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I am trying to wire a Honeywell RTH7000 from a SECO TA200 and need the pinout from the SECO to the Honeywell. Where do I find the pinout?

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Just search in the website

Posted on Jun 21, 2008

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RTH7000 thermostat won't maintain the heat I've


if the thermostat is wired correctly, your problem is likely in your furnace.

My first guess would be a faulty limit switch, but without seeing your furnace, it would be hard to say.

Have a qualified service person look it over... It would likely be a good time to have it cleaned and tuned also (once per year is best, or every other year reduces your chances having problems)

Jan 03, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

I am changing from a Seco control thermostat model # tb1540e-g to


Rc/Rh should be from the transformer if a single transformer system. If its'a dual transformer system, then there should be a red wire to each from it's respective unit (furnace=Rh, condensor=Rc.).
W should be heat.
Y Should be cooling.
G should be fan.
I am not certain what E is, unless the stat can be used on a heat pump with backup electric heat, in which case it's for the electric heat.

The reason I say should be, is because if you are looking at wire colors, and not terminal designations, there is no guarantee the control wiring was connected following normal convention.

Reply back of any further questions.

Feb 03, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Upgrading Thermostat


Looks like your system is a heatpump system and that t-stat will not run a heatpump , you need a t-stat for 2heat and 1 cool systems

Jan 30, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Changing out old thermostat


your old thermostat is a milivolt and the wire runs from the heater to the thermostat. You have to open the back of the new one and connect the wire as per the instructions on the wireing diagram that came with the new one. I just installed a similar one myself, you will be very happy with it.

Jan 24, 2009 | Honeywell Electronic Programmable...

1 Answer

I had an old thermostat that i had to change need wiring diagram


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

Dec 20, 2008 | Honeywell Electronic Programmable...

2 Answers

I had an old thermostat that i had to change need wiring diagram


both thermostatats will have terminal designators R,W,Y,G, possibly O/B, C, W1,W2, Y1, Y2, etc.
Simplest method is to remove wires from old stat one at a time. mark where they came from and then install at same desinated terminal on the new t-stat. Hope this helps. be sure to shut off power supply to the unit (furnace) first. The wire coming to the R (RH,RC) terminal is the 24 volt a/c hot, all others are feeding back to perform given function.

Dec 20, 2008 | Honeywell Programmable Thermostat Heater

1 Answer

Installing Honeywell RTH7000 - I have too many wires!


check to see if the B terminal is on the new t-stat if connect to it , but this terminal refers to heat pumps and is normally use to energize the reversing valve on the outside unit and not used on ac units , but normally the tag O/B is the same terminal on therostats

Oct 26, 2008 | Honeywell Programmable Thermostat Heater

1 Answer

I have a gas fired furnace with only two wires comming from the furnace and i bought a new honeywell rth7000 thermostat and it does not give me a wiring diagram for two wires


which colors are they? one should be from the igniter that goes to W on the thermostat and the other goes to Rc just make sure that the one from the igniter goes to W

email me if you need additional help hvac.tech7872pr@gmail.com

here's some additional instructions if you need them:

http://customer.honeywell.com/techlit/pdf/PackedLit/69-2104ES.pdf

May 04, 2008 | Heating & Cooling

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