Wiring Diagram Indoor Ac. Field wiring terminal for low voltage. 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.
These two connections will ensure that there is power to the thermostat that you are. The color of wire r is usually red and c is black. Always follow the manufacturers instructions for both the thermostat and the hvac system.
Notesome ac systems will have a blue wire with a pink stripe in place of the yellow or y wire.
The terminals will be numbered 123 and earth on the outdoor unit. In the below wiring diagram fan motor fan capacitor connection stepping motor transformer step down 220 vac to 12 vac display connection room temperature sensor and coil temperature sensor thermistor and other wiring shown. Wiring diagram indoor ac split wiring diagram and schematics wiring diagram and schematics this place is a growing library of the schematics. Installation instructions includes wiring diagrams h3hk package 208240 and 460v electric heater kits.