Ransburg RMA Dual Purge Direct A12300 - Manual (Page 37)

RMA-303 Dual Purge/Direct Charge - Installation
32
6 X 4mm OD (Yellow)
4mm OD (5/32") (Yellow)
10 X 7mm OD (Natural)
8 X 6mm OD (Gray)
8 X 6mm OD (Blue)
6 X 4mm OD (Orange)
4mm OD (5/32") (Green)
4mm OD (5/32") (Gray)
4mm OD (5/32") (Blue)
4mm (5/32") (Natural)
4mm (5/32") IBlack)
Bearing Air Supply(BA/PT)
Bearing Air Return (BA RTN)
Turbine Air (TA)
Cut-In Air (SAO/FA)
Pattern Control Air (SAI/AA)
Brake Air (BRK)
Paint Valve #1 (P1T)
Dump Valve #1 Control (P1D)
Solvent Valve Control (ST/RP)
Paint Valve #2 Control (P2T)
Dump Valve #2 Control (P2D)
1/4" OD X .170" ID (Yellow)
4mm (5/32") (Yellow)
3/8" OD X .275" ID (Green)
3/8" OD X .275" ID (Gray)
3/8" OD X .275" ID (Blue)
1/4" OD X .170" ID (Orange)
4mm OD (5/32") (Green)
4mm OD (5/32") (Gray)
4mm OD (5/32") (Blue)
4mm (5/32") (Natural)
4mm (5/32") (Black)
TUBE SIZE / AIR PRESSURE REQUIREMENTS
90 psi±10 (621 ± 69 kPa)
80 psi ± 20 (at atomizer card)
(552 ± 138 kPa)
Variable
Variable
Variable
60-100 psi (414-689 kPa)
80 psi +/- 10 552 ± 70 kPa)
80 psi +/- 10 552 ± 70 kPa)
80-100 psi (552-873 kPa)
80 psi ± 10
(552 ± 70 kPa)
80 psi +/- 70 kPa)
Air Pressure
Requirements Metric Tube Bundle Fractional Tube Bundle
In electrostatic coating systems, the flow of high
voltage power from the power supply to the
atomizer is insulated from ground and isolated
from all other functions and equipment. When
the voltage reaches the atomizer, it is transferred
to the coating material where, by introducing a
negative charge, it causes the atomized fluid to
seek the nearest positive ground. In a properly
constructed and operated system, that ground
will be the target object.
The directed conduction of the electric charge
through its array of wires, cables, and equipment,
is accompanied by a variety of stray electrical
charges passing through the air by various means
such as: air ionization, charged particles in the
air and radiated energy. Such charges may be
attracted to any conductive material in the spray
area. If the conductive material does not provide
a safe drain to electrical ground, which will allow
the charge to dissipate as fast as it accumulates,
it may store the charge. When its electrical stor-
age limit is reached, or when it is breached by
external circumstances (such as the approach
of a grounded object or person, or one at lower
potential), it may discharge its stored charge to the
nearest ground. If there is no safe path to ground
(such as a ground wire or braided cable) it may
discharge through the air as a spark. A spark may
ignite the flammable atmosphere of a spray area.
The hazard area extends from the point of origin
up to as much as a twenty-foot radius. See the
NFPA Bulletin 33 for definition and limitations of
a hazard area.
It is a simple, but vital matter to be sure that all con-
ductive objects within the spray area are grounded.
All cabinets, housing, bases, supports and stands,
which are not by design, insulated from ground,
MUST be connected directly and INDIVIDUALLY
to earth ground. Resting on a concrete floor or
being attached to a building column may not
always be sufficient ground. In order to provide
the best ground connection possible, always at-
tach a ground wire or insulated braided cable to
the terminal indicated by the ground symbol and
then to a proven ground. Always check ground
connections for integrity. Some items, such as
rotators and paint stands, may be supported on
an insulator, but all components of the system up
to the insulator MUST be grounded.
EQUIPMENT GROUNDING & SAFETY
RECOMMENDATIONS
Ransburg
LN-9263-08.5