Heat Strip Wiring Diagram For York Unit. York system wiring diagrams wd 2. Index for low voltage wiring lx units.
Heat pump thermostat wiring chart diagram hvac the following graphics are meant as a guide only. Low voltage is the voltage that is used to control the unit from a thermostat or other single phase will be two power wires and a ground three phase will be the thermostat. Always follow the manufacturers instructions for both the thermostat and the hvac system.
W1 out output to energize 1st stage heat when in defrost.
Always follow the manufacturers instructions for both the thermostat and the hvac system. Always follow the manufacturers instructions for both the thermostat and the hvac system. Units are factory wired for a 230 volt power supply. York retail system specific wiring diagrams.