Standard

Rev. 03/20/04

ACT 204 – Residential Systems Designs

Course Description

Presents advanced refrigeration and electrical skills and theories. Topics include: heat gain and heat loss, duct design, zone control, equipment selection, and safety.

 

Competency Areas

Hours

 

Heat Gain and Heat Loss

Class

4

Duct Design

D. Lab

6

Zone Control

P. Lab/O.B.I.

3

Equipment Selection

Credit

8

Safety

 

 

 

Prerequisites/Corequisites:

ACT 111

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

HEAT GAIN AND HEAT LOSS

15

15

0

Theory

Discuss the different types of heat loads for heating and cooling.

 

 

 

 

Discuss heat leakage and the different methods of calculating.

 

 

 

 

Discuss the importance of infiltration in air conditioning.

 

 

 

 

Explain how different kinds of usage can affect the systems design.

 

 

 

Application

Calculate the heat loss and the heat gain for a particular residence.

 

 

 

DUCT DESIGN

10

20

10

Theory

Define several of the methods used in duct sizing.

 

 

 

 

Discuss the different types of duct systems.

 

 

 

Application

Calculate the type of system and size of ducts for a sample residence.

 

 

 

 

Assemble a round pipe duct system in the shop area.

 

 

 

 

Assemble an extended plenum system in the shop area.

 

 

 

ZONE CONTROL

6

15

10

Theory

Discuss the purpose of zone controls.

 

 

 

 

Identify several zone controls.

 

 

 

Application

Install a zone control in an extended plenum system.

 

 

 

EQUIPMENT SELECTION

7

10

10

Theory

Discuss several reasons why the air conditioning technician should not simply install oversized units in most applications.

 

 

 

 

Explain how air conditioning equipment is selected to be installed in a given situation.

 

 

 

 

Discuss several manufacturers' catalogs and the relevance of the enclosed information.

 

 

 

Application

Install a properly-sized condensing unit in a sample situation.

 

 

 

 

Check an existing central heat furnace to determine if the blower motor can handle the addition of an evaporator.

 

 

 

SAFETY

2

0

0

Theory

Discuss several safety concerns to be aware of when designing a residential system.

 

 

 

 

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/.