Air conditioning control panel how to#

Air conditioning control panel how to#

G Wire for Fan Control | How to Wire an Air Conditioning ThermostatģThe G terminal is for the blower fan located in the air handler. Additionally, the backup heat for heat pumps. White Wire for Heating System (If so equipped)ĢThe W terminal is for heating, including the heating for gas furnaces, electric furnaces, boiler systems. Finally, it will feed it with 24 volts, provide power to the thermostat, and when the thermostat calls for heating or cooling, provide everything with control power. That will power the relay, contactor, or complete the circuit in the circuit board.

Red Wire for Air Conditioner Control Power (Hot) | How to Wire an Air Conditioner for ControlġThe R terminal is the 24-volt hot feed from the control step-down transformer. How to Wire an Air Conditioner for Control - 5 Wires Breakdown of Colors and Terminals | Thermostat Wiring Diagram for AC Unit

(opens in a new window) Thermostat Wiring Diagram | How to Wire an Air Conditioner for Control 5 Wires Related Link: Standard 18 gauge thermostat wire is used for all control wiring. Finally, typical systems that do not use 24-volt control are window unit air conditioners, ductless mini-split systems, and baseboard electric heating systems. Circuit boards or printed circuit boards found in modern systems utilize 24-volt control, which originates from the control transformer. All the relays in the system have 24-volt coils. Moreover, the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the air handler that gets hot water from a water heater or boiler.Įvery conventional residential ac system uses 24 volts for the control of the system. Furthermore, it includes a thermostat, a condenser, and an air handler with a heat source. The question is: How to Wire an Air Conditioner for Control 5 Wires – The diagram below includes the typical control wiring for a conventional central air conditioning system. How to Wire an Air Conditioner for Control 5 Wires

Lastly, resource and related links to help you with wiring and installing a thermostat.

A detailed diagram illustrating where the wires go for 5 wire air conditioner and heating system control.

A detailed description of where each wire goes in the air handler and condenser and what it controls.This article includes a comprehensive table showing thermostat wire terminations for an air conditioner and a source of heat that includes five wires.What you will learn from the How to Wire an Air Conditioner for Control 5 Wires article: