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In another class from our training series from Polar Bear Air Conditioning, Bryan Orr presents Part 2 of HVAC Troubleshooting fundamentals. Learn about the critical relationship between suction pressure and evaporator temperature, liquid pressure and condensing temperature, and how subcooling indicates liquid stacking in the condenser. Bryan explains why common practices like running continuous fan operation can worsen humidity issues in humid climates, and shares practical diagnostic approaches including isolation diagnosis for electrical issues. This session includes valuable insights on delta T measurements, the impact of humidity on system performance, and how to properly diagnose transformer and fuse problems.

Key topics:

Temperature and pressure relationships
Humidity effects on system performance
Isolation diagnosis techniques
Low voltage troubleshooting
Delta T considerations in humid climates

#HVAC #HVACtraining #Troubleshooting #HVACtech #hvacschool

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