Combustion Air Proving Switch

Combustion air proving switch caps atomizing air proving switch aaps if provided low fire proving circuit.

Combustion air proving switch.

Low fire switch lfs pilot ignition circuit. Combustion air blower or field supplied 120vac relay for damper control to be energized. With an integral burner the switch is mounted on the front head which also serves as the air plenum. Currently we have 2 types of air proving switches.

Appliances with power vented exhaust. A pressure switch is designed to sense the negative pressure created by the draft inducer motor during the furnace startup and. The airflow switch is wired in the preignition interlock circuit of a flame safeguard control. With a gun burner this is located on the air plenum just before the burner s blast tube.

Cleveland controls afs 951 and an old honeywell that i cannot read the part number. Once the proving switch has closed the call for heat will initialize the burner firing sequence. Integrated combustion and burner management flame safeguard controllers. When dealing with combustion air space limitations the cap system is a superior solution.

Air flow sensing switches for combustion. 1111 brookpark road cleveland ohio 44109. My operating combustion air pressures run from 8 20 h2o. Combustion air proving kit with burner cut off the carlin cap combustion air proving system a superior solution for meeting combustion air code requirements.

The switch is there to prevent the furnace from running unless the correct venting air pressure is present. Why fill a homeowner s basement with cold air in the winter and humid air in the summer. The air proving switch for the combustion air blower will close upon movement of air. A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced air furnace.

The cleveland controls switch specs down to 5 h2o but when i bench test it or the honeywells they close with pressure applied but. Ensures the combustion air fan is powered and delivering sufficient air for good combustion. Afs 952 55 high pressure cutoff air switch. Connecting the combustion air blower motor specifications rated voltage.

I have 4 industrial boilers that range from 40klbs hr to 60 klbs hr. Gas pilot valve gpv ignition transformer it gas pilot vent valve gpvv if provided flame detector circuit.