Burkert 8681 - Basic Safety Instructions; Explosion Protection Warnings; Electrical Safety Precautions; General Hazardous Situations

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Basic Safety Instructions
3 BASIC SAFETY INSTRUCTIONS
These safety instructions do not consider any contingencies or incidents which occur during installation,
operation and maintenance.
Theoperatorisresponsibleforobservingthelocation-specicsafetyregulations,alsowithreferencetothe
per son nel.
DANGER!
Danger of explosion in a potentially explosive atmosphere (only in the event of a fault as zone 2)!
` Opening the hood or the housing in a potentially explosive atmosphere is only allowed in a not energised
state!
` Secure the housing with a lead seal to prevent it from being opened without a tool!
` ActivatingtheDIPswitchesonthePCB,usingtheserviceinterfaceandtheTeachbuttons,isnot per-
mitted in a potentially explosive atmosphere!
` Layers of dust on the housing may not exceed 5 mm! Lint, conductive and non-conductive dust par-
ticles are allowed. The inside of the housing must not be dirty!
` When wiping the control head, use a damp or anti-static cloth in the potentially explosive atmosphere to
prevent electrostatic charges!
` Use only cables and cable glands which have been approved for the respective application area and
which have been screwed into place according to the respective installation instructions!
` Close all unnecessary openings with locking screws/sealing plugs approved for explosions area!
WARNING!
Danger – high pressure in the plant / at the device!
` Beforelooseninglinesandvalves,turnothepressureandventthelines.
Risk of electric shock!
` Beforereachingintothesystem(exceptfortheTeachprocedureinanon-explosiveatmosphere)switch
othepowersupplyandsecureittopreventrestarting!
` Observeapplicableaccidentpreventionandsafetyregulationsforelectricalequipment!
General hazardous situations.
To prevent injuries:
` Operate the device only in perfect status and in consideration of the operating instructions.
` Observe the general rules of technology.
` Install the device according to the regulations applicable in the respective country.
` Only trained technicians may perform installation and maintenance work.
` Perform installation and maintenance with suitable tools only.
` Do not make any unauthorised internal or external changes to the device!
` Ensure that the system cannot be activated unintentionally.
` Aftertheprocessisinterrupted,restartinacontrolledmanner.Observesequence:rstconnectelectri-
cal or pneumatic power supply, than charge the device with medium.
english
Control Head Type 8681