I hear ya. "It's been that way for years. There is nothing wrong with it. You lie, get out my house"
The sad part is most customers don't even realize it. The system can operate that way for years before it cracks the heat exchanger, especially on systems that don't do a "lockdown" when it hits limit.
I hear ya. "It's been that way for years. There is nothing wrong with it. You lie, get out my house"
Im glad I switched to commercial. Airflow seems to be better on this side.
The way the IAQ works is it has 3 wires going to the thermostat from the EIM (interface module mounted near the furnace). The EIM is then wired to the furnace as most thermostats would be. It's a great thermostat and can be set up to control dehumidification in the summer. I agree with the suggestion to look into having one installed.
Depends on the landlord/building you work on. I've seen some junk out there in commercial. Granted, it does seem more common in residential. We do 80% residential, and most of our commercial jobs are businesses that have 4 units or less. I certainly am NOT fond of working on rooftop units during freezing weather, but then again package units aren't much more fun.
the answer to your question is yes, but....
IF your thermostat has a W2 then it is best to use it in most cases.
IF your thermostat does not have a W2, most furnaces can control the second stage by the board in it.
IF you use a more advanced thermostat, like the IAQ or others, the portion the home owner interacts with needs only 2 to 4 wires. HOWEVER, there is a remote module that has all the necessary terminals and it usually gets mounted near the furnace.
The Food Stamp Program, administered by the U.S. Department of Agriculture, is proud to be distributing the greatest amount of free meals and stamps EVER.
Meanwhile, the National Park Service, administered by the U.S. Department of the Interior, asks us to "Please Do Not Feed the Animals". Their stated reason for this policy "... the animals become dependent on handouts and will not learn to take care of themselves."
from an excerpt by Paul Jacob in Sun City, AZ
One last quick question... What's your opinion on the Prestige IAQ Thermostat? I'm trying to decide between the Vision Pro IAQ and the Prestige IAQ.
Here's another thread that may help:
http://hvac-talk.com/vbb/showthread....Vision-Pro-IAQ
That thread was very helpful. Thanks! I will be going with the Prestige 2.0 IAQ over the Vision Pro IAQ. I like how the Prestige 2.0 can connect to the Internet which means I can adjust the temperature on my iphone as well as on the computer. This is something that the Vision Pro IAQ does not have. Thanks again! I appreciate it!
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Last edited by beenthere; 11-29-2012 at 05:43 PM. Reason: Non Pro * Member
CHAINIK, , this is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.
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