19
VM 500
B_03234
R max < 1 MΩ
OPERATING MANUAL
EDITION 03/2012 PART NUMBER DOC 2318724
Earthing scheme (example)
Conveyor
Control unit
Earthing
cable
Spraying stand
Floor, derivable
Work piece
Material
supply
Paint container
The imperfect earthing of a work piece will result in:
•
Very poor wrap-around.
•
Uneven coating thickness.
•
Back spraying to the spray gun (contamination) and coater.
The prerequisites for perfect earthing and coating are:
•
Clean work piece suspension.
•
Earthing of spray booth, conveyor system and suspension on the building side in
accordance with the operating instruction or the manufacturer‘s information.
•
Earthing of all conductive parts within the working area.
•
The earthing resistance of the work piece may not exceed 1 M (Mega Ohm).
Note:
Resistance to earth measured with 500 V or 1000 V.
•
Connect the control unit to the mains system earth.
Note for the sprayer
The work shoes and if used
the gloves must be
derivable.
WARNING
Heavy paint mist if earthing is insufficient!
Risk of poisoning
Insufficient paint application quality
Earth all unit components.
Earth the workpieces being painted.
SIHI_0003_GB
Minimum cable cross-section
Control unit 4 mm² (AWG 12)
Material supply 4 mm² (AWG 12)
Paint container 4 mm² (AWG 12)
Conveyor 16 mm² (AWG 6)
Booth 16 mm² (AWG 6)
Spraying stand 16 mm² (AWG 6)
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