quiet burner light-offs

it transitions immediately to the heat-up phase upon a call for heat

or the unit failing to initiate the ignition sequence despite a call for heat

the metering orifice is equipped with a fine-mesh screen to prevent contaminants from clogging the oil return path

What is the purpose of the 'plugged pilot' feature

Carrier P502-8084S Filter Drier 322057-301 quiet burner light-offsThe Carrier P502 8084S is a high capacity liquid line filter drier designed for HVAC system protection and moisture removal in residential and light commercial applications. Featuring 1 2" ODF solder connections, this solid core drier utilizes a specialized blend of molecular sieve and activated alumina to effectively capture acid, moisture, and debris that can lead to compressor failure or TXV clogging. Engineered for use with R 410A and R 22