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Thread: 4 ton split unit ac problem
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01-07-2012, 08:51 PM #1
4 ton split unit ac problem
hi every one
i got 4 ton split unit ac from general type heat and cool
with damaged compressor
so i replaced it with new one from some LRA and size
i checked compressor before installing so compressor worked properly
but when i started charging system i encountered this problem
if i charge the system with required amount of ***** by weight the compressor starting opening safety valves
but if charge system with little amount of ***** by weight the compressor and system work propely
i tried anothre types of ***** 22 and i made clean for the system and i changed the filter and expansion valves
i checked the electrical connection they are properly connected
can any one help mePower consists not in being able to strike another but in being able to control oneself when anger arises