Refrigeration – DX System Component Troubleshooting

By the end of this course you will be able to: Describe how to troubleshoot compressor issues including issues associated with the motor windings low refrigerant charge liquid-line restrictions other restrictions and the lube oil system List problems that can occur with expansion valves including those associated with the temperature-sensing bulb valve obstruction and valve sticking  Describe where liquid-line restrictions can occur and the associated symptoms