Thermostat Wiring Blue Wire - Thermostat Wiring Color Code Decoded And Explained Youtube : Thermostat wiring orange and blue wires.. Researching the wires, i've read that commonly w2 is suppose to be white and blue wire is usually c (common); Some hvac systems may not come equipped with a c wire by default and some thermostats just don't work without the blue wire! Click to see full answer. • if there's an orange wire in the connector labeled both w and o/b, then you likely have a heat pump. So now i'm concerned if this old thermostat was not wired properly?
You may also have up to two black wires as well but these are used for various heating systems in the north or for outdoor purposes, so for most of you these won't need any attention. This depends greatly on who installed it as well as who manufactured your heating pump. Active 1 year, 5 months ago. Or if my wire colors are just uncommon. If you have separate wires for o and b, you will want to tape off the b wire so it can't make contact, and the o wire will be connected to the o/b terminal on your thermostat.
How Do I Hook Up A New 5 Wire Cable To An Existing 4 Wire Furnace Home Improvement Stack Exchange from i.stack.imgur.com This article explains just what wire at a room thermostat actually controls. If it is not connected, then you can use it for c wire (power to thermostat) and y terminal for a/c (some higher end a/c has two stage y1 and y2). This depends greatly on who installed it as well as who manufactured your heating pump. You may also have up to two black wires as well but these are used for various heating systems in the north or for outdoor purposes, so for most of you these won't need any attention. Not only does this allow you to control temperature readily, but the device is also able to understand your pattern. Blue wire finally, we have the blue wire, which should be marked as c. c stands for common here and it also happens to be one of the most common causes for confusion during the wiring. Sophisticated gadgets and gadgets even come to improve your home using technology, among which can be nest thermostat. This wire may be red without an h attached, in some cases.
Or if my wire colors are just uncommon.
Use the thermostat compatibility checker to see if an ecobee thermostat will work with your system. Knowing what each thermostat wire does can help in wiring up a new or replacement room thermostat. You may want to take a look behind your current thermostat bracket to see if there are any additional wires. It is better to take a good up close photo of the old thermostat and what terminals the colored wiring are terminated. Put this wire in the nest thermostat's * o/b connector. Click to see full answer. It's there to provide power to the thermostat. On the back of the thermostat are a number of labeled contacts, only the following have wires connecting them: Normally, green color wire is connected to fan on/off/auto. Ask question asked 1 year, 5 months ago. • if there's an orange wire in the connector labeled both w and o/b, then you likely have a heat pump. All i did was connect the unused blue wire from the thermostat control wire bundle to the blue bundle at the 24v transformer (be aware, there is another similar looking wire bundle next to the thermostat control wire bundle, but only 2 wires are used, black and white. It's there to provide power to the thermostat.
Where does the blue wire go on the The rh wire connects to the heating system. If it is not connected, then you can use it for c wire (power to thermostat) and y terminal for a/c (some higher end a/c has two stage y1 and y2). Modern thermostats are a different story. Normally, green color wire is connected to fan on/off/auto.
Hvac Problem Solver from www.hvacproblemsolver.com Where does the blue wire go on the Click to see full answer. And that w2 is used in 2 stage heating systems. If your o or b terminal shares a label with another wire, typically w, you'll need to identify whether you have a heat pump system or not. If this is the case, you should check with your specific manufacturer's instructions before you continue. If you have separate wires for o and b, you will want to tape off the b wire so it can't make contact, and the o wire will be connected to the o/b terminal on your thermostat. I am changing thermostat but i see that i have both an orange and a blue wire in use coming from the zone board. Shows steps for replacement of mercury thermostat with new programmable, explaining the yellow and blue wires are the same.
Researching the wires, i've read that commonly w2 is suppose to be white and blue wire is usually c (common);
• common or c wires are generally blue. Wiring tips wire colors can vary, but: There are several ways to identify your thermostat wires: The rc wire connects to the cooling system. It's there to provide power to the thermostat. Shows steps for replacement of mercury thermostat with new programmable, explaining the yellow and blue wires are the same. If your o or b terminal shares a label with another wire, typically w, you'll need to identify whether you have a heat pump system or not. If you have separate wires for o and b, you will want to tape off the b wire so it can't make contact, and the o wire will be connected to the o/b terminal on your thermostat. Here are the wires in 4 wire thermostats with terminal codes and color codes: Take a picture of your current thermostat's wiring. Active 1 year, 5 months ago. And that w2 is used in 2 stage heating systems. The blue wire on the thermostat is the common or c wire.
It is better to take a good up close photo of the old thermostat and what terminals the colored wiring are terminated. The rc wire connects to the cooling system. Warning with the c wire • if there's an orange wire in the connector labeled both w and o/b, then you likely have a heat pump. The rh wire connects to the heating system.
4 Wire Thermostat Wiring Color Code Onehoursmarthome Com from images.squarespace-cdn.com You may also have up to two black wires as well but these are used for various heating systems in the north or for outdoor purposes, so for most of you these won't need any attention. This wire may be red without an h attached, in some cases. • common or c wires are generally blue. I'm unsure if my furnace (amana guis070ca35) is actually two stage or not. C wires are necessary for any smart thermostat that needs to be connected to a power source 24/7, regardless of your heat pump type. In addition to heating (2 wire thermostats) and c or fan (3 wire thermostats), 4 wire thermostats include the cooling wire, usually in blue or yellow color. Knowing what each thermostat wire does can help in wiring up a new or replacement room thermostat. In rare cases a wire may be in the wrong thermostat connector, which can cause your system to malfunction.
Where does the blue wire go on the
Smart thermostats like nest and ecobee thermostats require 4 wire thermostat wiring to function properly. Use the thermostat compatibility checker to see if an ecobee thermostat will work with your system. When taking into consideration your thermostat wiring colors, the orange wire typically connects to the o terminal while the dark blue wire connects to the b terminal. So now i'm concerned if this old thermostat was not wired properly? You may also have up to two black wires as well but these are used for various heating systems in the north or for outdoor purposes, so for most of you these won't need any attention. I know nothing about wiring the nest thermostat, but if the blue wire is connected to c on your control board then you can ensure that it is the common wire by using a voltmeter, disconnect the r and c wires on your thermostat (i know you say the blue wire was loose already). If this is the case, you should check with your specific manufacturer's instructions before you continue. Wiring tips wire colors can vary, but: Researching the wires, i've read that commonly w2 is suppose to be white and blue wire is usually c (common); Put this wire in the nest thermostat's * o/b connector. Modern thermostats are a different story. Thermostat wiring orange and blue wires. What do all the thermostat terminal letters/wiring labels mean?
