You should look at the manufacturers directions to see. It's not always the same for every unit.
12 psi
The cast of By the Watercooler - 2008 includes: Lindsey Burkland as Amy Andrew Spires as Ryan
25-40 psi
The cast of Watercooler of the Future - 2008 includes: Ariana Citriani as Vicky Andrew Heikkila James Huffman as Sam Michael Magor as Ray
model ebfsa4-1b is 4.8 oz r143a
It should be 134A, look at the fittings, if there are threads on the outside it's R-12. If they look like air hose quick connects it' 134A
R-12 unless converted to R-134a
The correct spelling is "pressure."
you can have a licensed r-12 mechanic charge it for you or you can get the r-12 to r-134a adapters for it, but you have to change the dryer.
pressuer and haet
atmosphere it has the highest layer
134A 134A 134A