Thread: unusual request
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Old 11-05-2023, 07:43 AM
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peter_4059 (Peter)
Big Scopes are Cool

peter_4059 is offline 		 
Join Date: Jun 2007
Location: SE Tasmania
Posts: 4,574
Maybe it is the refrigerant passing through the indoor unit. Try running it in fan only mode and see if you can still hear the noise.
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