Vacuum pumps play a crucial role in HVAC work. Dive deeper into the tips on how to use vacuum pumps. Catch the full video on the HVAC School website! https://buff.ly/3LvAdgH #HVACSchool #HVAC #HVACR #VacuumInsights | HVAC School
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Why We Pull a Deep Vacuum Before Charging an AC Before refrigerant ever goes into a system, this step matters. After brazing the condenser in, we purge, pressure-test with nitrogen, and pull a deep vacuum down to 500 microns. That process removes moisture, air, and contaminants from inside the system the things that cause acid buildup, efficiency loss, and long-term damage if left behind. Taking the time to hold that vacuum isn’t about speed. It’s about doing the job correctly so the system runs
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