SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
32 A5E03434645-01, 08/2011
WARNING
Hot, toxic or corrosive process media
Danger of injury during maintenance work.
When working on the process connection, hot, toxic or corrosive process media could be released.
● As long as the device is under pressure, do not loosen process connections and do not remove any parts that are
pressurized.
● Before opening or removing the device ensure that process media cannot be released.
WARNING
Improper connection after maintenance
Danger of explosion in areas subject to explosion hazard.
● Connect the device correctly after maintenance.
● Close the device after maintenance work.
Refer to Chapter "Connecting the device (Page 21)".
WARNING
Use of a computer in a hazardous area
If the interface to the computer is used in the hazardous area, there is a danger of explosion.
● Ensure that the atmosphere is explosion-free (hot work permit).
CAUTION
Releasing key lock
Improper modification of parameters could influence process safety.
● Make sure that only authorized personnel may cancel the key locking of devices for safety-related applications.
CAUTION
Hot surfaces
Danger of burns during maintenance work on parts having surface temperatures exceeding 70 °C (158 °F).
● Take corresponding protective measures, for example by wearing protective gloves.
● After carrying out maintenance, remount touch protection measures.
CAUTION
Hazardous voltage with open device in versions with 4-conductor extension
Danger of electrocution when the enclosure is opened or enclosure parts are removed.
● Disconnect the device before you open the enclosure or remove enclosure parts.
● Observe the special precautionary measures if maintenance is required while the device is live. Have maintenance
work carried out by qualified personnel.
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