Air Conditioning 4 Wire Thermostat Wiring Color Code

Color codes for 24v thermostat wires are divided into two groups.

Air conditioning 4 wire thermostat wiring color code. How to wire an air conditioner for control 5 wires the diagram below includes the typical control wiring for a conventional central air conditioning systemit includes a thermostat a condenser and an air handler with a heat source. Has pictures of the wires terminals they attach to wire colors and letter labels. Variety of 4 wire thermostat wiring diagram. Well explained tutorial on wire color codes.

It reveals the parts of the circuit as streamlined shapes and the power and also. 18 or 20 18 gauge thermostat wire is recommended for any distances up to 250 feet. If you ve installed more than a few thermostats t stats you likely noticed. We give a summary tables of both traditional and current thermostat wire color code keys above the 5 universal base colors for thermostat wires which are in order of frequency of use red white green yellow and black.

Each wire connects to a different terminal and is responsible for a different function. A wiring diagram is a streamlined conventional pictorial representation of an electrical circuit. Keep the following list handy whenever you decide to. 4 wire or 5 wire thermostat wiring problem the answer answer.

Choosing the proper gauge. The first thing we need to do is to identify the wires and where they go using our comprehensive guide to thermostat wire colors and codes. The thermostat wire color tends to fade or it does not using the right color code by previous owner or someone. That why it s best to take the wire from existing thermostat and wire it to the new air conditioning thermostats one by.

Below is an industry standard thermostat wire color code complete with each wire s function. Multi stage systems can require up to 8 conductors because of the amount of communication needed between the thermostat and air handler or furnace. First what thermostat wire color is likely to go to which terminal on the.