Wiring diagram for ac unit thermostat. Introduction for air conditioning systems types introduction for types of motorscompressors used in air conditioning systems. The set temperature is not always the temperature the thermostat cycles which results in as much as a 50f temperature change before the ac or furnace cycles on or off. If you have heat and ac youll need 185. Importance of electrical wiring for air conditioning systems.
Thermostat wire comes in various weights. Basic electrical safety and standards for wiring color. Heat pump thermostat wiring chart diagram hvac the following graphics are meant as a guide only. Additional articles on this site concerning thermostats and wiring can help you solve your problem or correctly wire a new thermostat.
Typical wiring diagrams for push button control stations 3 genera information at each circuit is illustrated with a control circuit continued schematic or line diagram and a control station wiring diagram. L the schematic or line diagram includes all the components of the control circuit and indicates their. And in article electrical wiring diagrams for air conditioning systems part one i explained the following points. The standard analog thermostat found in most rvs doesnt control the ac and furnace with much accuracy.
The same basic procedure is used to develop a wiring diagram from the schematic as was followed in the previous chapters. Wiring for dcc by allan gartner track wiring for digital command control part ii. What you will learn in thermostat wiring colors code. Always follow manufacturers instructions for both the thermostat and the hvac system.
Thermostatic wiring principles by bob scaringe phd pe. What thermostat wire color is likely to go to which terminal on the thermostat.