6500 Series Purge and Pressurization System
I/O Manual
42
• Programming Menu
SETUP PASSWORD PURGE SETTINGS
UNITS
INPUT SETTINGS
OUTPUT SETTINGS
PASSWORDS
LANGUAGE
BYPASS CONTROL
BLUETOOTH SETTINGS
FACTORY RESTORE
BOOTLOADER MODE
SYSTEM RESET
FACTORY RESTORE
• Purge Settings
PURGE TYPE Px or Py
ENCLOSURE VOLUME USER DEFINED
NUMBER OF EXCHANGES 5 TO 19
ENVIRONMENT GAS, DUST, BOTH
PRESSURES MAX, LOW, MINIMUM
TIMERS SHUTDOWN, UNLOCK
OPERATION MODE SA, FA
VENT FLOW CONTROL STANDARD, DILUTION
VALVE CONTROL DIGITAL, PROPORTIONAL
DILUTION SETTINGS PURGE FLOW, DILUTION FLOW SP, MIN FLOW SP
PURGE TYPE – User-defined. W/O selections allow the system to operate as an ‘Ex px’ (nonhazardous to
Zone 1/21) or ‘Ex py (Zone 2/22 to Zone 1/21).
Selection: ‘px’ or ‘py’
Default: ‘px’
ENCLOSURE VOLUME – User-defined. For free volume of enclosure to be pressurized.
Default: 0 cu.m
NUMBER OF EXCHANGES – User-defined. Number of exchanges is the amount of enclosure volume
changes for purging.
Selection: 5 to 19. 5 is the minimum for the applicable standards
Default: 5
ENVIRONMENT – User-defined. The hazardous area classification the pressurized enclosure will be
located in. GAS requires purging. DUST requires cleaning out the enclosure before powering. Both require
cleaning out the enclosure then purging before enclosure contacts are on.
Selection: GAS, DUST, BOTH
Default: GAS
Danger!
proper certification body or AHJ will have to be consulted for an environment that is both.
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