Quote:
Originally Posted by Bob Landry
You're not done. Hold your hand up in the return air chamber and see if you feel cold air right off the blower. If you do, you have a leak at the unit itself. Also, if you have not done so, pull the registers in the ceiling and make sure they are properly taped to the duct, If they are not, you are blowing cold air into the ceiling.
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Good point if you have a cold air return, probably just as messed up. On ours there is no return duct. Rather than connected to a duct a divided is installed in the main unit forming two section a return and a condition section. Both sections are covered by the grill in the ceiling. The Single return for the rig is that single ceiling grill.
What I have found and had to tape is that divider which was blown off center causing portion of conditioned air to be sucked into the return side
Added: I think that ceiling grill is also called a cold blast, the condition air section has sliders that can be opened all or some to blast conditioned out that griil. When closed conditioned forced into t he two output ducts