User's Manual

Pa ge 9
Essential tips for good evacuation
Before evacuating a system, it is essential to check f or an y potential leaks. Such leaks
ma y be discov ered at bra zed or flared j oin ts. Eva cua tion can onl y start on ce th e sy stem
h a s b een p rop erl y pressu re tested a n d f ou n d to b e com p letel y lea kp roof .
Leak Testing
in 3 easy step s
S t ep 1 45 PSI (N 2) - Test for a min imum of 3 min utes
S tep 2 220 PSI (N 2) - Tes t for a mi nimum of 3 minut e s
Step 3
450 PSI (N 2) - Tes t for a mi ni mu m of 24 h ours (i f us i ng R410A)