Honeywell Furnace Controller Wiring

Most heat only gas or oil forced air systems do not use a fan g wire.

Honeywell furnace controller wiring. Not very exciting but hopefully it will help you a bit if you re going to try this yourself. Thermostat controller user manuals operating guides specifications. Wiring the furnace combination fan limit control using the honeywell l4064b as an example this control can be wired to serve as a safety limit switch on a furnace by wiring just the limit terminals on the control. 2 1 2 furnace r rc switch up o b heat only.

T6 pro wiring diagrams wiring diagrams heat only. The two 24 volt wires go to the r terminal and c terminal inside the thermostat. The transformer steps down 120 volts to the 24 volts the thermostat needs and sends out the 24 volts on two wires. 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.

Includes instructions and special wire harnesses for easy replacement. It replaces a large number of furnace control models in single stage warm air furnaces. Gas or oil furnace. The honeywell home trademark is used under license from honeywell international inc.

Furnace 24 volt transformer. It works off of temperature and also provides a high temperature safety limit this is a switch actually two switches which turns the furnace blower on and off based on the temperature of the heat exchanger. Step by step process of installing a control board. Connections can be made to standard wire push in terminals or female receptacles for 1 4 in.

Uses 120vac hot surface igniter. Honeywell furnace temperature fan limit switch control the fan limit control turns the fan on and off in furnace applications. Universal integrated furnace control offers universal compatibility and diagnostics. Wiring connections when connecting cable or conduit to this controller use care to avoid strain on the control case.

Contains all the essential wiring diagrams across our range of heating controls. Gas or oil furnace cool only c g w r s s y y2 g c u u a w2 w k rc r l a e aux m36882 1 common optional. Click the icon or the document title to download the pdf. A helical bi metal probe extends from the back of the.

6 4 mm male flag connectors on both the fan and limit switches fig.