STANDARD COMPETENCIES

 

 1. Identify the components of air to air and water source heat pumps.

 2. Describe the heating and cooling cycles of air to air and water source heat pumps.

 3. Demonstrate an understanding of a 4 way reversing valve used in a heat pump system.

 4. Describe the operation of metering devices and check valves.

 5. Explain the function of standard heat pump controls and of common heat pump accessories.

 6. Describe the function of the heat pump defrost cycle.

 7. Demonstrate an understanding of coefficient of performance and auxiliary heat.

 8. Perform troubleshooting of both air to air and water source heat pumps.

 9. Identify the different installation setups required for air source, water source and ground source heat pump systems.

 

 

 TOPICAL OUTLINE

 

 I. Types of Heat Pumps

      a. Air to air heat pump

      b. Removing heat from the ground

      c. Water to air heat pumps

 II. Reverse Cycle Refrigeration

 III. 4 Way Reversing valve

 IV. Metering Devices and Check Valves

 V. Suction and Liquid Line Accessories

 VI. Defrost Cycle

      a. Initiating the defrost cycle

      b. Terminating the defrost cycle

      c. Electronic control of defrost

 VII. Coefficient of Performance (COP)

      a. Balance Point

      b. Auxiliary Heat

 VIII. Geothermal Heat Pumps

      a. Open Loop Systems

      b. Closed Loop Systems

      c. Earth Coupled Systems

 IX. Troubleshooting

 X. Different Systems Installations