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Posted by Noon-Air on October 17, 2006, 10:09 am
>> What tells your air-to-air x-changer to turn on? Maybe that's what needs
>> to
>> be controlled? But how?
>
> The HRV ventilator runs constantly and is not electrically connected to
> the furnace or thermostat in any way. I just set it to run "normal"
> (50cfm) or "Boost" (100cfm) or "recirculation".
>
> No Carrier experts here? In the manual they mentioned a 5sec delay for
> heat pumps (compared to the 66sec for NG)... what is the difference
> between the two boards? Maybe I can reproduce that same
> difference....?
>
> I have to say that Carrier themselves are perhaps the most unhelpful
> company around... when I found a number (took quite some time), the
> only respose I got was "call your local installer"... well, too bad
> that guy doesn't have a clue either.. he doesn't make them; he just
> installs them... duh..
Told you before....
1) Call a *competent* tech
2) If you just have to DIY, then talk to some controls folks (Honeywell)
3) You have to be smarter than the piece of equipment you are working with.
After you have re-designed your furnace, don't forget to have it
re-certified by UL, GAMA, and have it inspected by your local code
enforcement authority, then make sure that your insurance is paid current.
I don't care what kind of degree you have... or what kind of experience you
have... but fosile fuel burning appliances are not something that you really
need to be playing with *UNLESS* you have the training, education,
certifiications, licenses, and experience to do so.
That being said, its an easy fix, and no its not going to be free.
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