| Standard |
Rev. 05/18/04
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.
|
Competency Areas |
Hours
|
|
|
Installation
Procedures |
Class |
3 |
|
Servicing
Procedures |
D. Lab |
4 |
|
Electrical
Components |
P. Lab/O.B.I. |
3 |
|
Geothermal
Ground Source Energy Supplies |
Credit |
6 |
|
Dual Fuel |
|
|
|
Troubleshooting |
|
|
|
Valves |
|
|
|
Safety |
|
|
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Prerequisite/Corequisite: |
|
Course Guide |
|
Competency |
After completing this
section, the student will: |
Hours |
||
|
Class |
D.Lab |
P.Lab/
O.B.I. |
||
INSTALLATION PROCEDURES
|
6 |
7 |
7 |
|
|
Theory of operation |
Discuss heat pump theory. |
|
|
|
|
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. |
|
|
|
|
Charging and evacuation |
Properly evacuate and charge system with correct
amount of refrigerant. |
|
|
|
|
Heat pump cycle components |
Identify and explain components found in heat pumps. |
|
|
|
|
Heat pump supplementary controls |
Discuss heat pump thermostats and how they differ from
conventional thermostats. |
|
|
|
SERVICING PROCEDURES
|
4 |
7 |
4 |
|
|
Heating theory and installation practice for electric
heating system |
Install furnace (electric, 150,000 BTU or less). |
|
|
|
|
|
Remove or replace furnace (electric, 150,000 BTU or less). |
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|
|
|
Install heating blowers. |
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|
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Install insulating materials on ducts. |
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|
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|
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Connect heating outlets to ducts. |
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|
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|
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Lubricate heating blowers. |
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|
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|
ELECTRICAL COMPONENTS |
6 |
7 |
6 |
|
|
Identification |
Identify and explain the various electrical components
in the heat pump cycle. |
|
|
|
|
Installation |
Install humidistats. |
|
|
|
|
|
Install relays. |
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|
|
|
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Install safety controls. |
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|
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|
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Install starting or running capacitors. |
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|
|
|
GEOTHERMAL GROUND SOURCE ENERGY SUPPLIES |
1 |
5 |
4 |
|
|
Identification |
Identify and explain various components and theory of geothermal
ground source energy supplies. |
|
|
|
|
DUAL FUEL |
1 |
5 |
4 |
|
|
Identification |
Identify and explain various components and theory of
dual fuel energy. |
|
|
|
|
TROUBLESHOOTING |
9 |
7 |
5 |
|
|
Test instruments |
Measure airflow or pressure with manometers. |
|
|
|
|
|
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. |
|
|
|
|
|
Discuss the inspection and cleaning of ducts. |
|
|
|
|
Troubleshooting heat pump components |
Discuss problems related to condenser malfunctions. |
|
|
|
|
|
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. |
|
|
|
|
|
Discuss removal or installation of pumps. |
|
|
|
|
|
Discuss cleaning of water-cooled condensers. |
|
|
|
|
VALVES |
1 |
2 |
0 |
|
|
Types |
Identify and explain the purpose of a TX, reversing, and check valves
in the heat pump cycle. |
|
|
|
|
SAFETY |
2 |
0 |
0 |
|
|
Electric heating systems
|
Discuss the safety concerns that the technician will
adhere to while working on electric heating systems. |
|
|
|
|
Heat pump safety |
Discuss the safety concerns of the heat pump
technician. |
|
|
|
| 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.
Miller, R. (1988). Electricity for heating, air
conditioning & refrigeration. San Diego, CA: Harcourt Brace
Jovanovich. http://www.harcourt.com/.
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/.