Air Conditioner Compressor Troubleshooting | Diagnosis & Repair

by | Refrigeration | 18 comments

What you will learn in Air Conditioner Compressor Troubleshooting article:

  1. the difficulties in troubleshooting a hermetically sealed compressor
  2. differences in various compressor manufacturers and HVAC manufacturers
  3. the commonality of single-phase compressors
  4. basics of troubleshooting an air conditioner or heat pump compressor
  5. Compressor capacitors and compressor mechanics
  6. basic tips for compressor repair
  7. Air Conditioner Compressor Repair - Heat Pumps are included
  8. lots of resource and related links that allow you to go in-depth and learn about HVAC compressors

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Variable Speed GE ECM Motors | HVAC Control

by | Technical Reference | 16 comments

Variable Speed GE ECM Motors - When you look at buying a new HVAC system it will surely arise when the HVAC salesman or HVAC contractor who comes to give you an estimate will show an HVAC system that has a variable speed motor or the GE ECM (Electronically Commutated Motor) installed in it. These are systems that have a higher efficiency rating than the HVAC equipment that has the typical electric blower or condenser fan motor. (more…)