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They have found the following drying has been damaged more than 3/4 years back, but my local experts were ever unable to trace the issue (Mohammadpur)
This is called drier Gas
I just wondered to see they installed everything based on the above block diagram and my car became turn into a deep freezer. Thanks to Mr Shakil (owner of Forward A/C company more than 2 decades in this profession) . I am really lucky on this kinda outstanding findings.
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