Sterlco SDAP 90-225 CFM Series Drying and Conveying Systems - Manual (Page 31)

SDAP Series PD 2 to PD 4 Drying and Conveying Systems Page 31
Material Loading Light
The Material Loading indicator lights when material is being conveyed.
Optional Dirty Filter Light
If installed, the Dirty Filter alarm indicator lights when the pressure differential across the
process, regeneration and conveying air return filter exceeds the pressure switch setting. Service
the filter when this indicator lights. The indicator and the alarm condition clears after you service
and reinstall the filter.
Figure 10
Typical SDAP Interface Panel