Transcription of Troubleshooting HVAC/R systems using refrigerant …
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Troubleshooting HVAC/R . systems using refrigerant superheat and subcooling Application Note Troubleshooting and servicing The refrigeration cycle refrigeration and air condition- ing systems can be a challeng- Based on the principle that heat ing process for both the entry flows naturally from warmer level and experienced HVAC/R areas to cooler areas, the refrig- technician. Regardless of your eration cycle consists of seven experience, size of the equip- stages: ment, or location, to troubleshoot 1. Compression of hot gas the system it is essential that 2. Cooling you have a solid understanding 3. Condensing of the fundamentals of refrigera- tion including the principles of 4. Subcooling superheat and subcooling. You 5. Expansion also need to have the right tools 6. Evaporation and know-how to apply these principles to use the tool quickly 7.
3 Fluke Corporation Troubleshooting HVAC/R systems using refrigerant superheat and subcooling the evaporator and there is a minimum pressure drop between
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