Install the Honeywell Lyric Thermostat like a pro

I noticed a problem right away with trying to maintain a comfortable temperature in the rig. It seemed like there were large swings in temperature between the furnace or the AC on and off cycles. Also with the analog type slider knob it was hard to precisely adjust the temperature. I did a little research on the web and found many people had upgraded to a digital type thermostat and were happy with the results. Most of the articles recommended using the Hunter brand Model B, as it was capable of controlling the cooling and heating, plus the fan function. I was able to find one in a local hardware store. They are available here at Amazon as well. Mounting the unit is no problem, just take off the OEM thermostat and use the existing hole and wires.


These thermostats, whichever type of thermostat or thermostats you have, require little maintenance. Often, I find that the only thing people know about their AC and Heating systems is how to turn the thermostat on and off. And change the temperature setting. The purpose of this site is to help people go beyond the thermostat.

To learn more about their system as a whole. And not just a dial on the wall that adjusts the temperature when they are not comfortable.

How to Wire a Thermostat. Your thermostat or programmable thermostat is an integral part of your comfort system. These thermostats, whichever type of thermostat or .

The first thermostat built to listen and learn from your voice – interact with your thermostat using simple voice commands. Advanced ‘far-field’ voice-control technology that breaks through the ambient noise of a busy household and recognizes voice commands. Change the temperature of your home by just speaking commands to the thermostat. Smart Wifi technology allows you to control thermostat settings from anywhere via phone, tablet or computer. Fully flexible programming options that adjust temperatures to fit your daily life.

Customizable user-friendly touchscreen that is in full color, bright and easy to read. Locking touch screen with password protection. Up to date weather reporting lets you view local weather and 5-day forecasts. Features a reliable and secure network that ensures you always have access to your thermostat. Automatically determines if your home needs heating or cooling to provide maximum comfort.

Humidity readout allows you to view indoor and outdoor relative humidity levels. This unit features an E-prompt Chip with a small battery and real time clock that will save your settings even if power is lost to the thermostat. Requires the usage of a C Wire to operate The revolutionary Voice Controlled Honeywell Wi-Fi Smart Thermostat is the first thermostat built to listen to your voice and learn new commands based on how you interact with the thermostat.

how to connect thermostat wires to ac unit

These thermostats, whichever type of thermostat or thermostats you have, require little maintenance. Often, I find that the only thing people know about their AC and Heating systems is how to turn the thermostat on and off. And change the temperature setting. The purpose of this site is to help people go beyond the thermostat.

No I just thought someone would know which wires I needed to connect and had done this before so I would avoid connecting the wrong wires. The last time I tried to hook it up .

If anything is is going bad such as a capacitor, contactor, etc. Just does not seem justified to me. Now, with some of the newer equipment, you may have more than one compressor. What if they disabled it because the fan was noisy but your running it before it could be cleaned caused it to die before the tech could clean it? What if the filter was missing and you sucked a bunch of crap into the A coil and HX?

FYI, I’ve seen t’stats pulled because the homeowner was scared to touch the distrbution panel breakers or physically could not get there so they pulled the stat. You would be hard pressed to show a way that anything other than the transformer could be damaged by jumpering the low voltage wiring. You can’t “fry” the control board even if you tied all of the wires together.

Thermostat Wiring Colors Code | HVAC Control

What you will learn in Thermostat Wiring Colors Code article: What thermostat wire color is likely to go to which terminal on the thermostat. Basic electrical safety and standards for wiring color The function of each wire terminal on the average thermostat. Additionally highlighting some of the differences in those functions from manufacturer to manufacturer. Wire is available here.

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Thermostat Wire Connections Electrical Question: I am wiring a thermostat, How do I know which wires to connect to the terminals? I am purchasing a home which I noticed the thermostat is missing and the wiring is there but no thermostat. I have replaced the one in my current home and used the old thermostat wiring set up to do the new one and it works fine.

The thermostat which I am wanting to install is a Honeywell programmable. My question is how do I know which wires go to what terminals since the instructions say do not worry about the colors, use the old one to set up the new one, but there is no old thermostat there. This electrical question came from: Sid, a Homeowner from St Lucie, Florida. Your website has great articles for the homeowner and the novice.

How to Replace a Thermostat

Super Thermostat I have two heat pumps to heat and cool my house. The house layout is such that there is no path from one part of the house to another for a big old air duct and two of them offer redundancy in case of failure. I have really nice programmable thermostats on the systems that can shut them off during the peak period but there are still a few things that would be nice to have.

Before removing wires from old thermostat, mark wires for terminal identification so the proper connections will be made to the new thermostat. Installing New Thermostat 1. Pull the thermostat body off the thermostat base. Carefully line the thermostat up .

Learning how to wire your heater thermostat to your furnace will help you save on professional electrician charges. If you are careful and follow the instructions, you can save a great deal of money by wiring yourself. Step 1 — Electric Off Always turn off the electrical power to the home thermostat at the power panel or circuit breaker box. Step 2 — Disconnect Wiring Remove the electric power supply wiring from the back of the thermostat.

Be careful not to allow the wires to fall back into the wall. If the wires are not color coded to the new thermostat, mark each one noting which terminal to which they were attached. Remove the mounting plate. The wires for connection to the furnace are coded as follows: W This is the main wire that connects to the furnace whether the heating source is a gas, oil or electric furnace.

To replace the white power wire from the heater thermostat to the furnace, wrap the new one intertwining it with the end of the old one that you have disconnected from the screw terminal on the thermostat, Secure the two together. At the other end of the new white wire, wrap it around a pencil to prevent the wire from falling into the wall.

At the furnace end, disconnect the old white wire and carefully pull it through the wall until the new wire emerges attached to the old.

Hunter 42999B Digital RV Thermostat Install

STEP 1 Turn off the power to the furnace by turning off the breaker in the circuit breaker panel. STEP 2 Remove the existing wall thermostat by gently pulling it off until it unsnaps from the wall plate. You may need to remove a few screws before it will pull off the wall plate.

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It can also be pretty simple given that you have the right tools. But before reading this and following through, make sure that you view our disclaimer as we are not going to be held responsible if you damage your equipment or injure yourself. If you still feel like you have enough common sense to follow this guide and install a thermostat yourself and save money, then read on… Determine What Type of System You Have First The following thermostat replacement tutorial is covering a split system, single stage compressor, using a 1F White Rogers digital thermostat.

DIY Thermostat Replacement Tools Needed for Easy Replacement — Small flat head screwdriver, needle nose pliers, wire strippers, volt meter, drill with Phillips head drill bit, drywall anchors. Removing the Old Thermostat First thing you want to do is turn the power off to the air handler or furnace. Then you are going to remove the cover from the old thermostat. Usually this is done by pulling from the top of the thermostat in the middle, towards you and the cover should pop right off.

With your small flat head screwdriver loosen all of the set screws from the wires and using you needle nose pliers, remove the wires from the set screws. Unmount the screws securing the old thermostat and then you should be able to pull the thermostat off of the wall. Installing the New Thermostat Pop the cover off of the new thermostat, note that some T-stats have a small set screw that you will have to loosen to get the cover off, but this should be covered in the installation instructions.

The I will usually get a pen and a torpedo level and get an idea of where I am going to mount the thermostat. Once I got it flush against the wall with the wires through the hole I will make two marks with my pen. Pull the thermostat back from the wall and insert your drywall anchors. Now just put the thermostat flush against the wall pulling the wires through the middle and mount the thermostat with the screws provided.

Installing Common Wire for Wifi Thermostat