Standard |
Provides instruction on the
principles, application, and operation of a residential heat pump system.
Topics include: installation procedures, servicing procedures, electrical
components, geothermal ground source energy supplies, dual fuel,
troubleshooting, valves, and safety.
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Competency Areas |
Hours
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Installation
Procedures |
Class |
4 |
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Servicing Procedures |
D. Lab |
6 |
|
Electrical
Components |
P. Lab/O.B.I. |
0 |
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Geothermal
Ground Source Energy Supplies |
Credit |
6 |
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Dual Fuel |
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Troubleshooting |
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Valves |
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Safety |
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Prerequisite/Corequisite: |
Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D.Lab |
P.Lab/ O.B.I. |
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INSTALLATION PROCEDURES
|
8 |
15 |
0 |
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Theory of operation |
Discuss heat pump theory. |
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Types of heat pumps |
Discuss types of heat pumps. |
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Defrosting methods and electrical considerations |
Identify reversing valve on heat pump and explain its
purpose. |
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Charging and evacuation |
Properly evacuate and charge system with correct
amount of refrigerant. |
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Heat pump cycle components |
Identify and explain components found in heat pumps. |
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Heat pump supplementary controls |
Discuss heat pump thermostats and how they differ from
conventional thermostats. |
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SERVICING PROCEDURES
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10 |
10 |
0 |
|
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Heating theory and installation practice for electric
heating system |
Install furnace (electric, 150,000 BTU or less). |
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Remove or replace furnace (electric, 150,000 BTU or less). |
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Install heating blowers. |
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Install insulating materials on ducts. |
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Connect heating outlets to ducts. |
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Lubricate heating blowers. |
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ELECTRICAL COMPONENTS |
7 |
15 |
0 |
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Identification |
Identify and explain the various electrical components
in the heat pump cycle. |
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Installation |
Install humidistats. |
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Install relays. |
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Install safety controls. |
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Install starting or running capacitors. |
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GEOTHERMAL GROUND SOURCE ENERGY SUPPLIES |
2 |
10 |
0 |
|
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Identification |
Identify and explain various components and theory of geothermal
ground source energy supplies. |
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|
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DUAL FUEL |
2 |
10 |
0 |
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Identification |
Identify and explain various components and theory of
dual fuel energy. |
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TROUBLESHOOTING |
11 |
15 |
0 |
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Test instruments |
Measure airflow or pressure with manometers. |
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Measure airflow with anemometers. |
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Measure airflow with velocimeters. |
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Duct service |
Discuss removal of asbestos insulation on ducts or
pipes. |
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Discuss the inspection and cleaning of ducts. |
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Troubleshooting heat pump components |
Discuss problems related to condenser malfunctions. |
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Discuss problems related to evaporator malfunctions. |
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Isolate heat pump malfunctions. |
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Remove or install crankcase oil heaters. |
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Remove or install heat pump components. |
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Remove or install heat pumps. |
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Discuss removal or installation of pumps. |
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Discuss cleaning of water-cooled condensers. |
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VALVES |
2 |
3 |
0 |
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Types |
Identify and explain the purpose of a TVX valve in the
heat pump cycle. |
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SAFETY |
2 |
0 |
0 |
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Electric heating systems |
Discuss the safety concerns that the technician will
adhere to while working on electric heating systems. |
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Heat pump safety |
Discuss the safety concerns of the heat pump
technician. |
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Suggested Resources |
Althouse, A. D., et
al. (1988). Modern refrigeration &
air conditioning. South Holland, IL: Goodheart-Willcox. http://www.goodheartwillcox.com.
Haines, R. (1987). Control systems for heating, ventilating,
& air conditioning (4th ed.). New York: Van Nos Reinhold.
Herman, S. L., &
Sparkman, B. L. (1986). Electricity &
controls for heating, ventilating, & air conditioning (4th ed.).
Albany, NY: Delmar. http://www.delmar.com/.
Langley, B. C.
(1985). Control systems for air
conditioning & refrigeration. Englewood Cliffs, NJ: Prentice Hall. http://www.cefga.org/.
Langley, B. C.
(1986). Cooling systems troubleshooting
handbook. Englewood Cliffs, NJ: Prentice Hall. http://www.cefga.org/.
Langley, B. C.
(1988). Electric controls for
refrigeration & air conditioning (2nd ed.). Englewood Cliffs, NJ:
Prentice Hall. http://www.cefga.org/.
Long, W. (1985). Refrigeration & air conditioning: Operation
& analysis servicing. New York: Macmillan. http://www.macmillan.com/.
Miles, L. (1987). Refrigeration & air conditioning
(2nd ed.). Englewood Cliffs, NJ: Prentice Hall. http://www.cefga.org/.
Miller, R. (1983). Refrigeration and air conditioning
technology. New York: Bennett Il.
Miller, R. (1988). Electricity for heating, air conditioning
& refrigeration. San Diego, CA: Harcourt Brace Jovanovich. http://www.harcourt.com/.
National Center for Construction Education and Research
(latest edition). NCCER: Core Curricula:
Basic Communication Skills. Englewood Cliffs, NJ: Prentice Hall. http://www.cefga.org/.
Prasad, M. (1983). Refrigeration & air conditioning.
New Delhi: Wiley Eastern, Ltd. http://www.wiley.com/.
Rudman, J. (1991). Air conditioning, heating & refrigeration
mechanic. Syosset, NY: National Learning.
Smith, R. E. (1987).
Electricity for refrigeration, heating
& air conditioning. Albany, NY: Delmar. http://www.delmar.com/.
Swenson, S. D.
(1990). Troubleshooting & servicing
air conditioning equipment. Troy, MI: Busn News.
Terminology of heating, ventilation, air
conditioning, & refrigeration.
(1986). Atlanta: American Heating, Refrigeration, & Air Engineering.
Whitman, W., &
Johnson, W. (1991). Refrigeration &
air conditioning technology (2nd ed.). Albany, NY: Delmar. http://www.delmar.com/.