WAGNER VU 1 - Page 62

62
VERSION 03/2020 ORDER NUMBER DOC2330732
VU 1/VU 2/VU 3
Section Type of inspection Requirements Inspection
by
Type of inspection Inspection
interval
1 Ground leaking resistance
from the work piece
attachment point
The resistance to ground of every
work piece's attachment point must
not exceed 1 M (measurement
voltage must be 1000 V). The form
of construction of the work piece
mount must guarantee that the
work pieces remain grounded
during coating.
SP ME/CM
Measure resistance to ground
(work piece receiver - ground
potential) max. 1 M @ 1000 V.
weekly
2 Link between technical
ventilation equipment and
high voltage, compressed air
and powder feed
The technical ventilation should
be interlocked such that the
powder feed and high voltage
cannot be switched on, while the
technical ventilation is not working
eectively.
SP FT
Test whether the system is safely
stopped and the powder feed, supply air, and high voltage are switched o when the ventilation
is shut down.
annually
3 Protection against ignition of
ignitable cleaning agents
If ignitable cleaning uids are used,
all parts carrying high voltage
must be discharged to a discharge
energy of less than 0.24 mJ, once
the high voltage has been switched
o, before they can be reached.
SP ME/FT
Function test of the residual
energy monitoring equipment
according to the manufacturer's
instructions.
as per the
manufacturer's
instructions
Legend:
MF = Manufacturer FT = Function test
ER = Employer ME = Measurement
SP = Skilled person OC = Organization check
FPO = Fire prevention ocer VI = Visual inspection ELT = Electrician CM = Constant monitoring
TP = Trained person TT = Technical testing