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309293J 9
Installation
System Requirements
A safe, well designed voltage isolation system should
have the following features:
• All components of the isolation system that are
charged to high voltage must be contained within an
enclosure that prohibits persons from making con-
tact with the high voltage components before the
system voltage is discharged.
• A bleed resistor to drain off the system voltage when
the spray gun is not in use.
• The system should not have any severe arcing
occurring when the isolation mechanism opens and
closes. Severe arcing will shorten the life of the sys-
tem components.
• The system must include a means for automatically
discharging the system voltage when anyone opens
the isolation enclosure.
Warning Sign
Mount the warning sign, Part No. 186118, in the spray
area where it can be seen and read by all operators.
Additional warning signs are available at no charge.
Install the System
FIG. 2. on page 10 shows a PRO Xs electrostatic water-
borne air spray system. For assistance in designing a
system to suit your particular needs, contact your Graco
distributor.
CAUTION
The Graco warranty is void if the spray gun is con-
nected to a non-Graco voltage isolation system or if
the gun is operated above 60 kV.
WARNING
Fire, Explosion, and Electric Shock Hazard
Installing and servicing this equipment
requires access to parts which may cause
electric shock or other serious injury if work
is not performed properly.
• Do not install or service this equipment
unless you are trained and qualified.
• Be sure your installation complies with all
National, State and Local safety and fire
codes, NFPA 33, NEC 504 and 516, and
OSHA standard 1910.107.