Standard |
APS 106 - Refrigeration Appliances
II
Continues instruction on the operation, service, and installation of refrigeration appliances. Emphasis is placed on household refrigerators and icemakers. Topics include: identification of sealed-system components, wiring diagram interpretation, sealed-system component service, icemaker service, cabinet component service, window air conditioner and dehumidifier installation, and refrigerant recovery and federal certification.
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Competency
Areas |
Hours |
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Identification of Sealed-System Components |
Class |
2 | |
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Wiring Diagram Interpretation |
D. Lab |
2 | |
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Sealed-System Component Service |
P. Lab/O.B.I. |
3 | |
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Icemaker Service |
Credit |
4 | |
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Cabinet Component Service |
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Window Air Conditioner and Dehumidifier Installation |
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Refrigerant Recovery and Federal Certification |
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Prerequisite: |
APS 105 | ||
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Corequisite: |
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Course Guide |
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Competency |
After completing this
section, the student will: |
Hours | ||
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Class |
D.Lab |
P.Lab/ O.B.I. | ||
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IDENTIFICATION OF
SEALED-SYSTEM COMPONENTS |
2 |
1 |
4 | |
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Refrigerants |
Identify types and characteristics of refrigerants used in icemakers, window air conditioners, and dehumidifiers. |
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Identify components of various refrigeration systems used in icemakers, window air conditioners, and dehumidifiers. |
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WIRING DIAGRAM INTERPRETATION |
2 |
0 |
4 | |
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Symbol recognition |
Identify components on wiring diagrams for icemakers, window air conditioners, and dehumidifiers. |
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Sequence of operation |
Describe the operational state of components for all cycles of operation of icemakers, window air conditioners, and dehumidifiers. |
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SEALED-SYSTEM COMPONENT SERVICE |
6 |
0 |
20 | |
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Use a watt meter to analyze a sealed-system problem in icemakers, window air conditioners, and dehumidifiers. |
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Servicing tubing and connectors |
Cut tubing and connectors for icemakers, window air conditioners, and dehumidifiers. |
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Form tubing and connectors for icemakers, window air conditioners, and dehumidifiers. |
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Braze tubing and connectors for icemakers, window air conditioners, and dehumidifiers. |
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Sealed-system servicing |
Service condensers, evaporators, and window metering devices for air conditioners and dehumidifiers. |
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Service compressors for air conditioners and dehumidifiers. |
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ICEMAKER SERVICE |
2 |
0 |
2 | |
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Diagnosis and repair procedures |
Diagnose icemaker malfunctions. |
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Repair/replace defective icemaker components. |
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Service icemaker electrical wiring. |
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Check icemaker for correct operation using manufacturers' specifications. |
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CABINET COMPONENT SERVICE |
2 |
0 |
2 | |
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Electrical components |
Service window air conditioner and dehumidifier fan motors. |
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Service window air conditioner and dehumidifier capacitors. |
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Service window air conditioner and dehumidifier function selection switches. |
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Service window air conditioner and dehumidifier thermostat and temperature control circuits. |
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Service window air conditioner and dehumidifier electrical wiring. |
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Mechanical components |
Service icemaker, window air conditioner, and dehumidifier cabinet and door hardware. |
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Service icemaker door gaskets. |
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WINDOW AIR CONDITIONER AND DEHUMIDIFIER
INSTALLATION |
2 |
0 |
10 | |
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Electrical requirements |
Assure that appliance ampere load does not exceed service limits for window air conditioners and dehumidifiers. |
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Request installation of separate electrical service as needed for window air conditioners and dehumidifiers. |
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Window air conditioner installation |
Confirm structural integrity of window air conditioner installation site. |
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Calculate room air conditioning requirements. |
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Mount window air conditioner according to manufacturer instructions and local code requirements. |
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Dehumidifier installation |
Determine adequacy of power supply for dehumidifier installation. |
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Install water drain on non-portable dehumidifiers. |
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Mount window air conditioner according to manufacturer instructions and local code requirements. |
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4 |
1 |
6 | ||
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Recover various refrigerants according to EPA regulations. |
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Understand EPA regulations and federal law as they relate to refrigerant recovery. |
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Suggested Resources |
Whirlpool Corporation. (1988). Air conditioner sizing and performance
testing, R-46. LaPorte, IN:
Author.
Whirlpool Corporation. (1988). Room air conditioner diagnosis, R-48. LaPorte, IN:
Author.
Whirlpool Corporation. (1988). Room air conditioner fundamentals, R-47. LaPorte, IN:
Author.
Whirlpool Corporation. (1988). Understanding and servicing the compact
icemaker, R-40. LaPorte, IN:
Author.
Whirlpool Corporation. (1989). Part II, refrigeration (Course 602704).
LaPorte, IN: Author.
Audiovisuals
Whirlpool Corporation. (1988). Air conditioner sizing and performance
testing, R-46 (Filmstrip No. LIT
677301 and Cassette Tape No. LIT 677302). LaPorte, IN:
Author.
Whirlpool Corporation. (1988). Room air conditioner diagnosis, R-48 (Filmstrip No. LIT 677418 and
Cassette Tape No. 677419). LaPorte, IN: Author.
Whirlpool Corporation. (1988). Room air conditioner fundamentals, R-47 (Filmstrip No. LIT 677415 and
Cassette Tape No. 677416). LaPorte, IN: Author.
Whirlpool Corporation. (1988). Understanding and servicing the compact icemaker, R-40 (Filmstrip No. LIT 603358 and Cassette Tape No. LIT 603359). LaPorte, IN: Author.