New thermostat wifi Honeywell need 5 wires

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My first post here - forgive me if it's a little long:

Hi, I'm new to these forums. I have a pretty good idea how things work but I'm a bit puzzled by a couple of things re thermostat to furnace wiring. I just bought a new Honeywell 9580 Wifi thermostat. I have a Carrier 2 Stage furnace and I believe a single stage AC. There are no other systems or controls except a furnace mounted humidifer that has it's own controls. I'm not concerned about the AC at this point but it's relevant to the wiring of course. Anyway my old thermostat had 5 connections wired - Y, G, RC, RH, and W/OB. I'm not sure why it has separate RC/RH connections because I thought those were usually just connected with a jumper and they both are connected to R on the furnace terminal block. I pulled a new 2 conductor wire and connected C to the 24V Com on the furnace as this thermostat requires a C wire. The menu on the new thermostat asks if I want to have 1 stage or 2 stage heat. Since I only have the one wire...

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Old thermostat has the following wires:

White = W

Black = Rh

Red = Rc

Green = G

Orange = Y

I have added the C wire to the system by using a 110v - 24vac step down transformer, with the plan for the 2nd wire from the transformer going to Rh (as recommended here : http://diy.stackexchange.com/questions/ ... thermostat)

I have made connections on the Honeywell RTH8580WF for C, G, Y and W , which is fine since I have the wiring for it. The confusion for me is Honeywell has connections Rc and R (with a jumper between them). I have a Rc wire, so does my Rh wire go to "R" on the unit and I remove the jumper?
Manual and their website does not explain this and I'm on hold for over 2 hours with the heat off.

Old thermostat: http://imageshack.com/a/img924/5208/fi7Q4S.jpg
New thermostat (So far):...

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Vane S.: >To Battery or Not To Battery....Right now: Installing a new, programmable thermostat, 5 wires (RC/R, W, Y, G, C).
One: I understood blue wire goes to C. It wasn't wired in the th. I'm removing, which is not programmable.
Two: So, do I put the batteries in, or not?
Three: I don't know if I have a heat pump. We're in the hottest part of Florida. (probably not??)
Thanks for your detailed videos, gentlemen.

Numa Newbern: I have (2005 year system) 4 incoming wires coming out of wall, White, Red, Yellow, Green (They are each marked 600V), the wires appears to be made into the back (haven't attempted to take it apart), on the front side are MUCH SMALLER wires being attached to terminals marked R, W, Y, so there is NO front terminal marked with G with a wire attached to it on the front side.
It appears I need a "line voltage thermostat" is this correct??
What programmable Honeywell will work with MY system?
Is there the same mfg. that makes a...

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Honeywell 4 5 Wire Thermostat Wiring Instructions

August 16, 2012

If in the market for a new Honeywell thermostat, make sure you understand your Honeywell thermostat wiring needs before upgrading.

Q: I installed my new programmable thermostat, but it wont turn on.

A: If you plan to upgrade to a new thermostat make sure you have the proper number of wires available, otherwise your new thermostat wont work. If you do need additional wires, you will want to consider how difficult installing new wires will be for your application.

Modern electronic thermostats are no different from any other technology, in that they can do more, but can also seem complicated to install and understand. One comfort to know is the basic wiring hasnt changed much, with exception of an additional wire to get some programmable digital thermostats operating.

Note: For specific thermostat model installation manuals and wiring instructions, refer to our Thermostat...

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[reminder : These reviews are from internet – from different stores’ websites. These are not my own reviews]

Definitely better than my Nest was., December 5, 2012 (4 stars)

172 of 179 people found the following review helpful

After weeks of putting up with two flaky Nest Learning Thermostat – 2nd Generation T200577 units, I gave up on Nest and decided to give this a shot. So far, it’s been pretty decent.

Since the two are similarly-priced, and there are lots of reviews about each model, I’ll offer a comparison.

INSTALLATION:
Without question, this is harder to install than a Nest. In saying that though, some people are going to find the installation much easier than others.

First, the ecobee has a relatively large panel that needs to go “somewhere” between your furnace and thermostat. For my setup, my furnace and thermostat share different sides of the same wall. So, wiring could have been as simple as cutting the thermostat line...

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If you are installing and configuring your Lyric for the first time, your app will walk through a step-by-step guide as the final chapter of installation. This occurs after you’ve powered on your Lyric thermostat, configured the HVAC settings and connected your thermostat to your home’s Wi-Fi network.

First, you’ll want to be as close as possible to the thermostat. The geofence will be drawn around the current location of your smartphone. Lyric will temporarily turn on your phone’s GPS to determine the precise location of your thermostat.

NOTE, the GPS receiver in your phone is exclusively used during this configuration step. The geofencing feature does not require a GPS signal and won’t have a noticeable impact on your battery life.
NOTE: if your thermostat is installed in the basement or interior of your home, you may want to step toward a window to assure your phone is able to determine its location.

You’ll see a map of your neighborhood, with a blue...

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Often, the thermostat will separate from the wallplate with moderate pressure. Other times, there might be small screws holding the device in place. If you are unable to pull it off, please refer to your thermostat manufacturer's website or manual for removal instructions. NOTE: Do not place your old thermostat in the trash if it contains mercury in a sealed tube. Contact the Thermostat Recycling Corporation at http://www.thermostat-recycle.org/ or 1-800-238-8192 for information on how and where to properly and safely dispose of your old thermostat.

An extra unused wire in the wall can be used as the C wire for your new thermostat. The extra wire will also need to be connected to the C (common) terminal at the heating and cooling system. This will provide power to your new thermostat. Please refer to the video section for more information.

The jumper wire can easily be replaced connecting it to the "R" and "RC"...

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