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17-05-2012, 09:06 PM #1
ref question
hi every one
my question is
if i want to press air conditioner 2 ton split unit type type with air to detect leaks
which valve i should choose discharge or suction valve
i know i must use discharge but some people say that i should use suction valve
why i dont know
there prove is some split unit came with valve on suction line only