Start-Up - Samson 4749 Mounting And Operating Instructions

7 Start-up

The work described in this section is only to be performed by personnel appropriately quali-
fied to carry out such tasks.
DANGER
!
Risk of fatal injury due to the ignition of an explosive atmosphere.
Î Installation, operation or maintenance of the position transmitter must only be performed
by personnel with qualifications according to Clause 4.5 of IEC 60079-14 who has un-
dergone special training or instructions or who is authorized to work on explosion-pro-
tected devices in hazardous areas.
DANGER
!
Loss of the explosion protection due to damage to the cover's thread and/or the
connecting thread.
Î Do not open devices with flameproof enclosures while they are energized.
WARNING
!
Opening the position transmitter in potentially explosive dust atmospheres will render the
explosion protection unsafe.
Î Do not open the enclosure cover of the position transmitter in potentially explosive dust
atmospheres.
NOTICE
!
Risk of malfunction due to calibration not being performed.
Î Perform calibration before initial start-up.
Î Calibrate the position transmitter after changing the mounting position.
EB 4749 EN
Start-up
7-1