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I have a Honeywell T8000C1002 thermostat I got from my inlaws and it doesn't have the owners manual. I'm trying to hook it up to where an old rocker murcery honeywell was at and can't figure out how to add the power supply. It has a G Rc, W, R, Y, B, O, hook up and I only have the G, W, R, Y from the old honeywell hooked up and can get a display with that but if I try to turn any thing on it loses power. Thanks for any input. Jared

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Your red wire from the old R terminal goes to both the R and Rc terminal on the new stat. Other wires from old stat move to same terminal on new stat. You will not have any connections to the B or O terminal. Sounds like you probably already have it hooked up right though. This thermostat is what we call a power-stealing thermostat. It "steals" is power by running a trickle current to the transformer from the R terminal back through the W terminal. This meathod requires a standard resistive type thermal relay for the heating system. If you have an electronic type circuit board, many times they do not provide the proper type of connection for the thermostat to "steal" the necessary amount of power to run on. This is solved by installing a resistor from W to C in the furnace. If you have a standard electric furnace with thermal relays, then the problem is most likly the thermostat

Posted on Jun 23, 2008

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The direct link is http://www.honeywell-thermostat.com/manuals/1F82-0261Manual.pdf . The operation section starts on page 6. A second site with the manual is http://www.emersonclimate.com/Documents/White-Rodgers/instruction_sheets/0037-7022.pdf .

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This site has owners manuals for different types of thermostats. http://yourhome.honeywell.com/home/Products/Thermostats/7-Day-Programmable/VisionPRO+8000.htm
This site is the manual for the "VisionPro 8000". You can look up what you need, copy or download. http://customer.honeywell.com/techlit/pdf/PackedLit/69-1894EFS.pdf Roger

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I need to hook up a thermostat honeywell


HONEYWELL WEBSITE:
Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can't find what you want, the bottom left and bottom of web
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Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
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Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can't find what you want, the bottom left and bottom of web
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Hi,
maybe a blown fuse if it has one... if not then you blew the transformer...
Check on the circuit board in the furnace or air handler for a fuse...
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heatman101

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http://customer.honeywell.com/honeywell/ProductInfo.aspx/TH5110D1006

Click on the Link Above. At the bottom of the page is the Downloadable "Instruction Manual" for your Thermostat.

Hope i Helped
Please Rate Me
George

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