HEATING, AIR CONDITIONING & REFRIGERATION TECHNOLOGY DEPARTMENT COURSE SYLLABUS

Transcription

1 ARCHITECTURE, CONSTRUCTION & MANUFACTURING TECHNOLOGIES DIVISION HEATING, AIR CONDITIONING & REFRIGERATION TECHNOLOGY DEPARTMENT COURSE SYLLABUS COURSE NUMBER: Hart 1345 COURSE TITLE: GAS & ELECTRIC HEATING CREDITS: # (2 lectures, 3 labs) PREREQUISITE / COREQUISITE: Hart 1301 & Hart 1303 COURSE DESCRIPTION A study of the procedures and principles used in servicing heating systems including gas fired and electric furnaces. END-OF-COURSE-OUTCOMES By studying this course, students will be able to: Demonstrate knowledge of basic principles of the combustion process Identify the basic components of a forced air system Define the difference between a mid efficiency and a high efficiency furnace Apply heating principles to HVACR system Explain furnace operation Identify three types of fuel gases Identify several types of gas burners Identify the three types of ignition systems Explain the construction of furnace Differentiate the gas furnace and electric heat Explain service procedures for various types of furnace systems Identify and diagnose types of fuel systems, such as propane, butane, and natural gas Identify principles of electric heating Differentiate the advantages and disadvantages of electric heat List three types of electric resistance heating wires: open, ribbon, tubular cased wires Understand the supplementary heat Hoang N Do Page 1 12/14/2009

2 Diagnose electric heating systems Maintain electric heating systems operating at manufacturer s design specifications Interpret electrical circuitry as used in electric heating systems STUDENT LEARNING OUTCOMES SLO # 1 SLO # 2 SLO # 3 SLO # 4 SLO # 5 SLO # 6 STUDENT LEARNING OUTCOMES Given a reading assignment along with lectures, the student will identify type of fuel and operating fuel systems. Performance will be satisfactory, the student can differentiate type of fuel system used in the combustion process by passing 80 % on the quiz assignments Given a lab assignment along with lectures, the student will discuss the construction of furnace and its operation. Performance will be satisfactory when the student can apply the heating principles and identify furnace components by passing 80 % on the quiz and lab assignments. Given a lab assignment along with lectures, the student will demonstrate the use of measurement instruments such as pressure gauges, manometer, V/A/O meters, and hand tools to check heating system operating conditions. Performance will be satisfactory when the student can operate the proper tools for servicing equipment by passing 80 % of accuracy on the practice. Given the basic heating electrical circuit, the student will identify the type of circuit, diagram, and electrical symbols. Performance will be satisfactory when the student can interpret an electrical diagram of gas or electric heating by passing 90 % of accuracy on the practice. Given the forced air heating system, the student will demonstrate the sequence of gas or electric heating operation. Performance will be satisfactory; the student can diagnose a furnace sequence by passing 90 % of accuracy on the practice. Given the forced air gas/electric heating system, the student will conduct the performance audit of gas/electric heat system based on manufacturer s design specifications. Performance will be satisfactory when the student can calculate equipment performance by passing 90 % of accuracy on the practice. Hoang N Do Page 2 12/14/2009

3 COURSE POLICIES Attendance Students are expected to attend classes regularly, and to be on time for every class period. Students can be dropped from a class due to excessive absences. Excessive tardiness may be considered absences. Students are responsible for subjects, assignments, and projects covered during their absences. Consult the Student Handbook for more details or visit Academic Honesty Scholastic dishonesty is treated with the utmost seriousness by the instructor and the College. Academic dishonesty includes, but it is not limited to the willful attempt to misrepresent one s work, cheat, plagiarize, or impede other students scholastic progress. Consult the Student Handbook for more details. Students with Disabilities The Disability Support Services Office (DSSO) assists students with physical, learning, or emotional disabilities in developing independence and self-reliance. Students with Disabilities are urged to contact the DSSO at least 30 to 60 days prior to the first day of class. The goal is to ensure that students with disabilities get off to a good start and have the support necessary for them to succeed. The DSSO are committed to compliance with the Americans with Disabilities Act (ADA) and Rehabilitation Act of 1973 (section 504). Student can contact by phone at TTY Fax Course Repeater Policy: Beginning in the Fall 2006, students who repeat a course for a third or more times will face significant tuition/fee increases at HCC and other Texas public colleges and universities. Please ask your instructor and/or counselor about opportunities for tutoring/other assistance prior to considering course withdrawal or if you are not receiving passing grades. Cell Phones All cell phones must be muted, set to vibrate, or turned off during class. Cell phone activity during class is deemed disruptive to the academic process and will not be tolerated. If you need to make or receive an Emergency Call, please leave the classroom. Calculators If the course allows the use of a calculator during class, lab projects, and exams, the student is responsible to bring his/her calculator. Cell phones are not calculators, and are not allowed to be used for that purpose during class, tests, or exams. Student ID Students are required to obtain a Student ID. For additional information, consult the Student Handbook. Parking Rules and Regulations Students are required to follow HCC s regulations regarding parking and permits. For additional information, visit Books, Tools and Supplies Students are required to purchase and bring to class the required textbooks, tools, notebooks, supplies, and writing instruments as required by the instructor. Hoang N Do Page 3 12/14/2009

4 By Bill Whitman; Bill Johnson; John Tomczyck; Eugene Silberstein Publisher: Delmar Edition: 6th Edition Publication Date: 2009 ISBN: By Stephen Herman Publisher: Delmar Edition: 004 Publication Date: 2009 ISBN: 13: Tool list is available to student during the first day of class meeting or find it at HCC Learning Web - Central Campus listed by instructor name: Hoang N Do Dress Code Dress code must be appropriate for the class. Students must dress in a way that clothing and accessories do not compromise their safety, and the safety of others. Proper foot wear is required in all laboratories. Absolutely no sandals or other footwear that exposes the feet will be allowed. Classroom & Laboratory Conduct Proper behavior is expected in all classes and laboratories. Foul language and horseplay are not allowed. Making or receiving cell phone calls during class are not allowed. Sleeping in class is not allowed. Hoang N Do Page 4 12/14/2009

5 Course Withdrawal It is the responsibility of the student to officially withdraw from a course before the official withdrawal deadline. A student who does not withdraw from a course by the deadline will receive an F as the final grade. Also note that under Section of the Texas Education Code, an institution of higher education may not allow a student to drop more than six courses. Student Evaluation Policies/Grading Scales: Class participation % Quiz ( 12 x 30) % Lab ( 6 x 40) % Midterm Examination % Final Examination % Total possible points = 1000 pts Percentage = 100% Grading Points The percentage of total points that students achieve is converted to a letter grade as follow: 94% to 100% = 4.00 A 87% to 93% = 3.00 B 80% to 86% = 2.00 C 73% to 79% = 1.00 D 72% to below = 0.0 F COURSE OBJECTIVES / GOALS Upon completion of this course, the student will able to: Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8 Class orientation Demonstrate knowledge of basic principles of the combustion process Explain the construction of furnace Explain furnace operation Identify furnace controls and components Describe ignition systems Explain sequence of operation for several different furnaces Explain service procedures for various types of furnace systems Midterm examination Week 9 Week 10 Week 11 Explain Venting of furnaces Identify principles of electric heating Differentiate the advantages and disadvantages of electric heat Week 12 List three types of electric resistance heating wires: open, ribbon, tubular cased wires Hoang N Do Page 5 12/14/2009

6 Week 13 Week 14 Week 15 Week 16 Understand the supplementary heat Diagnose electric heating systems Maintain electric heating systems operating at manufacturer s design specifications Interpret electrical circuitry as used in electric heating systems Final Exam COURSE OUTLINE, CONTENT GOALS & ACTIVITIES CONTENT OUTLINE GOALS / ACTIVITIES Week 1 Class orientation Syllabus requirements and assignments Course description and Learning Outcomes Required Textbooks and Tools Class attendance and grading scales Advice students on HVAC degree plan Week 2 Demonstrate knowledge of basic principles of the combustion process Define the term combustion Understand the basic combustion process List the three types of fuel system Identify AFUE ranges for gas heating systems Discuss furnace categories Discuss the safety of incomplete combustion. Define the primary air and secondary air Quiz 01 Lab - 01 Week 3 Explain the construction of furnace Review the Boyle s law relating to furnace Identify furnace types: Up flow, Don flow, Horizontal Identify furnace s components and recommended tools List venting system for gas furnace Hoang N Do Page 6 12/14/2009

7 Categorize venting systems Differentiate a natural draft and a power venting system List venting categories Quiz 02 Week 4 Explain furnace operation Identify gas valve and pressure regulator List different types of gas valves Understand manifold and gas burners operation Identify different types of heat exchanger List vent types for gas furnace Explain high limit temperature systems Demonstrate fan/limit switch operation Identify vent safety switch and vent pressure switch Quiz 03 Lab - 02 Week 5 Identify furnace controls and components Identify an electrical circuit of gas furnace State the sequence of gas furnace operation List all control components Understand the operation of each component in furnace Practice gas furnace diagram and its sequence of operation Understand the National fuel gas Codes Quiz 04 Week 6 Describe ignition systems Identify an electrical circuit List three basic types of ignition system Understand a standing pilot system Understand intermittent or automatic pilot Understand Direct ignition Identify components of a typical ignition system Hoang N Do Page 7 12/14/2009

8 List typical sequence of operation: pilot, intermittent, and direct fire Quiz 05 Week 7 Explain sequence of operation for different types of furnaces List three types of ignition circuit Understand terms used in electronic ignition system Trace the sequence of operation: a standing pilot system Trace the sequence of operation: Direct ignition system Trace the sequence of operation: intermittent or automatic pilot Differentiate 100% lock out system and a non 100% lock out system Quiz 06 Lab - 03 Week 8 Explain service procedures for various types of furnace systems Apply basic service procedures for high, mid, and low efficiency ranges Understand a safe working environment before servicing any furnaces Understand Flame diagnosis Understand the process of troubleshooting electric and electronic gas furnace modules Mid term examination Week 9 Explain Venting of furnaces Identify venting categories Differentiate atmospheric venting and power venting Define dew point and condensation Understand venting standards for temperature and pressure required by proper venting Quiz 07 Lab - 04 Week 10 Identify principles of electric heating Identify electric resistance heat systems List a wide range of application for electric heat Determine the BTU rating for KW rating Differentiate a primary heating and supplementary heating Hoang N Do Page 8 12/14/2009

9 Convert electrical energy into heat energy Convert Watts to Btu/hr, Amps, and KWH Quiz 08 Lab 05 Week 11 Differentiate the advantages and disadvantages of electric heat List the advantage of electric heat List the disadvantage of electric heat Define the COP Quiz 09 Week 12 List three types of electric resistance heating wires: open ribbon, tubular cased wires List three types of electric resistance heating wires Define the open wire element Define the open ribbon element Define the tube encase wire element Identify the application of each heat element Lab - 06 Quiz 10 Week 13 Understand the supplementary heat Differentiate the primary heat and supplementary heat Identify duct heaters Identify baseboard electric resistance heating Identify electric radiant heat Define the heat pump application Week 14 Diagnose electric heating systems Understand the sequence of operation in electric heating circuit Practice different types of electric heating circuit Understand the service procedure of electric heat system Use ammeter to determine heating element operation Use ohmmeter to check our resistance of heating elements, fuses, limit switches, and fusible links. Use voltmeter to check out voltage drop and determine the proper voltage Hoang N Do Page 9 12/14/2009

10 Quiz 11 Week 15 Maintain electric heating systems operating at manufacturer s design specifications Check out equipment performance at manufacturer s design Test the sequence operation Check out electrical circuit for tightness and cleanliness or corrosion Check out limit controls Check out blower motor performance Quiz 12 Week 16 Interpret electrical circuitry as used in electric heating systems Review different types of electric heating diagram Trace out the electrical circuit of each diagram Understand the sequence operation Instructor evaluation by using online survey Final examination The End Hoang N Do Page 10 12/14/2009