The Thermostat Controls The Operation Of The Heater Compressor And Blower As Shown In Figure 1.
All equipment leaves the factory wired on 240v tap. The first and most common is the ladder diagram so called because it looks like the symbols that are used to represent the components in the system have been placed on the rungs of a ladder. Low voltage and line voltage.
Warning Death Personal Injury And Or Property Damage Hazard Failure To Carefully Read And Follow This Warning.
Low voltage wiring connects the furnace to the thermostat and air conditioning unit. In the right diagram below a 20 w bulb with a 12v source draws 1 6 amps 10 times more current than a 120v source. A wiring diagram is a simplified conventional pictorial depiction of an electrical circuit.
I Show The Low Voltage Thermostat Wiring Diagrams For Heat Pumps, Electric Strip Heating, Furnaces, Air Conditioners, Boilers, And 750Mv Gas.
The voltage should be measured at the field power connection point in the unit and while the unit is operating at full load (maximum amperage operating condition). Hvac low voltage wiring diagram. In this hvac installation training video i show how to wire the low voltage thermostat wires into a furnace and ac unit.
How To Wire An Air Conditioner For Control 5 Wires The Diagram Below Includes The Typical Control Wiring For A Conventional Central Air Conditioning Systemit Includes A Thermostat A Condenser And An Air Handler With A Heat Source.
This diagram is to be used as reference for the low voltage control wiring of your heating and ac system. The wire you use to wire a thermostat should be 18 gauge solid wire. For 208v operation, reconnect from 240v to 208v tap.
