Question about Honeywell Programmable Thermostat Heater

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Seco thermostat model # tb1540e-g to a Honeywell RTH221B1000

I see on the Seco there are 5 Terminals as follows:
R which has a red wire to it
W Which has a White Wire to it and a Red That Jumpers to The Terminal Label F Below
Y Has a Blue Wire to it
F Has the Jumper running to W
G Has a Green Wire To it.

On the Honeywell There are 5 Terminal

Y
G
Rh
Rc
W

I am not sure which wire should go where any help would be appriciated. I am disabled and can't afford to get somebody to do it. I figured I could handle it but of course wires aren't right colors.

Thanks So Much

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  • willgolf4fun Sep 12, 2009

    Yes it is all electric. No Heat Pump either. Also the TerminalI see labeled as a F could be E as the wire could be covering it a little.

  • willgolf4fun Sep 15, 2009

    A very nice Heating and Air Conditioning Man I talked to gave me the solution to my problem.without a charge.



    It was for my wiring since the Y wire is Blue the wiring is as follows and it took about 10 minutes, Besure to shut of the power to the Furnance Breaker and verify no 24V to thermostat.



    Blue to Y

    Red to Rc and jumper if not already installed to Rh(Mine already had it installed.

    White to W

    Green to G



    Then program the unit with the instructions and it is working great.



    Hope this helps other.

  • Richard Johnson PE
    Richard Johnson PE May 11, 2010

    Your furnace is electric heat?

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  • 252 Answers

Red to Rh AND Rc, white to W, blue to Y, green to G,

Posted on Oct 04, 2009

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