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Course Title:
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Testing, Adjusting and Balancing HVAC Systems
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Course Prefix & Number:
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HVAC2358
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Section Number:
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100
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Term Code:
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Semester Credit Hours:
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3
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Lecture Hours:
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2
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Lab Hours:
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2
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Course Description (NCTC Catalog):
A study in the process of checking and adjusting all the building environmental systems to produce the design objectives. Emphasis on efficiency and energy savings.
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Course Prerequisite(s): Refrigeration Principles, Fundamentals of Residential Building Science
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Course Type: Air flow management and design
o - Academic General Education Course (from Academic Course Guide Manual but not in NCTC Core)
o- Academic NCTC Core Curriculum Course
x- WECM Course
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Name of Instructor:
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Kenny Smith
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Campus/Office Location:
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CTC Gainesville
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Telephone Number:
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940 668 7731 x4426
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E-mail Address:
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bamoore@nctc.edu
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Name of Chair/Coordinator:
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Kenny Smith
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Office Location:
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CTC2110
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Telephone Number:
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940-668-7731, x4426
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E-mail Address:
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ksmith@nctc.edu
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REQUIRED OR RECOMMENDED COURSE MATERIALS
Fundamentals of HVACR second edition by Carter Stanfield and David Skaves (ISBN 13: 978-0-13-285961-5)
GRADING CRITERIA
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# of Graded Course Elements
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Graded Course Elements
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Percentage or Points Values
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1
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Unit 47 Trouble shooting Air Conditioning systems
Assignment- Answer and turn in all the review questions at the end of this unit
Assignment- trouble shoot a split system electrical systems
Assignment- trouble shoot a split systems refrigeration cycle
Test over unit 47
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The average grade from the assignments and the test grade for his unit will be the grade for this module
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1
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Unit 71
Duct Design
Assignment- Answer and turn in all the review questions at the end of unit 71
Assignment – using existing house plans, design a complete duct system.
Test over unit 71
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The average grade from the assignments and the test grade for his unit will be the grade for this module
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1
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Unit 73
Testing and balancing air systems
Assignment- using a flow hood measures the cfm at each register in an existing home. Make the necessary recommendations if any are needed for balancing the HVAC system.
Test over unit 73
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The average grade from the assignments and the test grade for his unit will be the grade for this module
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Total
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The final grade will be taken from the average grade for these three units
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END OF COURSE OUTCOMES (WECM)
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Student Learning Outcome
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Interpret HVAC design specifications and plans
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Measure air flow, water flow, and system pressure with instruments
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Perform calculations for fan and pump laws including psychometrics
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Adjust and align mechanical equipment
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Diagnose malfunctioning equipment and create a punch list
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Test air quality, humidity, noise, and temperature
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GENERAL DESCRIPTION OF SUBJECT MATTER FOR EACH LECTURE/DISCUSSION
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Topic
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General Description of Subject Matter
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Trouble Shooting Air Conditioning systems
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Trouble shoot air conditioning system air distribution problems, adjust air conditioning system airflow, trouble shoot air conditioning system electrical problems, perform diagnostic tests on air conditioning system electronic controls, read and interpret troubleshooting charts, trouble shoot air conditioning system mechanical problems
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Duct Design
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List the three overall goals in duct design, list the different duct design methods, and discuss how to determine the duct system design static pressure. Explain the difference between design friction loss rate and the actual static pressure loss through a duct. Explain how a ducts equivalent length is determined; use a duct calculator to look up the duct size, air velocity, and friction rate. List the criteria for selecting grilles and registers.
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Testing and balancing air systems
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Explain why TAB (test and balance) is critical to the operation of an air conditioning system. Explain why TAB is critical to energy consumption of an air conditioning system. List the organizations involved in the TAB industry, list the instruments used to perform TAB procedures. Explain proper use of instruments used in TAB procedures, describe TAB procedures.
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ATTENDANCE POLICY
Regular and punctual attendance is expected of all students in all classes for which they have registered. Students absent (excused or unexcused) for 15% of the regular schedule classes, or more may receive an “F” for the course or may be dropped from the course. Being late for class or leaving early from class will count as ½ of a class period, leaving class early or coming to class late twice will count as one absence. Class participation assignments and exams will be used to determine regular attendance for online students. A student that is compelled to be absent when a test is given, will petition the instructor, in advance, for permission to take the exam early. A student will be allowed to drop one exam from the required exams given during the course. Required work not completed by due dates will not be allowed to be turned in late without instructor approval.
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Last day to Withdraw
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For the spring 2017 semester, the last day to withdraw from a course with a “W” is February 20, 2017 .
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Student Rights & Responsibilities
NCTC Board policy FLB (Local) Student Rights and Responsibilities states that each student shall be charged with notice and knowledge of the contents and provisions of the rules and regulations concerning student conduct. These rules and regulations are published in the Student Handbook published in conjunction with the College Catalog.
Scholastic Integrity
Scholastic dishonesty shall constitute a violation of college rules and regulations and is punishable as prescribed by Board policies. Scholastic dishonesty shall include, but not be limited to cheating on a test, plagiarism, and collusion. See the Student Handbook for more information.
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STUDENT SUPPORT SERVICES
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Disability Services (OSD)
The Office for Students with Disabilities (OSD) provides accommodations for students who have a documented disability. On the Corinth Campus, go to room 170 or call 940-498-6207. On the Gainesville Campus, go to room 110 or call 940-668-4209. Students on the Bowie, Graham, Flower Mound, and online campuses should call 940-668-4209.
North Central Texas College is on record as being committed to both the spirit and letter of federal equal opportunity legislation, including the Americans with Disabilities Act (ADA) of 1990, ADA Amendments Act of 2009, and Section 504 of the Rehabilitation Act of 1973 (P.L. 93-112). http://www.nctc.edu/StudentServices/SupportServices/Disabilityservices.aspx
Student Success Center
The Student Success Center is designed to help all students at NCTC develop tools to achieve their academic goals. The center links students to FREE tutoring, including a Writing Center, a Math Lab, and free online tutoring in the evening. The program helps students acclimate to college by providing students free interactive workshops. For more information, please visit your nearest Student Success Center.
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Tobacco-Free Campus
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NCTC restricts the use of all tobacco products including cigarettes, cigars, pipes and smokeless tobacco on campus property.
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