HEATING & AIR CONDITIONING MECHANIC & INSTALLER

Anonymous

National (OA)

Documents

Individual state requirements may vary. Please contact your local apprenticeship office to ensure this version is suitable to your state’s requirements.

Work Process Schedule

Work Process Content

On the Job Training

Anonymous

8.5K

OJT hours

Safety, Refrigeration Basics and Orientation, Customer Relations

800

Safe handling of refrigerants, pressurized gasses, and combustibles
Use of Safety Data Sheet information
Lockout & tag out procedures

Methods for Handling Equipment and Power Tools

1.5K

Use of ladder and torch
Identify common seals, bearings, gaskets and packing materials
Identify belt drive components and replace, align, and adjust tension these components
Inspect and maintain common packaged and split HVACR systems

Constant Humidity

300

Explain the sequence of operation of common airside accessories- humidifiers, electronic air cleaners, economizers, UV lighting systems, and heat recovery ventilators/systems

Heavy Air Conditioning

500

Describe commercial airside, ventilation, and exhaust systems
Demonstrate the knowledge of constant volume, variable volume and variable volume/temperature (VVT) systems and their applications
Operate various air terminal and delivery equipment
Identify the key components, the operation, and common service issues pertaining to packaged and split air handling equipment, economizers, air filtration and other common accessories

Soldering, Welding, Pipefitting, Tube Bending and Fitting

2.5K

Install and support soldered/brazed joints and mechanical/flared connections of various types of copper pipe/tubing
Design and install steel piping in residential and commercial applications using fitting geometry including allowances, methods of joining and threading, installation of hangers and other support means
Install various types of pipe insulation materials

Diagram and Blueprint Reading

300

Accurately read blueprints and specifications including symbols, schedules, details and proficiency locate specific information

Controls

300

Inspect cooling system for primary controls, safeties, refrigerant control valves, and regulators
Troubleshoot and repair components, controls, and supplemental heat systems
Diagnose and troubleshoot heat pump systems, controls, and components
Diagnose and troubleshoot gas heating systems, controls, flame and pilot verification systems, and components

Test Instruments and Equipment, Service, Install, and Troubleshoot

2.3K

Troubleshoot and service electronically commutated motors (ECM)
Start and setup variable frequency drives as well as resolve common issues
Troubleshoot common control circuits and load components
Operate, install, and troubleshot temperature controls and various types of thermostats
Use wiring diagrams necessary to troubleshoot control system failures

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