Expert Nationwide Service. Book online for service ASAP. Heck, now I’m not calling anyone a dummy! Even the most seasoned people who enjoy DIY may come 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.
But here is a list of the most common wire color mappings, as seen in many four wire t-stat setups. C – VAC Common (You might see blue, purple, or brown typically used for this wire ). Collection of honeywell thermostat wiring diagram wire. A wiring diagram is a streamlined standard pictorial representation of an electric circuit.
It reveals the parts of the circuit as streamlined shapes, and also the power and also signal links in between the gadgets. For people who prefer to see an actual wiring schematic or diagram when wiring up a room thermostat , those illustrations are provided here to help understand what wires are being connected and what each wire is doing. Set Heating Fan Control HG Leave the jumper in this factory-set position if you have a gas or oil furnace.
HE Place the jumper to this position if you have an electric furnace. What you will learn in Thermostat Wiring Colors Code article:. What does my thermostat wiring mean? It is a diagram drawn to I. The picture above right is a photograph of the actual thermostat terminals. This thermostat wiring diagram is a split system.
These split systems include an air conditioner with a gas furnace, oil furnace, or electric furnace. Furthermore, the wires going to the condensing unit are shown in red and white. However, these colors can be different. Color Code, How it Works, Diagram ! Wire thermostat Diagram Installation Air Conditioner thermostats.
You could be a professional that wants to look for references or solve existing troubles. Wiring Diagram software Review thermostat Watts Full Image for Based. Wiring Keep wires in this shaded area Loosen screw terminals, insert wires into terminal block, then re- tighten screws.
Push excess wire back into the wall opening.
The diagram below shows how a basic 4- wire thermostat is connected as indicated by the color code chart above. To prevent interference with the thermostat linkage, keep wire length to a minimum and run wires as close as possible to the subbase. Disconnect power supply to prevent electri-cal shock or equipment damage.
Modern thermostats with Wi-Fi and backlit display, by contrast, need a steady supply of juice.
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