WARNING
Risk of explosion through incorrect parameter settings
Incorrect parameter setting can cause an explosion with fatal consequences.
b
Only authorized persons are allowed to change the parameters.
Enclosure pressurization system used: Gönnheimer FS840 for use in Ex zone 2.
FS840 parameters
Setting
Valve control
Digital valve
Operating mode
Constant purge flow
Purge volume, pre-purge
165 l (10 068 in
3
)
Nominal purge pressure
10 mbar (0.145 psi) (relative)
Minimum pressure in enclosure
0.8 mbar (0.012 psi) (relative)
Maximum pressure in enclo‐
sure
18 mbar (0.26 psi) (relative)
Nominal pressure in enclosure
2 mbar (0.03 psi) (relative)
Signal pressure
1.5 mbar (0.022 psi) (relative)
TECHNICAL DATA
12
8019532/100Q/V1-1/2018-08 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
93
Subject to change without notice