Single Stage Furnace Wiring

A single stage furnace the most basic design available has a fixed gas valve and a single speed blower fan motor.

Single stage furnace wiring.

Remember the study from ashrea in 2006. Most of that from the blower motor. So if on average your single stage furnace ran for 10 minutes the two stage furnace would run for 11 minutes. That is a basic honeywell thermostat wiring diagram for a single stage heat pump.

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. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage. Always refer to your thermostat or equipment. Low cost equipment for basic home heating.

They showed an 11 higher electrical consumption from a two stage furnace. Single stage vs two stage furnace. Verify that the red wire is connected to the r terminal green wire to the g terminal and white wire to the w terminal. 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.

18 gauge standard single stage heat thermostat standard a c condenser ac contactor 4 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system. This controls the second stage of heating. If not connect them in this manner. Modulating furnaces provide homes with more precise temperature control and less dramatic temperature fluctuations than single stage and even double stage furnaces.

Standard ac with standard air handler and single stage backup heat control wiring standard air handler wire size. For more information on the differences between a one stage and a two stage furnace try this short video. Strip the brown thermostat wire back one half inch and connect it to the w2 terminal on the furnace. In furnace terminology stages refers to the levels of heat output a furnace can provide.

That means the furnace operated about 10 longer than a single stage furnace. 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. This furnace has only two settings.