morpheus6d9
join:2003-11-18
Jersey City, NJ | 2nd thermostat
how hard is it to add an additional thermostat ?
thanks |
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shezams
My Other Car Is A Zamboni
Premium
join:2001-08-14
Hyattsville, MD
 ·Comcast
| We need more information. If you are looking to control a single furnace with two thermostats the big issue is what you can control separately to be able to use two thermostats. What are you trying to do?
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Simple rules - no offsides, no intent to maim, everything else is all good! |
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cowboyro
join:2000-10-11
Shelton, CT | reply to morpheus6d9
In general you can't add a second thermostat and expect BOTH to run as intended. Maybe you're thinking about a zone??? |
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Warzau
Premium
join:2000-10-26
Naperville, IL
clubs:
| Correct but I assume he wants zone control
it will cost him
»www.alpinehomeair.com/viewproduc···53059932
but it's pretty cool. |
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keyboard5684
join:2001-08-01
Youngsville, PA
 ·Teliax VOIP
 ·WestPAnet Inc.
·WestPAnet Inc. CA..
| reply to morpheus6d9
I am interested in adding a second thermostat. I have central air and heat. Brand new with the 5 wire type of thermostat.
I am looking to add a second for a few reasons. One, to turn the blower on/fan on at night time. I do not want it to run all the time but would like a timer to kick it on at certain hours to circulate air.
Second would be for say the second floor. Basically one would overtake the other. If one switches on the heat then it overtakes the one that is just running the blower.
I have had trouble with this one because I am not sure if they must run in series or combined. Combined, it does not work... the blower just runs or the AC compressor will just kick on. |
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jester121
Premium
join:2003-08-09
Lake Zurich, IL
 ·surpasshosting
·ViaTalk
| said by keyboard5684  :I have had trouble with this one because I am not sure if they must run in series or combined. Combined, it does not work... the blower just runs or the AC compressor will just kick on. So, what, you just decided to experiment and wired in a second thermostat to see what would happen??????? |
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keyboard5684
join:2001-08-01
Youngsville, PA
·Teliax VOIP
·WestPAnet Inc.
·WestPAnet Inc. CA..
| I read the circuit diagram, etc. My only try was to get the blower to kick on when I wanted to based on a timer.
It is my $8,000 unit, I can do what I want 
But it was more a researched experiment.
Did you have an answer? Do you know how to do it? |
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cowboyro
join:2000-10-11
Shelton, CT | reply to morpheus6d9
This one will do it: »www.amazon.com/gp/product/B001KWG61E
I have it, you can program the fan settings auto/on for each of the 4 daily schedules (wake, leave, return, sleep). |
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keyboard5684
join:2001-08-01
Youngsville, PA
·Teliax VOIP
·WestPAnet Inc.
·WestPAnet Inc. CA..
| reply to cowboyro
Re: 2nd thermostat
Really? I did not see any mention of programming the fan to go by schedules. If you have one though.
It would be perfect.
Like I said, I just want to get the fan to kick on at certain time to circulate air. Different times in the summer than winter.
All the ones I have seen you cannot program the fan, just the temp and if it is heat or AC. |
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Warzau
Premium
join:2000-10-26
Naperville, IL
clubs:
| Haven't researched enough the Honeywell »www.alpinehomeair.com/viewproduc···53055717
lets you circulate the air randomly at the times you want. |
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themagicone
join:2003-08-13
Minneapolis, MN
1 edit | reply to morpheus6d9
All you need is some 24vlt ac diodes and some resistors... Get a timer that is 24vlt ac (outdoor light come to mind), install a wire to the same wire that turns on your fan and put 1 diode before the first thermostat and another before your timer. They won't back feed to each other that way. You'll need to properly research how to install diodes on ac line first otherwise you can cause some serious damage. |
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Msradell
join:2008-12-25
Louisville, KY
| reply to Warzau
I have one of those and it works wonderfully. The front of my house gets a lot of sun so I have the sun run continuously during that time period to circulate that air. The heat or air then cycles as needed. |
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Warzau
Premium
join:2000-10-26
Naperville, IL
clubs: | I do that as well. The Southern Exposure gets alot of sun and I have the Themo set low and the system on circ during mid day then at night have it on auto and back to "reg" temps. |
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fcisler
Premium
join:2004-06-14
Riverhead, NY | reply to themagicone
uhhh....you do know that a diode is useless with AC unless you are making a rectifier? By it's nature AC is alternating current.
Please don't follow this advice.... |
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