Siemens SITRANS P DS III Operating Instructions Manual page 41

Incorrect mounting at Zone 0
Danger of explosion in hazardous areas.
• Ensure sufficient tightness at the process connection.
• Observe the standard IEC/EN 60079-14.
Danger with "flameproof enclosure" protection
Danger of explosion in hazardous areas. An explosion may be caused by hot gas escaping
from the flameproof enclosure if there is too little space between it and the fixed parts.
• Ensure that there is a space of at least 40 mm between the flameproof joint and the
①
Loss of explosion protection
Danger of explosion in hazardous areas if the device is open or not properly closed.
• Close the device as described in Chapter "PROFIBUS assembly guidelines (Page 66)".
SITRANS P DS III with PROFIBUS PA
Operating Instructions, 06/2013, A5E00053276-07
WARNING
WARNING
fixed parts.
Flameproof joint
WARNING
Installing / mounting
4.1 Basic safety instructions
41