Standard

 rev.07/03/03

APS 100 – Appliance Controls Fundamentals

Course Description

Introduces the fundamental theory and operational characteristics of appliance operational control systems. Emphasis is placed on control of temperature, time, speed, pressure, volume, and safety. Topics include: mechanical controls, electrical controls, electronic controls, gas controls, coupling components, safety monitoring circuits, and principles of servicing.

Competency Areas

Hours

Mechanical Controls

Class

3

Electrical Controls

D. Lab

2

Electronic Controls

P. Lab/O.B.I.

0

Gas Controls

Credit

4

Coupling Components

 

 

Safety Monitoring Circuits

 

 

Principles of Servicing

 

 

 

 

 

Prerequisite:

 

 

Corequisite:

 

 

 

 Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D. Lab

P. Lab/

O.B.I.

MECHANICAL CONTROLS

6 

4

0

Sensors

Discuss the function of sensors in washers and dishwashers.

 

 

 

 

Identify types of sensors.

 

 

 

 

Identify the symptoms of malfunctioning sensors.

 

 

 

 

Locate sensors in appliances.

 

 

 

Switches

Discuss the function of switches in appliances.

 

 

 

 

Identify types of switches.

 

 

 

 

Identify the symptoms of malfunctioning switches.

 

 

 

 

Locate switches in appliances.

 

 

 

Timers

Discuss the function of mechanical timers in appliances.

 

 

 

 

Identify types of mechanical timers.

 

 

 

 

Identify the symptoms of malfunctioning mechanical timers.

 

 

 

 

Locate mechanical timers in washers, dryers, ovens, and dishwashers.

 

 

 

Soap dispensers

Locate soap dispensing systems in washers.

 

 

 

ELECTRICAL CONTROLS

6 

4

0

Switches

Discuss the purpose of electrical switches used in appliances.

 

 

 

 

Identify types of electrical switches.

 

 

 

 

Identify the symptoms of malfunctioning electrical switches.

 

 

 

Timers

Discuss the function of electrical timers in appliances.

 

 

 

 

Identify types of electrical timers.

 

 

 

 

Identify the symptoms of malfunctioning electrical timers.

 

 

 

 

Locate electrical timers in washers, dryers, ovens, and dishwashers.

 

 

 

Motor starter relays

Discuss the function of motor starter relays used in appliances.

 

 

 

 

Identify types of motor starter relays.

 

 

 

 

Identify the symptoms of malfunctioning motor starter relays.

 

 

 

 

Locate motor starter relays.

 

 

 

Variable speed controls

Discuss the function of variable speed controls used in appliances.

 

 

 

 

Identify types of variable speed controls.

 

 

 

 

Identify the symptoms of malfunctioning variable speed controls.

 

 

 

 

Locate variable speed controls in appliances.

 

 

 

ELECTRONIC CONTROLS

6 

4

0

Electronic timers

Discuss the function of electronic timers and timing circuits used in appliances.

 

 

 

 

Identify types of electronic timers.

 

 

 

 

Identify the symptoms of malfunctioning electronic timers.

 

 

 

 

Locate electronic timing circuits in appliances.

 

 

 

Electronic function controls

Discuss the function of electronic function control circuits used in appliances.

 

 

 

 

Identify types of electronic function controls.

 

 

 

 

Identify the symptoms of malfunctioning electronic function controls.

 

 

 

 

Locate power level control circuits for microwave ovens.

 

 

 

GAS CONTROLS

3 

2

0

Range orifices

Locate gas range burner orifices.

 

 

 

Ignition systems and regulators

Discuss the function of ignition systems and regulators used in gas appliances.

 

 

 

 

Identify types of burner ignition systems and gas regulators.

 

 

 

 

Identify the symptoms of malfunctioning ignition systems and gas regulators.

 

 

 

 

Locate gas burner ignition systems in appliances.

 

 

 

 

Locate gas regulators in appliances.

 

 

 

COUPLING COMPONENTS

3 

2

0

Washer couplings

Identify the function of couplings in washer appliances.

 

 

 

 

Identify types of couplings in washer appliances.

 

 

 

 

Locate couplings in washer appliances.

 

 

 

SAFETY MONITORING CIRCUITS

3 

2

0

Interlock circuits

Identify the function of safety interlock circuits.

 

 

 

 

Identify types of safety interlock circuits.

 

 

 

 

Locate interlock circuits in appliances.

 

 

 

PRINCIPLES OF SERVICING

3 

2

0

Service concepts and practices

List activities performed on service calls.

 

 

 

 

Identify typical customer relations skills.

 

 

 

 

Discuss the work roles and responsibilities of appliance servicers.

 

 

 

Administrative procedures

Describe typical service call record-keeping procedures.

 

 

 

 

Identify typical service call record-keeping forms.

 

 

 

 

Identify information needed to complete job status reports.

 

 

 

Equipment use, tool, and parts control

Identify tools and equipment commonly used for on-site appliance servicing.

 

 

 

 

Describe procedures used to requisition parts.

 

 

 

 

Suggested Resources

 

Books

Davis, E. G. Customer relations for technicians. New York: McGraw-Hill.

Meyerink, G. Appliance service handbook. Englewood Cliffs, NJ: Prentice Hall.

Whirlpool Corporation. Customer relations for appliance technicians, G-15. LaPorte, IN: Author.

Whirlpool Corporation. The professional approach, G-10. LaPorte, IN: Author.

Whirlpool Corporation. Quality - Pass it on, G-16. LaPorte, IN: Author.

 

Audiovisuals

Whirlpool Corporation. Calltaker (Videocassette No. LIT 677484). LaPorte, IN: Author.

Whirlpool Corporation. Customer relations for appliance technicians, G-15 (Videocassette No. LIT 787045). LaPorte, IN: Author.

Whirlpool Corporation. The professional approach, G-10 (Filmstrip No. LIT 829181 and Cassette No. LIT 829180). LaPorte, IN: Author.

Whirlpool Corporation. Quality - Pass it on, G-16 (Videocassette No. LIT 787195). LaPorte, IN: Author.