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Installation
Installing the System
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.
D Do not install or service this equip-
ment unless you are trained and
qualified.
D Be sure your installation complies with National,
State and Local codes for the installation of
electrical apparatus in a Class I, Group D
Hazardous Location.
D Comply with all applicable local, state, and
national fire, electrical, and other safety regula-
tions.
Fig. 1 shows a typical electrostatic UNICARB spray
system. It is not an actual system design. The particu-
lar type and size system for your operation must be
custom designed for your needs. For assistance in
designing a system, contact your Graco distributor.
Warning Signs
Mount warning signs in the spray area where they can
easily be seen and read by all operators. An English
Warning Sign is provided with the gun. Additional
English, French, German, and Spanish signs are
available at no charge. See Accessories to order
them.
Ventilate the Spray Booth
WARNING
FLAMMABLE OR TOXIC
VAPOR HAZARD
Provide fresh air ventilation to avoid the
buildup of flammable or toxic vapors. Do
not operate the gun unless ventilation
fans are operating.
Electrically interlock the gun air supply with the ventila-
tors to prevent gun operation without ventilating fans
operating. Check and follow all National, State, and
Local codes regarding air exhaust velocity
requirements.
NOTE: High velocity air exhaust will decrease the
operating efficiency of the electrostatic system. Air
exhaust velocity of 100 ft/min (31 linear meters/minute)
should be sufficient.
Air Line Accessories (Refer to Fig. 1)
1. Install an air shut-off valve ( P) on each gun air
supply line (Q) to shut off air to the gun(s).
2. Install an air regulator (N) on the gun air supply
line to control air pressure to the gun.
3. Install an air line filter (B) on the air supply line to
ensure a dry, clean air supply to the gun. Dirt and
moisture can cause the gun to malfunction.
WARNING
COMPONENT RUPTURE HAZARD
To reduce the risk of serious injury due
to component rupture, supply pressure
must be limited.
The fluid supply system must be prevented from
producing a fluid pressure greater than the 3000
psi (207 bar, 20.7 MPa) Maximum Working Pres-
sure of the spray gun.