Official York heating & cooling combined unit parts

Replacing the wall control thermostat for your York heating and cooling combined unit

• Shut off the house circuit breakers for your heating and cooling combined unit to disconnect electrical power.
• Remove the cover of the existing wall control thermostat. Follow the instructions in the owner's manual for the existing thermostat to remove its cover.
• Remove the thermostat mounting screws and pull the thermostat out from the wall slightly to access thermostat wires.
• Disconnect the thermostat wires and remove the existing wall control thermostat.
• Connect the wires to the new wall control thermostat.
• Mount the new thermostat to the wall using the mounting screws. Install the thermostat cover.
• Reset the house circuit breakers for the heating and cooling combined unit to restore electrical power.

Common repair parts needed for York heating and cooling combined units

• Float switch. The float switch detects a clog in the evaporator condensate drain system. The float switch shuts off the heating and cooling combined unit if it detects water backing up into the evaporator
• Air filter. The air filter is located at the intake of the blower assembly. It removes dust and debris from intake air.
• Blower assembly. The blower assembly is the air handler that circulates air through the evaporator in the heating and cooling combined unit. It consists of an outer case, a blower motor and blower wheel.
• Wall control thermostat. The wall control thermostat is a temperature control device that mounts on a wall inside your home. The thermostat monitors temperature inside your home and tells the heating and cooling combined unit when to start and stop.