| | Searching Current Courses For Fall 2016 |
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Course: |
HVA 222
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Title: | HVAC&R Systems Troubleshooting |
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Long Title: | HVAC&R Systems Troubleshooting |
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Course Description: | Studies troubleshooting industrial and commercial heating, ventilating, air conditioning, and refrigeration systems. |
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Min Credit: | 5 |
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Max Credit: | |
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Status Notes: | This course is currently offered under FMT 222 |
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| S: Course number is changed to reflect CCCNS numbering |
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| S: system parameters. |
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Origin Notes: | PPCC |
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STANDARD COMPETENCIES:
I. Identify the T.E.C.H. method of troubleshooting.
II. Use the T.E.C.H. method.
III. Measure subcooling.
IV. Measure superheat.
V. Know what superheat and subcooling readings indicate.
VI. Troubleshoot a system based on superheat.
VII. Identify system design problems.
VIII. Recall basic schematics.
IX. Use schematics to find control problems.
X Review problems found in electric motors.
XI. Test for motor failures.
XII. Understand the T.E.C.H. P.L.u.S. method of analyzing control circuits.
XIII. Use the T.E.C.H. P.L.u.S. method to troubleshoot.
XIV. Understand the ¿flow¿ of troubleshooting flow charts.
XV. Use the flow chart in troubleshooting.
XVI. Differentiate systems by:
A. Refrigerant used
B. Temperature range
C. Metering device
XVII. Apply the T.E.C.H. method to troubleshoot a high temp cap tube system.
XVIII. Apply the T.E.C.H. method to troubleshoot a high temp TXV system.
XIX. Apply the T.E.C.H. method to troubleshoot a medium temp cap tube system.
XX Apply the T.E.C.H. method to troubleshoot a medium temp TXV system.
XXI. Apply the T.E.C.H. method to troubleshoot a low temp cap tube system.
XXII. Apply the T.E.C.H. method to troubleshoot a low temp TXV system.
XXIII. Recall basic burner and flame problems.
XXIV. Detect flame problems.
XXV. Correct flame failures
XXVI. Use flow charts to troubleshoot a gas fired furnace.
XXVII. Recall the sequence of operation of a typical spark ignition system.
XXVIII. Know the procedures for diagnosing spark ignition systems.
XXIX. Use flow charts to troubleshoot a spark ignition system.
XXX Identify various air problems in hydronic systems.
XXXI. Troubleshoot zone controls of a hydronic system.
XXXII. Perform role playing of various problems that could arise during a service call.
XXXIII. Understand what industry expects of the service man while on a call.
XXXIV. Understand the safety and desire for proper clothing and appearance.
XXXV. Mock service call.
XXXVI. Utilize proper customer relations.
XXXVII. Practice safe work methods.
XXXVIII.Use logical methods to troubleshoot.
XXXIX. Perform service calls on heating, refrigeration, and air conditioning systems
TOPICAL OUTLINE:
I. The T.E.C.H. Method
A. Temperature control calling
B. Evaporator condition
C. Condenser condition
D. Heat measurements
II. T.E.C.H. Method P.L.u.S.
A. Power
B. Loads
C. Switches
III. Applying the TECH and PluS methods to troubleshooting
A. Electrical vs Mechanical problems
B. Air flow¿s affect on heat measurements
C. Design problems
D. Temperature applications
1. How temperature application affect performance
2. How temperature application affects measurements
E. Heating Systems Diagnostics
F. Forced Air Gas Fired Equipment
G. Hot Water Heating
H. Roof Top Units
I. Steam Heating
IV. Combustion Problems
A. Burner operation
B. Fuel and air mixture
C. Venting problems
D. Controls
V. Customer Relations
A. Proper attire
B. Attitude
C. Safety
D. Cultural considerations
E. Company policies
VI. Service Calls
A. Utilizing SIMUTECH software perform three scenarios
B. Recall methods
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Pikes Peak State College |
PPCC |
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