Atec 8000, Operation And Maintenance Manual, Page: 10 / 80

4 Atmospheric Technology
3.1.2 Sampler Components
This section describes the general operation and major components of the ATEC
Model 8000 Automated Sampler. Shown here is a schematic diagram of the
sampler. Air enters the sampler to the inlet valve. The inlet valve is normally closed
and allows leak checking of the entire flow system. Out of the inlet valve, the air
passes through the ozone scrubber and filter, and then enters a solenoid manifold.
When a selected port is activated, the air stream passes through the inlet solenoid,
through the cartridge, and returns to the outlet solenoid valve. Two solenoids are