Honeywell Furnace Control Board Wiring Diagram

Honeywell air handler fan control board st9120c 4057 st9120c4057.

Honeywell furnace control board wiring diagram.

Board comes with instructions and several wiring harnessness to convert old plug designs into this updated board. When timing is complete the circulating fan is energized at heat speed and warm air is. The honeywell home trademark is used under license from honeywell international inc. Not very exciting but hopefully it will help yo.

Ignition system and oil primary control start the furnace. Page 6 s9103a electronic fan timer home and building control home and building control helping you control your world honeywell inc. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. St9103a closes oil primary control t t connections.

Honeywell st9120c4057 wiring diagram download controls independent supply pany wiring diagram collection. Contains all the essential wiring diagrams across our range of heating controls. Typical mounting orientation showing wiring connections to s9200u1000 universal integrated furnace control. Oil flows as long as oil primary control senses flame.

Universal honeywell st9120u board. Armstrong furnace blower control circuit board r 003 hvac. 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. Box 524 north york ontario minneapolis mn 55408 0524 m2h 2c9 69 0771b 69 0771b g h.

Page 9 s9200u1000 universal hot surface ignition integrated furnace control mounting hole x2 board clips x6 park park e com xfmr cont heat fuse 24 vac flame cool plastic mounting tray m24908 fig. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage. Burner motor is energized and heat fan on delay timing begins. That is a basic honeywell thermostat wiring diagram for a single stage heat pump.

Controls independent supply pany wiring diagram collection. My paperback and e book. It s designed to replace all the honeywell part s listed below. Http amzn to 2gnnlkg step by step process of installing a control board.