The thermostat calls for heat by the home owner you turning the thermostat up.
Goodman gas furnace sequence of operation.
At this point the indoor fan blower motor may continue to run to get all the heat it can or it might shut off after a short delay.
Gas furnace sequence of operation the thermostat reaches a set temperature and sends a signal for the furnace to turn on.
Should overheating occur or the gas supply fail to shut off turn off the manual gas shutoff valve external to the furnace before turning off the electrical supply.
But for the most part manufacturers have all gone to a hot surface or direct spark ignition the sequence of operation is as follows.
The inducer motor begins to spin and creates a vacuum to insure the left over gasses go out the exhaust pipe.
Such as unventilated garages utility rooms or parking areas because of carbon monoxide poisoning hazard b10259 216 special warning for installation of furnace or air handling units in.
Gas furnaces sequence of operation the standing pilot gas furnace the standing pilot gas furnace is the most basic of all modern gas furnaces.
The youtube video illustrates the sequence of operation on a bryant carrier 92 condensing furnace.
It is the obligation of the installer to instruct the user how to use the room thermostat and what the normal sequence of operation is in both the heating and cooling modes.
Sequence of operation of this furnace is similar to most 80 furnaces made after 1990.
The standing pilot gas furnace remains in use.
Sequence of operation this appliance communicates with room thermostat through the low voltage connections described in thermostat location and low voltage connections section of this manual.
They are being replaced with newer electronic ignition gas furnaces.
On a call for heat thermostat closes a signal is sent to the ifc and sequencing begins.
Heat call from the thermostat.
Control board does a safety check limit switches roll out switches.
The gas valve will shut off and then either at the same time or a with a delay will shut off the inducer draft combustion blower motor.