Single Stage Furnace Wiring

Always refer to your thermostat or equipment.

Single stage furnace wiring.

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. If not connect them in this manner. This type of furnace will aim to keep your home within one to two degrees of your desired temperature by adjusting its flame in slight increments to the changes it detects. Low cost equipment for basic home heating.

That means the furnace operated about 10 longer than a single stage furnace. This furnace has only two settings. A two stage or variable speed system may only be operating at a single speed because the thermostat or control system doesn t allow for two stage wiring. For more information on the differences between a one stage and a two stage furnace try this short video.

A dual fuel system which is comprised of a gas furnace and a heat pump should be connected to a thermostat or control system that can accommodate the specific heating set points. That is a basic honeywell thermostat wiring diagram for a single stage heat pump. Verify that the red wire is connected to the r terminal green wire to the g terminal and white wire to the w terminal. Single stage vs two stage furnace.

So if on average your single stage furnace ran for 10 minutes the two stage furnace would run for 11 minutes. Strip the brown thermostat wire back one half inch and connect it to the w2 terminal on the furnace. This controls the second stage of heating. Modulating furnaces provide homes with more precise temperature control and less dramatic temperature fluctuations than single stage and even double stage furnaces.

Remember the study from ashrea in 2006. More air moved means more air filtration. They showed an 11 higher electrical consumption from a two stage furnace. If a furnace is one stage or is too big for your house again it will kick off more often and spend less time filtering the air in your house.

In furnace terminology stages refers to the levels of heat output a furnace can provide. Standard ac with standard air handler and single stage backup heat control wiring standard air handler wire size. Most of that from the blower motor.