hi every one
i work in thermal power plant
since many years we used r22 ac unit in it
they were sucssful
before amonth
we been supplied by ac unit but with r410
problem is the cooling of these unit was too weak
so we tried many mark of ac
lg.samsung etc
same result
since the temp in iraq reaches 51 c in some days
so where is the problem
in ***** 410
or in the unit or where
can some one advice me