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Welcome to:Air Conditioning Maintenance & Repair
Course
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Agenda
• Your Roles and Responsibilities in Air Conditioning Maintenance & Repair.
• Air Conditioning Safety.• Tools & Equipment for Air Conditioning Repairs.• Refrigerants & Their Special Properties.• The Air Conditioning System.• Simple Fixes.• Refrigerant System Repairs.• Electrical System Repairs.• Air Distribution System Repairs.• Key Takeaways, Action Plan, and Wrap-Up.
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Before We Start• This is a two day course, with two 15 minute
breaks and a one-hour lunch each day.• Your full participation is greatly appreciated!• You will be using your Resource Guide• Watching in-class demonstrations & videos• Having group discussions • Completing a few hands-on activities• Completing the online course The Future of
Air Conditioning in the Apartment Industry.
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Other Housekeeping Items• Locations of Restrooms.• Emergency Exits.• Kitchen and/or Break Area.• Vending Machines.• Registration.• Smoking Area.• Turn pagers and cell phones off.• Get comfortable.• Be open minded and have fun!
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Your Roles and Responsibilities in Air Conditioning
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Air Conditioning Safety Rules:
1. Turn Power Off2. Wear Personal
Protective Equipment (PPE)
3. Follow Lock-Out/Tag-Out Procedures
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Air Conditioning Safety Rules:
4. Handle RefrigerantsCorrectly.
5. Use Material SafetyData Sheets(MSDS Sheets).
6. Keep Tools &Equipment in GoodWorking Order.
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Key Tools for Air Conditioning Repairs
Basic Hand ToolsSpecialty Air Conditioning
Repair Tools
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Refrigerants and their Special Properties
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The Air Conditioning System
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Refrigeration Cycle in an Air Conditioning System
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Key Parts of an Air Conditioning System
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Cleaning the Condenser
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Replacing a Filter
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Cleaning the Evaporator Pan and Drain Line
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Tightening Loose Fan Blades
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The Super Heat Method
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The Sub-cooling Method
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Recovering Refrigerant
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Evacuating and Dehydrating the System
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Group Discussion on the Refrigeration System
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Electrical System Repairs
• Power Sources
• Input Power Distribution Circuits
• Control Circuits
• Load Circuits
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Measure the Input Voltage
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Test Fuses and Circuit Breakers
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Check the Thermostat Operation
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Check the Compressor Motor Start Relay
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Check the Start and Run Capacitors
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Test the Compressor for Open or Shorted Windings
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Test the Compressor Motor for Grounded Windings
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Identify Unmarked Compressor Terminals
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Check the Fan Motor
Run Capacitor
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Test Fan Motor for Open,
Shorted, or Grounded Windings
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Two Types of Blowers
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Two Types of Blowers
Add Pictures from Instructor’s Resource Guide
Page #58
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Test a Blower Motor
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Replace a Blower Motor
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Unit Replacement
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Air Conditioners with SEER 13 Ratings
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Air Conditioning Problems and Solutions
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Supplemental Online Training
Don’t Forget… Take the Online Training for this CAMT Course!!• To continue your education.• To acquire more knowledge and skills for CAMT Designation test and for work.• Takes approximately 45 minutes.• You can take it from any computer with access to the Internet.• Go to the following web site: www.kaleidolearning.com/NAAEI/CAMT• Type the ID and password your received here.
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Thank you for being a part of today’s Air Conditioning Repair and Maintenance
Course!!