Combustion Air Proving Switch

When dealing with combustion air space limitations the cap system is a superior solution.

Combustion air proving switch. P32 series sensitive differential pressure switch for combustion air applications application this p32 differential pressure switch is for use in combustion applications where a proof of air flow is needed for proper system operation. Gas pilot valve gpv ignition transformer it gas pilot vent valve gpvv if provided flame detector circuit. Appliances with power vented exhaust. Integrated combustion and burner management flame safeguard controllers.

Ensures the combustion air fan is powered and delivering sufficient air for good combustion. With a gun burner this is located on the air plenum just before the burner s blast tube. Currently we have 2 types of air proving switches. With an integral burner the switch is mounted on the front head which also serves as the air plenum.

I have 4 industrial boilers that range from 40klbs hr to 60 klbs hr. Afs 952 55 high pressure cutoff air switch. The switch is there to prevent the furnace from running unless the correct venting air pressure is present. Connecting the combustion air blower motor specifications rated voltage.

Combustion air proving switch caps atomizing air proving switch aaps if provided low fire proving circuit. Low fire switch lfs pilot ignition circuit. Air flow sensing switches for combustion. Once the proving switch has closed the call for heat will initialize the burner firing sequence.

The air proving switch for the combustion air blower will close upon movement of air. My operating combustion air pressures run from 8 20 h2o. A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced air furnace. The airflow switch is wired in the preignition interlock circuit of a flame safeguard control.

The cleveland controls switch specs down to 5 h2o but when i bench test it or the honeywells they close with pressure applied but. Combustion air proving kit with burner cut off the carlin cap combustion air proving system a superior solution for meeting combustion air code requirements. 1111 brookpark road cleveland ohio 44109. Cleveland controls afs 951 and an old honeywell that i cannot read the part number.

Combustion air proving switch. The airflow switch is a burner boiler safety device that proves makes sure that the combustion blower is running and providing the minimum amount of air pressure for safe light off before we try to light off the burner.