Technical Data Enclosure; Pressurized Enclosure System Settings - SICK GM32 Ex Operating Instructions Manual

12.11.2

Technical data enclosure

12.11.3

Pressurized enclosure system settings

8015558/1O6S/V1-9/2024-08 | SICK
Subject to change without notice
• Consumption
Inlet temperature
Primary pressure
• Max.:
• Min.:
Free volume:
Minimum overpressure:
Maximum overpressure:
Prepurging during start-up
Typical pre-purge time:
WARNING
Risk of explosion through incorrect parameter settings
Unauthorized changing of parameters can cause an explosion with fatal consequences.
Never change parameters without authorization.
►
Enclosure pressurization system used: Gönnheimer FS850S for use in Ex zone 2.
FS850S parameters
Valve control
Operating mode
Purge volume, pre-purge
Nominal purge pressure
Minimum pressure in enclosure 0.8 mbar (0.012 psi) (relative)
Maximum pressure in enclo‐
sure
Nominal pressure in enclosure
Signal pressure
Max. 0.6 l/min
-20 ... +40 °C (-4 ... +104 °F)
2500 hPa (2.5 bar) (36 psi) (relative)
2000 hPa (2 bar) (30 psi) (relative)
40 l (2440 in3)
80 Pa (0.8 mbar) (0.012 psi) (relative)
1800 Pa (18 mbar) (0.26 psi) (relative)
Approx. 6 minutes
Setting
Proportional valve (P-valve)
Leakage compensation (purging not continuous)
500 l (30000 in 3 )
10 mbar (0.145 psi) (relative)
18 mbar (0.26 psi) (relative)
2 mbar (0.03 psi) (relative)
1.5 mbar (0.022 psi) (relative)
O P E R A T I N G I N S T R U C T I O N S | GM32 Ex
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TECHNICAL DATA
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