AC Input/Output Cleaning of Bag House Dust Collectors.


Collectrol Model 22 sequencers have been used world-wide to switch dampers, solenoids or shakers, used in mainly dust-collector systems, since 1973. They are very reliable and rugged units that do not require routine maintenance. Their design makes them suitable for any continuous sequencing application. 

The Model 22 is a  solid state device producing a pulse of current from each of ten outputs. Light Emitting Diodes indicate the selected output circuit. A single light is ON for the period its output is selected  and goes OFF when the next circuit is selected. It also switches off then on again for the short PULSE ON period.

Pulse ON and PULSE OFF times can be changed by adjusting the ON and OFF timing controls respectively. Field wires are connected to Barrier type Terminal Strips. A metal oxide varistor provides transient suppression across the L1 and L2 input lines. A fuse is located left of terminal strip. 


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