Combustion Air Proving Switch

Combustion air blower or field supplied 120vac relay for damper control to be energized.

Combustion air proving switch.

The cleveland controls switch specs down to 5 h2o but when i bench test it or the honeywells they close with pressure applied but. A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced air furnace. I have 4 industrial boilers that range from 40klbs hr to 60 klbs hr. Ensures the combustion air fan is powered and delivering sufficient air for good combustion.

Why fill a homeowner s basement with cold air in the winter and humid air in the summer. Appliances with power vented exhaust. 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. When dealing with combustion air space limitations the cap system is a superior solution.

1111 brookpark road cleveland ohio 44109. Integrated combustion and burner management flame safeguard controllers. 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. Afs 952 55 high pressure cutoff air switch.

Gas pilot valve gpv ignition transformer it gas pilot vent valve gpvv if provided flame detector circuit. The airflow switch is wired in the preignition interlock circuit of a flame safeguard control. The air proving switch for the combustion air blower will close upon movement of air. A pressure switch is designed to sense the negative pressure created by the draft inducer motor during the furnace startup and.

Currently we have 2 types of air proving switches. The switch is there to prevent the furnace from running unless the correct venting air pressure is present. Combustion air proving switch caps atomizing air proving switch aaps if provided low fire proving circuit. Combustion air proving kit with burner cut off the carlin cap combustion air proving system a superior solution for meeting combustion air code requirements.

Connecting the combustion air blower motor specifications rated voltage. Once the proving switch has closed the call for heat will initialize the burner firing sequence. With a gun burner this is located on the air plenum just before the burner s blast tube. Low fire switch lfs pilot ignition circuit.

Cleveland controls afs 951 and an old honeywell that i cannot read the part number. With an integral burner the switch is mounted on the front head which also serves as the air plenum.