Once you have turned the power supply off to the air handler open the air handler panel where the suction and liquid lines run into the air handling unit.
First company air handler troubleshooting.
Oct 13 2017 1 anyone install these things.
Start date oct 13 2017.
2 of them use a honeywell zone duct board and one is stand alone.
1 of 2 go to page.
Box 270969 dallas texas 75227 ph.
I have 3 of them all hydro air 30hbxb hw.
Be very careful not to bend or crimp these lines or any lines in the air handlers.
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