6500 Series Purge and Pressurization System
I/O Manual
40
Danger!
Gas and combustible dust locations
proper certification body or AHJ will have to be consulted.
Dilution applications
Startup for dilution applications will be the same as the standard, but the conditions for operating the
equipment may require action to be taken if the flow rate used for dilution falls below its minimum set-point.
An alarm is activated for the minimum flow-point, but for de-energizing the enclosure contacts, the minimum
overpressure is used. This can be referenced to a flow from the Flow vs Enclosure Pressure Cures for Set-
Point Value.
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