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Heating, Ventilation and Air Conditioning
| NOTE: |
Academic Credits - The number of academic credits for each course
is the number of credits earned in one semester with successful completion
of that course.
Prerequisite and Corequisite - “Prerequisite” means that
the listed course[s] must be successfully completed with the indicated grade.
A “corequisite” may be taken in the same semester. |
| Course
# |
Course
Description |
Credits |
| HEA 101 |
Heating
Fundamentals -- Prerequisites: None. Introduces
fundamentals applicable to the heating phase of air conditioning.
Includes types of units, parts, basic controls, functions and
applications. Emphasizes practices, tool and meter use, temperature
measurement, heat flow, the combustion process and piping
installation practices. Covers the basic sequence of operation for
gas, oil and electric furnaces. 2 lecture hours; 2 lab hours. |
3
|
| |
|
| HEA 103 |
Refrigeration
I -- Prerequisites: None. Introduction to
compression systems used in mechanical refrigeration including the
refrigeration cycle and system components. Introduces safety
procedures, proper use of tools used to install and service
refrigeration equipment, refrigerant charging and recovery, system
evacuation, calculating superheat and subcooling and using a
refrigerant temperature/pressure chart. 2 lecture hours; 2 lab
hours.
|
3
|
| |
|
| HEA 104 |
Heating
Service -- Prerequisites: HEA 101, MIT 113. Covers
procedures used to analyze mechanical and electrical problems
encountered when servicing heating systems. Covers electrical
schematics and connection diagrams, combustion testing, venting and
combustion air requirements, sequence of operation, heating
controls, troubleshooting techniques, installation practices, basic
codes applying to furnace codes, and service procedures. 2 lecture
hours; 2 lab hours.
|
3
|
| |
|
| HEA 106 |
Refrigeration
II -- Prerequisites: HEA 103, MIT 113. Continues
the study of air conditioning and refrigeration with further study
of compressors, metering devices, system charging, refrigerant
recovery, equipment installation and an introduction to
troubleshooting procedures [electrical, mechanical, and
refrigeration]. Includes clean-up procedures following compressor
burnout and analysis of how a single problem affects the rest of
the system. Introduces electrical control systems and electrical
motor basics as they apply to air conditioning and refrigeration,
including motor types, starting components, and motor
troubleshooting basics. 2 lecture hours; 2 lab hours.
|
3
|
| |
|
| HEA 107 |
Duct Fabrication
and Installation -- Prerequisites: None. Emphasizes
reading blueprints common to the sheet metal trade, floor plans,
elevations, section, detail and mechanical plans. Requires students
to develop a layout of an air conditioning duct system and
fittings. Fabrication of these parts, including proper use of
hand-tools, and shop equipment used to fabricate duct systems and
fittings. 2 lecture hours; 2 lab hours.
|
3
|
| |
|
| HEA 201 |
Cooling
Service -- Prerequisite: HEA 106. Covers procedures
used to diagnose electrical, control, mechanical and refrigeration
problems common to cooling systems. Familiarizes students with
using the refrigeration cycle and temperature/pressure charts as
diagnostic tools in troubleshooting refrigeration system problems.
Includes various methods of checking refrigerant charges, methods
for charging air conditioning and refrigeration systems, electrical
and refrigeration system components, and schematic and pictorial
diagrams. 2 lecture hours; 2 lab hours. |
3
|
| |
|
| HEA 202 |
Electrical
Circuits and Controls -- Prerequisites: HEA 101, HEA
103, MIT 113 or HEA program chair approval. Studies heating,
air conditioning and refrigeration controls typically found on
residential and light commercial heating and air conditioning
equipment. Includes gas, oil and electric heating controls, cooling
controls, thermostats, humidistats, aquastats, and electronic
controls. Covers operation of controls, integration of controls
into controls systems, reading schematic and pictorial diagrams,
and component troubleshooting and testing. 2 lecture hours; 2 lab
hours.
|
3
|
| |
|
| HEA 203 |
Heat Loss and Gain
Calculation -- Prerequisites:“C” or better
in MAT 050 or assessment/waiver. Introduces the student to
calculating structural and other heat losses for winter heating,
and structural and other heat gains for summer air conditioning
using an industry standard method of heat loss and heat gain
calculation. Discusses building construction techniques, energy
consumption reduction methods and equipment selection. 3 lecture
hours.
|
3
|
| HEA 204 |
Commercial
Refrigeration -- Prerequisite: HEA 106. Examines
air conditioning and refrigeration systems for commercial use,
including medium and low temperature applications. Includes
specialized commercial refrigeration and A/C accessories, metering
devices, setting pressure controls for direct temperature control,
fan cycling and pump down, commercial ice production, methods of
lowambient control, and advanced control arrangements. 2 lecture
hours; 2 lab hours.
|
3
|
| |
|
| HEA 205 |
Heat Pump
Systems -- Prerequisites: HEA 101, HEA 106.
Familiarizes students with the refrigeration cycle as it applies to
the heat pump system and the different types of heat pump systems.
Covers procedures used to diagnose electrical, control, mechanical
and refrigeration components and electrical controls, the
air-to-air heat pump defrost cycle, and schematic and pictorial
diagrams. 2 lecture hours; 2 lab hours.
|
3
|
| |
|
| HEA 206 |
Advanced Cooling
Service -- Prerequisite: HEA 106. Studies methods
of troubleshooting electrical and mechanical components of air
conditioning and refrigeration systems. 2 lecture hours; 2 lab
hours.
|
3
|
| HEA 207 |
HVAC
Codes --Prerequisites: HEA 104, HEA 106, HEA program
chair approval. Study of state and local codes covering
installation, repair, alteration, relocation, replacement and
erection of heating, ventilation, cooling and refrigeration
systems. Includes job-related costs of material and equipment,
labor, warranty, taxes, permits and subcontracts. Students will
estimate service and maintenance contracts. 3 lecture hours. |
3
|
| |
|
| HEA 212 |
Advanced HVAC
Controls -- Prerequisite: HEA 202. Covers control
systems beyond ordinary residential and single zone commercial
applications. Includes solid state controls, 0-10 volt DC and 4-20
milliamp control signals, zoning controls, modulating controls,
3-phase motor protection modules, variable frequency drives [VFDs],
remote sensing electronic thermostats, electronically commutated DC
motor control, direct digital control [DDC] systems, multiple-stage
heating/cooling controls, PLC control of HVAC/R equipment and
pneumatic controls. 2 lecture hours; 2 lab hours. |
3
|
| |
|
| HEA 213 |
Sales and Service
Management -- Prerequisites: None. Encompasses the
use of blueprints, specifications, application data sheets, bid
forms and contracts in estimating materials and labor in the HVAC
business. Includes advertising, direct labor, indirect labor,
overhead, warranty costs, taxes, permits, subcontracts, margins,
mark-ups and profit. Provides students with the opportunity to
estimate service contracts and study service organization, service
procedures, record keeping, parts inventory control, and liability
insurance. 3 lecture hours. |
3
|
| |
|
| HEA 220 |
Distribution
Systems -- Prerequisites: “C” or better in
MAT 050 or assessment/waiver. Covers methods used in
calculating building heat loss and gain plus how to use this data
in sizing equipment and duct systems for residential and light
commercial applications. Includes discussion of methods to reduce
building heating/cooling loads, air flow principles, air delivery
system design methods, and introduces using a psychrometric chart
to solve air mixture problems. 2 lecture hours; 2 lab hours. |
3
|
| |
|
| HEA 221 |
Heat Pumps and Cooling
Service -- Prerequisites: HEA 101, HEA 106, HEA program
chair approval. Covers procedures used to diagnose electrical,
control, mechanical and refrigeration problems common to heat pump
and cooling systems. Familiarizes students with the refrigeration
cycle as it applies to the heat pump and the various methods of
charging heat pumps and air conditioning systems. Includes sizing
of heat pumps, the different types of heat pumps, and specialized
heat pump components. 2 lecture hours; 2 lab hours.
|
3
|
| |
|
| HEA 280 |
Co-op/Internship --
Prerequisite: HEA program chair approval. Provides students
with the opportunity to work at a job site that is specifically
related to their career objectives. Provides on-the-job experience
while earning credit toward an associate degree. Contact hours
vary.
|
3
|
| |
|
| HEA
284 |
Special Topics in
Heating, Ventilation and Air Conditioning --
Prerequisite: HEA program chair approval. Provides students
with the opportunity to experience seminars, workshops, and other
instructional activities on topics of interest that reinforce the
concepts presented in their program area. Contact HEA program chair
for more information. Contact hours vary.
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