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.It includes a thermostat, a condenser, and an air handler with a heat source. 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 is fed from a water heater.
Diagrams are discussed extensively in Fundamentals of HVAC/R in units 31 Electrical Components and Wiring Diagrams, 32 Controls, and 33 Control Circuits and Diagrams. There are some great exercises in MyHVACLab to help students learn electrical diagrams including an interactive electrical symbol recognition activity and a virtual wiring
The important first step is to get the proper replacement wire type. It comes in bundles of 2, 3, 5, 6 and 8 wires. As you shop for it, these will be labeled 18/2, 18/3, 18/5, and so forth. Most systems today require a minimum of 5 wires when both heating and air conditioning equipment is included in the system.
Use our menu to the right to find helpful articles such as thermostat wiring diagrams, low voltage circuits for HVAC, how to wire an air conditioner for control, control board troubleshooting, and thermostat troubleshooting. Thermostat Terminal Designations Explanations
2- How to get the Electrical Wiring for Air Conditioning systems? Usually, the electrical wiring diagram of any HVAC equipment can be acquired from the manufacturer of this equipment who provides the electrical wiring diagram in the user's manual (see Fig.1) or sometimes on the equipment itself (see Fig.2).
Air Conditioning-Heat Pump Reversing Valve 1st Stage Heat (white) 2nd Stage Heat (brown) Low Voltage Connection Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire. 11 This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or