Welcome to:Air Conditioning Maintenance & Repair

Course

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.

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.

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!

Your Roles and Responsibilities in Air Conditioning

Air Conditioning Safety Rules:

1. Turn Power Off2. Wear Personal

Protective Equipment (PPE)

3. Follow Lock-Out/Tag-Out Procedures

Air Conditioning Safety Rules:

4. Handle RefrigerantsCorrectly.

5. Use Material SafetyData Sheets(MSDS Sheets).

6. Keep Tools &Equipment in GoodWorking Order.

Key Tools for Air Conditioning Repairs

Basic Hand ToolsSpecialty Air Conditioning

Repair Tools

Refrigerants and their Special Properties

The Air Conditioning System

Refrigeration Cycle in an Air Conditioning System

Key Parts of an Air Conditioning System

Cleaning the Condenser

Replacing a Filter

Cleaning the Evaporator Pan and Drain Line

Tightening Loose Fan Blades

The Super Heat Method

The Sub-cooling Method

Recovering Refrigerant

Evacuating and Dehydrating the System

Group Discussion on the Refrigeration System

Electrical System Repairs

• Power Sources

• Input Power Distribution Circuits

• Control Circuits

• Load Circuits

Measure the Input Voltage

Test Fuses and Circuit Breakers

Check the Thermostat Operation

Check the Compressor Motor Start Relay

Check the Start and Run Capacitors

Test the Compressor for Open or Shorted Windings

Test the Compressor Motor for Grounded Windings

Identify Unmarked Compressor Terminals

Check the Fan Motor

Run Capacitor

Test Fan Motor for Open,

Shorted, or Grounded Windings

Two Types of Blowers

Two Types of Blowers

Add Pictures from Instructor’s Resource Guide

Page #58

Test a Blower Motor

Replace a Blower Motor

Unit Replacement

Air Conditioners with SEER 13 Ratings

Air Conditioning Problems and Solutions

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.

Thank you for being a part of today’s Air Conditioning Repair and Maintenance

Course!!