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46

Competency and Task List

Electric Heat

Students

should have

knowledge of

and be able to

demonstrate

proficiency in:

Describing and demonstrating the procedure to replace the belt and adjust air flow on a belt

driven blower assembly

Describing, fabricating and install various types of duct connectors

Describing the application of and preform the installation of turning vanes

Describing the construction and efficiencies of varying filtering media and systems

Electric Heat Troubleshooting and Problem Solving

Evaluating and replacing a heating element and a sequencer

Describing installation and service procedures for central heating system

Stating the minimum required clearances for service and safety of an electric furnace

Evaluating, describing its operation, and install a duct heater

Describing procedures for retrofit of a system to electric heat

Students

should have

knowledge of

and be able to

describe and

demonstrate

the following

safety

requirements:

Ladder safety procedures

Describe and perform “Lock out and Tag” procedures

Identifying the safety ground

Identifying the “Hot” conductor

Identifying “Neutral” conductor

Describe and install a GFCI circuit breaker

Describe and demonstrate safety grounding procedures for electric motors

Describe the application of and test a fusible link

Electrical Shock, prevention and first aid

Electrical Burns, prevention and first aid

Describe and demonstrate emergency first aid procedures

Electric Heat

troubleshootin

g and problem

Troubleshooting and Problem Solving involves diagnostic procedures requiring the use of test

instruments, data plate information, and wiring diagrams. All of the HVACR electric furnace

system components, circuits, air distribution system, and/or power supply should be part of the

Knowledge of

the following

test

instruments

and or tools is

required:

Ohmmeter

Multimeter

Ammeter

Voltmeter

Wattmeter

Megger meter

Capacitor analyzer