Question about Aprilaire 550 Humidifier
I'm confused why I'm getting 14v off of the B/K and R terminals for my humidistat on my new Trane variable speed 60,000 BTU 80% furnace? Here is the Trane schematic, Page 15, note #9 explains the installation for the TUD060R9V3K
It also tells in the manual to snip the w/14 loop on the board, which we didAny help would be greatThanksWill
In this situatioin you'll eed a second transformer 110volt to 24 volt to relay from w to common to operate only when furnace being called for.
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
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