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Posted on May, 13 2019 by Michael Burnstagged with :
Hvac thermostat wiring - thermostat wiring colors code always follow the thermostat manufacturers instructions whenever changing the thermostat always turn the power off at the heat pump thermostat wiring chart this is for use for heatpumps you should 100 make sure that you have a heat pump system and not an air conditioner with electric heating strips as it is a mon mistake for people to misidentify their hvac systems for anyone reading this page who thinks they re about to get some really technical information on hvac systems and their patibility with various thermostats i m sorry to disappoint you heck now i m not calling anyone a dummy even the most seasoned people who enjoy diy may e across problems with wiring a thermostat the main trouble is dealing with those different colored wires knowing which one does what and if that wasn t enough you also have numbers and letters to deal with types of thermostat wire.
there are a variety of thermostat wire types the main difference setting each apart is the number of colored wires hvac systems with more functions need more wires to municate to and from the thermostat how to get help with hvac questions some ex les of customer concerns addressed by the hvac experts on justanswer include why does my furnace not kick on when the thermostat is set to a temperature above the ambient temperature of the room like many do it yourselfers my house was built around the time of the dinosaurs and much of the equipment was so antiquated that replacement was a matter of necessity i noticed that my thermostat a non digital dial type that i am pretty sure was installed my thomas edison wasn t quite working up in this article i am going to explain the function and wiring of the most mon home climate control thermostats this information is designed to help you understand.
the function of the thermostat to assist you when installing a new one or replacing or up grading an old one lack of standards makes this interesting while there isn t an official standard for thermostat circuit wiring colors there is a general pattern