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Old 04-22-2009, 05:08 PM   #16
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TrueSteam humidifying without furnace fan on


Its a temp sensor as I recall, not a solenoid.

They may be grasping at straws.
But, as long as they are coming out.
They should be able to find the problem.

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Old 04-22-2009, 05:14 PM   #17
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TrueSteam humidifying without furnace fan on


Quote:
Originally Posted by beenthere View Post
Its a temp sensor as I recall, not a solenoid.

They may be grasping at straws.
But, as long as they are coming out.
They should be able to find the problem.
Here's where I think the explanation I posted falls apart. With only the two wires connecting the TrueSteam to my 8835 board isn't it just an open or closed contact and that is determined by the VisionPro IAQ stat or is there communication that the TrueSteam sends to the 8835 through those two wires that says "HEY, I'm ready to steam, go ahead and start the blower!!"? The TrueSteam is not wired to the furnace board in anyway.

Then one would have to question why the blower comes on right away when the tank is empty.
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Old 04-22-2009, 05:21 PM   #18
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TrueSteam humidifying without furnace fan on


Ah.

Could be a wiring issue.

You need to have a wire from the Truesteam connected to the furnace.
Or, ran back to the w8835 to turn the fan on.
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Old 05-07-2009, 08:10 AM   #19
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TrueSteam humidifying without furnace fan on


The tech came out and reviewed the wiring. He said it looked correct. Unfortunately we couldn't reproduce the cold tank/delayed fan turn on case. We had a full cold tank (~65 degrees) but the fan came on right away which is what it is supposed to do. Never the less, we took a zone damper out and monitored the output of the truesteam nozzle in the plenum. It took a little over 10 minutes to put out any significant moisture. This puts my mind at ease somewhat knowing that it's unlikely there would be any significant moisture buildup before the blower turns on. I had a model 40360 venmar control tinstalled. It interfaces with my 8835 zone board to control my air exchanger . When I get time I'll test the humidifer again, to see if my old venitlator control caused my blower fan problems, unlikely though.

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