Honeywell Furnace Control Board Wiring Diagram

You will only use one of wiring harnesses in the package if you require any of them discard the rest.

Honeywell furnace control board wiring diagram.

Controls independent supply pany wiring diagram collection. Ignition system and oil primary control start the furnace. Universal honeywell st9120u board. Not very exciting but hopefully it will help yo.

Honeywell air handler fan control board st9120c 4057 st9120c4057. My paperback and e book. Box 524 north york ontario minneapolis mn 55408 0524 m2h 2c9 69 0771b 69 0771b g h. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage.

Board comes with instructions and several wiring harnessness to convert old plug designs into this updated board. This is a brand new honeywell furnace control circuit board. It s designed to replace all the honeywell part s listed below. St9103a closes oil primary control t t connections.

The honeywell home trademark is used under license from honeywell international inc. Contains all the essential wiring diagrams across our range of heating controls. Typical mounting orientation showing wiring connections to s9200u1000 universal integrated furnace control. Honeywell limited honeywell limitée honeywell plaza 155 gordon baker road p o.

Burner motor is energized and heat fan on delay timing begins. Furthermore this thermostat wiring diagram is specifically for a system with two transformers your system likely only has one transformer as most typical residential systems only use a single transformer for control. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Honeywell st9120c4057 wiring diagram download controls independent supply pany wiring diagram collection.

When timing is complete the circulating fan is energized at heat speed and warm air is. Armstrong furnace blower control circuit board r 003 hvac. Oil flows as long as oil primary control senses flame. That is a basic honeywell thermostat wiring diagram for a single stage heat pump.