After a predetermined amount of time if it has not satisfied the temperature it kicks up to high until the temperature is satisfied.
Dual stage furnace thermostat.
Works with direct line voltage.
Get it as soon as mon sep 14.
Works with 2 stage or multi stage heat or cool.
For example when a furnace rated at 80 000 btu s first turns on it will operate at 60 000 btu s 75 of 80 000.
Quiet operation two stage furnaces start in the first stage when the amount of heat required is lower instead of reaching full capacity all at once.
Heagstat h715 5 1 1 day multi stage programmable thermostat 2 heat 2 cool with 4 5 sq.
Your thermostat calls for heat and the furnace kicks on low.
For use with a fireplace floor or wall furnace.
110 or 240 direct current power source used in some older homes to power the thermostat.
Single stage heat pumps only have y1 for both heating and cooling.
1 the time the furnace has been operating or 2 if the thermostat senses it needs to raise the temperature more than two degrees.
Two stage heating eliminates the temperature swings associated with standard furnaces regulating temperature to within as little as one degree of the thermostat setting.
For heating or cooling units that have a high and low speed.
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Multistage systems will have more than one heating or cooling wire.
Two stage thermostats run two stage air handling systems which heat and cool in two phases.
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Systems with two stage cooling or a heat pump will have wires in the y1 and y2 connectors.
For example systems with three stage conventional heat will have wires in the w1 w2 and w3 connectors.
The furnace will go to second stage high fire based on one of two conditions.
A two stage furnace works like this.
Two stage thermostats help with the efficient regulation of two stage heating and cooling systems which offer high output for inclement weather and low for more temperate weather.
For this extra stage you need to connect one additional wire to your furnace and your thermostat.
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.
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.