![]() ![]() This depends greatly on who installed it as well as who manufactured your heating pump. 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. It alters the heat pump cycle from heating to cooling and vice versa. This portion of the heat pump changes the direction of the refrigerant flow. The reversing valve in a heat pump system connects to the O & B terminals. The installer could have used any color, though. It’s usually black, but in some cases, it’s the thermostat blue wire. The common wire doesn’t have a standard color. This particular wire extends from the transformer and is responsible for completing the 24 V power circuit in the thermostat. ![]() This wire is responsible for triggering the blower fan. ![]() When you’re looking at your thermostat wire colors, you’ll notice a green wire connected from the fan. It enables the thermostat to control the air conditioning unit. The wire that connects to the Y terminal is yellow and connects to the compressor in your cooling system. It connects directly to the furnace, boiler or other heating source and is generally white. The W terminal the one that triggers the heating. Hvac trminal equipment definition install#You could install a jumper in between the RH and RC terminals if your system only has one transformer. This means you’ll have more wires to connect when you change your thermostat. Its wiring is slightly more complicated because it requires more circuits to work properly. The heat pump system setup differs from a standard unit. More than likely, your heating, ventilation and air conditioning (HVAC) consists of an oil, gas or electric furnace and an air conditioning unit.Īlthough this is the setup in a majority of homes, some homes have a heat pump system. ![]() It gives you a general idea of where the wires go in case your model doesn’t connect the way explained in this article. It’s highly recommended that you use at least one of the tips mentioned above before you disconnect and replace the thermostat. You may want to mark the terminal where each wire connected.Ī majority of modern smart/ wifi thermostats have stickers, so you’re able to label the old thermostat wires before you remove it. You want to take a photo of the current wiring because even when you have your old device removed, you’ll still have a map of how the wires were connected to the base. You’ll have a map of exactly where the wiring was connected to the base. Tips for Changing a Thermostatīefore you uninstall the old thermostat, take a picture of its wiring to act like a thermostat wiring diagram. It provides for the legal, unlicensed citation or incorporation of copyrighted material in another author's work under a four-factor balancing test.Keep in mind, the person who installed your thermostat may not have followed the same procedure, so your system might not match what’s going to be explained in this article. Examples of fair use include commentary, search engines, criticism, news reporting, research, teaching, library archiving and scholarship. In United States copyright law, fair use is a doctrine that permits limited use of copyrighted material without acquiring permission from the rights holders. If you are the author of the text above and you not agree to share your knowledge for teaching, research, scholarship (for fair use as indicated in the United States copyrigh low) please send us an e-mail and we will remove your text quickly.įair use is a limitation and exception to the exclusive right granted by copyright law to the author of a creative work. HVAC EQUIPMENT - Apparatus or equipment used in heating, ventilating, and air conditioning.įor the term hvac equipment may also exist other definitions and meanings, the meaning and definition indicated above are indicative not be used for medical and legal or special purposes.Īuthor : not indicated on the source document of the above text Meaning and definition of hvac equipment : The information of medicine and health contained in the site are of a general nature and purpose which is purely informative and for this reason may not replace in any case, the council of a doctor or a qualified entity legally to the profession.Įngineering and technical terminology Glossary of engineering terms Hvac trminal equipment definition for free#The following texts are the property of their respective authors and we thank them for giving us the opportunity to share for free to students, teachers and users of the Web their texts will used only for illustrative educational and scientific purposes only.Īll the information in our site are given for nonprofit educational purposes ![]()
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