In a system with a furnace the evaporator coils sits on top of the furnace and is the critical component that cools air inside a home.
Home central air system diagram.
It s contained in a metal box called a plenum and sits on top of your furnace.
This is the piece of your air conditioning system that most people never see.
The outdoor unit contains the condenser coil compressor electrical components and a fan.
Collection of central air conditioner wiring diagram.
The furnace blower passes air across the evaporator coil.
Diagram of a central air conditioning system of a house including a network of warm air and cold air ducts.
A wiring diagram is a simplified traditional pictorial depiction of an electric circuit.
A central air conditioner is like a giant refrigerator for your house.
It shows the components of the circuit as simplified shapes and the power and signal connections between the devices.
If you have a horizontal furnace in an attic the evaporator coil will sit on one end of the furnace instead of on top.
In fact it employs the same types of components materials and systems as a refrigerator including a refrigerant that changes from liquid to gas and back to liquid as it travels through a system of tubes and coils or fins that collect and give off heat.