Shipping to Hawaii, Alaska, and Canada may incur additional shipping charges. Make sure the temperature is set lower than the Inside temperature reading. Then check the settings below and change if needed: Set time and day required for proper operation. A typical forced air system will cycle about five times in an hour, this is normal. Installing a New Thermostat Note: Follow all the instructions that were included with your thermostat. I hooked up my new today and it was surprisingly easy. Notes to the table above only 2 wires found in-use at the wall thermostat Honeywell thermostat T87F type models include the Super Tradeline T87F1959 replaces the T26A1433 and T87C1252 , T87F1867, T87F2816, T87F2824, T87F2873 These thermostat T87F models vary by the operating temperature range they support and a few other simple features such as the presence or absence of a thermometer.
This means that a thermostat upgrade was in my future. They have some cool wizards there but this model is not included. Each Honeywell thermostat model has a unique number that can help you get support for your product faster and easier. Compatible with most system types this system is specially designed for easy installation and effortless efficiency. Please note the there is high voltage electric in each piece of equipment so if you decide to open up panels, there is always the risk of damaging the equipment or worse, injury or death if you are not a qualified service technician.
. This does not mean your furnace will come on. I flipped it from auto to on a couple of times. You mentioned 7 wires but 8 conductors is more likely so I'm assuming the remaining colors are black, brown, blue, and orange. Good Luck and let me know if I can help any further.
This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer. For a very inexpensive thermostat, this works quite nicely. No issues, super easy and fast to install. Rated 5 out of 5 by Lloyd from This replaced a Honeywell thermostat using 2 wires that controlled one zone of a hot water system. To change, see page 7 Select fan setting: Preset to Auto. Honeywell offers thermostats for both low voltage 24 volts and line voltage 120 or 240 volts systems.
Three of them are to connect the cover to the back and the other two are mounting screws. However, the cover is the middle plastic piece surrounding the screen. You may want to double check that. Thermostats you find at the retail store will indicate on their packaging whether or not it will work with these type of systems. Opening the back of the thermostat showed the area that I'd be working with at the bottom outer corners. .
You will need to snap the thermostat into the mounting plate to test it. Damage can occur if the compressor is restarted too soon after shutdown. We also provide a to this topic, or you can try the page top or bottom as a quick way to find information you need. Our old thermostat went out when our furnace was to be serviced. I have a boiler with a hydronic zone valve that controls two zones. The misfiring thermostat relay caused a weird error with our 2 year old furnace that required a motherboard reset - didn't even know that was possible. The question became where to put this switch.
Step 9: Install the mounting plate on the wall. The On position will turn the fan on to run continuously, regardless whether heating or cooling system is turned on by the thermostat or not. Wrap bare end of wire with electrical tape. Do these units take time to sync, or anything? The best way is to write down how the old t-stat was wired. Step 9a: Unsnap the thermostat from the mounting plate. You can also check this list of our to find your model number.
Do this for the Red, White and Yellow wires. Installation went fine, and it seems to work. But this thermostat can handle much more complicated system. Only the clock and the day must be set after you replace the batteries. My only suggestion would be to make sure that you have the smallest Phillips screwdrivers possible because some of the screws are quite small. Regardless of the voltage, Honeywell strongly suggests that you turn off the power to the system at the furnace, at the fuse, or at the circuit breaker panel before installing or replacing a thermostat. In the case of a three-wire connection, the thermostat will control either a heating or cooling system--not both.
If this message is in the display, the thermostat is asking for the heat to be on and there is a likely a problem outside of the thermostat preventing the cooling from running. Heat Off Cool Auto On Heat Off Cool Auto On. This thermostat intrigued me, because of its simplicity. The better models get their power from the wires on the wall. Powers the heat relay Yellow wire to Y. Recomendamos estas configuraciones debido a que reducen los gastos de calefacción y refrigeración hasta en un 33%.
I would have expected it to be in a higher price range. Only needed to use 2 wires. Box 53138 10 Royal Orchard Blvd. I had the same issue where with a 2 wire system it would just run and run. All hooked up and working fine. People mention in other reviews that the cover doesn't have a hinge. You can replace your own thermostat with a little help.