Furnace Wiring Diagram

A wiring diagram is a simplified standard pictorial representation of an electric circuit.

Furnace wiring diagram. Furnace thermostat wiring diagram terminal letters on a thermostat and what they control the hot wire 24 volts usually red from the transformer is the main power wire to turn on or off a furnace components. Furnace control board wiring diagram doesn t seem to clearly indicate the attach point at the furnace end. For example if the red wire is connected to w on the thermostat the furnace should turn on. Oil fired warm air furnace p2hmx12f08001 p3hmx14f10001 p3hmx20f12001 upflow or horizontal models p3lbx12f08001 p3lbx14f12001.

The thermostat is the control device that provides a simple user interface with the internal workings of your homes climate control system. 2 kfceh0501n05 5 non fused kfceh0601c05 5 circuit breaker kfceh0801n08 8 non fused kfceh1001c08 8 circuit breaker. It shows the parts of the circuit as simplified shapes and the power and also signal links between the gadgets. By the use of an adjustable set point the job of the thermostat is to turn on either the heating or cooling system to maintain the desired room temperature in the home and to turn off the system when the desired temperature is achieved.

October 29 2018 by larry a. It reveals the parts of the circuit as streamlined forms and the power and signal links between the devices. The thermostat should automatically complete these connections when a set temperature is reached. Wiring diagram 16 wiring notes 17 r7184 detailed sequence of operation 18 table c 1.

Well qualifier there is a screw terminal block w2 y1 dhum g com 24v w w1 y y2 r on the board screw labeled com 24v. Wiring diagrams field installed heater model nom kw at 240 v heater installed in fa4a fb4a fc4b fx4a label diagram heater installed in 40fka fk4c fv4a label diagram kfceh0401n03 3 non fused fig. The wiring diagram shows where the wires are mounted to the components and usually including wire color codes and sometimes numbers for wire identification. Gas furnace diagram one of the benefits of a forced air system is that it can receive a whole house air conditioning unit a humidifier and an electronic air filter all of which can take advantage of the furnace s air handler and ducts for delivery of conditioned air to rooms.

We use this diagram to sequence or to tell how the equipment moves electricity through the system to make the unit operate. Standard ac with standard furnace control wiring standard furnace standard thermostat standard a c condenser 1st stage heat white 24 volt fan only operation common air conditioning ac contactor control board 1 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system. Wellborn variety of gas furnace wiring diagram pdf. St9103 detailed sequence of.

A wiring diagram is a streamlined standard pictorial depiction of an electric circuit. March 15 2019 by larry a.