Originally Posted by
kazko
Hey Folks. I am looking for some Harmony zone controller experience. To sum up a long story, I need to get the Harmony working with a nice dual stage Lennox condenser but a three speed blower in the air handler, not variable. Will essentially be using an older air handler where cooling currently uses fixed high speed, heating uses med speed and low is unused. I know that the Harmony uses a voltage control to tell the air handler where to set the blower, but there must be a way to operate two or three speed blower based on demand level from the Harmony.
So to reiterate into a question, can the Harmony be configured to operate a two or three speed blower?
Your Frankenmonster will give you nothing but problems....
The 2 speed or dual speen condenser is designed with a varible speed air hanler, not multi speed.
And the harmony works with variable speed blowers, not multi speed. Wont work, your ideas are far fetched.
Get the system installed properly by a contractor. A contractor that will install matching components.
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If you don't know, then don't do. If you don't know and still do, then be prepared to pay someone else a lot to undo what you did and then do it right.
If you do know, then do. But do it right. Otherwise, you may not be doing it long.