تقييمات الطلاب
( 5 من 5 )
١ تقييمات
فيديو شرح HVAC 111 Refrigerant CFC 12 and HFC 134A ضمن كورس التبريد والتكييف (HVAC) شرح قناة Love2HVAC with Ty Branaman، الفديو رقم 137 مجانى معتمد اونلاين
EPA 609 MVAC motor vehicle AC take the test here
https://www.escogroup.org/training/epa609.aspx
EPA and lows for 609 https://www.epa.gov/mvac/section-609-clean-air-act-mvac
R-22 compressor vs 410a compressor teardown
https://www.youtube.com/watch?va4BOYxIZwJs
Pressure enthalpy Chart
https://www.youtube.com/watch?vqDY-NIyXMzo
https://www.youtube.com/watch?vyHExWd1LtIM
Resources
The News article on refrigerant smuggling
https://www.achrnews.com/articles/98239-r-12-smuggled-into-u-s-in-refrigeration-systems
R12
https://refrigerant-supply.com/R12.html#:~:textProduction%20of%20R12%20or%20CFC%2012%20was%20halted,The%20ARI%20standard%20is%20basically%20a%20virgin%20specification.
https://www.airtro.com/commercial-hvac-2/hvac-repair-chlorofluorocarbons-r22
Stratospheric Ozone
https://www.e-education.psu.edu/meteo300/node/595
Montreal Protocol and more
https://www.unep.org/ozonaction/who-we-are/about-montreal-protocol
https://ozone.unep.org/treaties/montreal-protocol
https://environment.gov.au/protection/ozone/montreal-protocol/graphs