or low voltage.
D. Identify and explain how motor starters operate and how overloads function in a starter.
E. Identify and explain heating and cooling thermostats, gas valves, oil burner controls and fan/limit switches.
F. Explain the operation and function of high-pressure, low-pressure and oil failure switches.
G. Explain the operation of a defrost timer and the proper defrost conditions.
H. Be able to identify and discuss electronic devices used in HVAC controls, control boards and printed circuit boards.
I. Identify the major parts associated with an electrical furnace, gas heating system, oil heating system and be able to demonstrate the functions of these systems and how to troubleshoot problems associated with these systems.
J. Be able to adapt simple air conditioning concepts to more advanced air conditioning designs. (I.E., window units compared to package units).
K. Be able to identify and explain the different components associated with a heat pump and show their function and how to troubleshoot this type of air conditioner
L. Identify the main components of reach-in freezers, reach-in coolers, icemakers and how to perform troubleshooting on these refrigeration systems.
M. Be able to discuss Direct Digital Controls (DDC) Systems.
N. Discuss in general the basic function of pneumatic controls and chill water systems (reverse and direct acting).
O. Be able to briefly discuss flotronics and centrifugal chillers
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South Campus - 281-922-3444