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Your video,"How to install the Honeywell WiFi connected thermostat" will start after this message from our sponsors. I"ll assume that you"ve already gone through your circuit breaker and turned off your AC and that you"ve removed your old thermostat. So these are the wires I have behind my old thermostat. The thing about this Honeywell Thermostat is that it needs a C wire to operate optimally. I don"t have a C wire so that"s a bit of a problem for me. There are some workarounds that you can use if you have access to your HVAC unit, but unfortunately my HVAC unit is really old and doesn"t actually have a terminal port.

Can you wire two furnaces to one thermostat

Index Home About Blog From: John De Armond Subject: Adding wall thermostat to roof air Date: Fri, 23 Jun Funny, you read my mind. This is the project I have underway right now as I come in for a Gatorade break.

Our new house has an older furnace that"s hooked up to a standard 5/2 programmable thermostat on one wall, and a swamp (evaporative) cooler controlled by a six-position manual dial on a different wall upstairs (directly under the vent for the cooler).

There are two different smart thermostats that Ecobee sells; the Ecobee4 and the Ecobee3 Lite. This guide uses an Ecobee3, but the installation and setup process should be identical throughout. Also note that it may be against the law, code, or regulations to do this without a permit, or it might void your insurance or warranty.

Check your local regulations before continuing. Will the Ecobee Work in My House? You can also look on the thermostat itself to see how many volts it is. A typical high-voltage thermostat with black and red wires. A typical low-voltage thermostat, with multiple small wires in different colors. This would likely require a professional to install.

Heat Pump Thermostat

This leaves me with the following questions Does the currently wired configuration support automatic two-stage operations for Heat? Does the currently wired configuration support automatic two-stage operations for AC? Does the stage delay timer apply to AC or only heating?

Oct 09,  · I"m sure he"ll be able to hook it up but it bugs me that I can"t figure out those diagrams and get it done. I"m bound to learn something in the process of hooking it up myself.

Carl Spiller Dec 24, where is the c on the control board.. Which picture is it in? Robert Dec 24, Do you see where the thermostat wires attach to the board? There should be a terminal labeled C. Do you see where the thermostat wires attach to the board? Carl Spiller Dec 24, i had a two wire hook up before, it appears that they both went to a switch. Could you take a pic of the switch the wires attach to?

I looked up the manual for the Furnace and it show a C terminal atbthe bottum of the board. Carl Spiller Dec 29, It might be a few days before i can get a picture of the switch, i do have some other pics i got from someone else of the same furnace. It might be a few days before i can get a picture of the switch, i do have some other pics i got from someone else of the same furnace.

Carl Spiller Jan 06, The picture will be up today. The picture will be up today. Carl Spiller Jan 06, furnace photos Carl Spiller Jan 06, to see better pics go to my photobucket http: So that blue wire that looks disconnected would have to be connected to the secondary side of the transformer and to the C terminal on the thermostat.

How To Wire Your Gas Furnace To A Generator

Everything worked fine until the following night when the heat wouldn"t shut off. The temperature reached about 80 degrees, so I turned it off on the fusebox. Never had a problem with it until I moved the thermostat. Any ideas would be appreciated!

Heat only 2-wire boiler/furnace installations for ecobee thermostats My furnace won’t turn on! How can I troubleshoot? My ecobee thermostat won’t turn on. How can I troubleshoot? How do I set up Alexa on my ecobee4? To start talking to Alexa, you’ll need to link your account.

How to Wire A Floor Heating Thermostat Here, our flooring expert Scott Rosenbaum runs through the process of wiring and installing a thermostat with your radiant floor heating. Learn how you can install the TTH series thermostat as part of your infloor heating system. If you ever have any questions when installing your radiant heating system, contact an expert at WarmlyYours. If we turn it around and take a look at the back you can see there are four wires, two reds and two blacks.

The top wire and the bottom wire are the line supplies coming from your circuit breaker box. If this were a system this would be your neutral and this would be your line. If it"s a this would be hot and this would be hot.

How to Install an ecobee3 Smart Thermostat

When I removed the wires from the new thermostat, the HP kicked on. First lets get the HP and Furnace to operate correctly. Do you have a wiring diagram for your equipment?

Nov 27,  · You do this prior to adding Thermostat number 2 then once you have your indoor furnace up and going with your new thermostat you are ready to proceed to the easy part, wiring up the 2nd thermostat to control the fan when running the OWB. Find the two wires that are connected when you sellect Fan On.

Below we will describe to you how to hook up a digital thermostat, hook up a programmable thermostat, or hook up any type for that matter. Whether the old thermostat is bad or not if you simply want to replace your old one and hook up a new one the first thing you need to take into consideration is to select the right replacement thermostat. To select the correct replacement you need to know what kind of HVAC equipment you have in your home or where you want to hook up the new thermostat.

There are numerous types of air conditioner and heating combinations so in this article, we will cover a basic gas furnace and air conditioner split system HVAC system. Thermostat Wiring Colors Code - Learn More about the Thermostat Installation opens in a new window How to Hook Up a Home Thermostat If you do not know what kind of unit you have to take a look at the paperwork from the last time the unit was serviced.

Perhaps it will show the type of equipment on the service ticket where the unit had maintenance. It is assumed that most people will know what kind of unit they have so that they can select the proper thermostat. It is best to place the thermostat in the same location as the old thermostat. Moving the thermostat to a new location is not recommended unless you hire an HVAC professional to relocate the thermostat first.

Thermostats need to be located in a strategic area of the home to be effective and work properly. Besides, you would have to pull new thermostat wire through the wall to relocate the thermostat and that is a big job for anyone.

Outdoor Wood Furnace

As soon as I convinced my wife it was worth the investment, I went straight to Amazon Prime. When it started having trouble connecting it to my wifi, I realized my common wire does not have enough voltage to power the Nest! Most modern thermostats require what is known as a c wire. What is a C wire? The c wire provides 24vac power source. The old mercury thermostats did not require any power.

Aux – This thermostat terminal is for back-up on a heat pump and allows for auxiliary heating from the back-up heat source usually located in the air handler.

I am in need of some assistance with an Ecobee Smart Si thermostat hook up. I currently have a non-programmable electronic thermostat that I plan on removing but I have a couple of questions about the furnace side of the connections. I know I need to get access to a Common wire and this might mean that I need to run a new wire.

I am inspecting the current layout but I am not quite understanding it yet. Here are some pics and a video to my current setup. It is an old oil furnace with an AC unit that was added on some time later. I can run my system in fan only, so the wiring is spliced in for that already. Pics and video really show more. My issue ultimately is that I need to get another wire as a common to hook up my Ecobee with. Right now the RH is coming down directly into one of the"T" connections on the ignitor, the RC comes down and is tied into a wire that leads to a transformer"s R terminal I am assuming this is the furnace"s transformer.

The Y wire comes to wire that runs out to the AC unit outside.

How to replace furnace thermostat - yellow wire is blue