Charts For Color Coded Wiring Hvac
It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit.
Charts for color coded wiring hvac. There are quite a few different wire color code standards in place so it is important to understand which one to follow in which situation. They use a base color band color letters and direction arrow to identify fluid inside the pipeline. Hvac systems with more functions need more wires to communicate to and from the thermostat. I explain what each of the letter terminals are for the voltage path how it works and also the normal color code used.
Guide to thermostat wiring color code making install simple charts for color coded wiring hvac electrical wire color codes mean. Hvac control panel wiring diagram collections of best how to read wire diagrams electrical outlet symbol 2018. Thermostat wiring colors code hvac control heat pump thermostat wiring chart. But note that this document covers a wide range of years and vehicles so your vehicle might not have all of the circuits shown.
R the r terminal is the power. 2 1 2 277 480 volt ac wiring color codes in usa. Hvac control wiring diagram examples hvac wiring diagrams wiring. Types of wire color codes.
The main difference setting each apart is the number of colored wires. How to read ac or air conditioner condenser unit wiring diagram schematic. 3 wiring color codes in europe including uk iec. Color of wire and termination.
Standard wire and color code charts the following is a ford publication that shows the wire colors used for each circuit as well as the circuit numbers for them. The standards used will vary based on what country the wiring is being done in and the type electricity it is for and other factors. 2 1 usa wiring color codes for ac supply. 3 1 wiring color codes in europe iec for ac supply.
1 what are wiring color codes. The thermostat wire is color coded so the technician can identity which wire goes to which port on each board. Ansi asme a13 1 scheme for the identification of piping systems the purpose of asme ansi a13 1 standard is to establish a common system that assists in the identification of hazardous materials conveyed in piping systems and their hazards when released into the environment. 2 wiring color codes in united states of america usa.
Charts for color coded wiring hvac thermostat wire color code chart tracing the wire to the source additional resources what you will learn in thermostat wiring colors code article. I go over 4 ac condenser wiring diagrams and explain how to read them and what all the symbols and charts on the label. I discuss how to wire the contactor and what the difference is between the. 2 1 1 120 208 240 volt ac wiring color codes in usa.
Thermostat wiring and wire color chart thermostat wiring colors code. 2 2 usa wiring color codes for dc supply.