turck TBIP-L 4FDI-4FDX Series, Manual, Page: 20 / 44

Operating Instructions
Before operation
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7.1.1 Mounting
Mounting the device in Zone 2 and Zone 22
In Zone 2 and Zone 22, the devices can be used in conjunction with the protective housing set
TB-SG-L (ID 100014865).
DANGER
Potentially explosive atmosphere
Risk of explosion through spark ignition
For use in Zone 2 and Zone 22:
„ Only install the device if there is no potentially explosive atmosphere present.
„ Observe requirements for Ex approval.
„ Unscrew the housing. Use Torx T8 screwdriver.
„ Replace the service window with the enclosed Ultem window.
„ Place the device on the base plate of the protective housing and fasten both together on
the mounting plate [
} 21].
„ Connect the device [ } 22].
„ Mount and screw the housing cover according to the following figure. The tightening
torque for the screws is 0.5 Nm.
Fig. 13: Mounting the device in protection housing TB-SG-L