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System Operation
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Start Up
1.
Go through the Pre-Operation Checklist in Table 8.
2.
Turn the AC Power Switch ON (I = ON, 0 = OFF).
Graco logo, software revision, and “Establishing
Communication” will display, followed by Status
screen. See page 22.
At power up the system defaults to Recipe 61,
which is not a valid recipe number. Initiate a
color change to Recipe 0 or a valid recipe num-
ber (1-60).
In bottom left corner, the system status dis-
plays, which can be Standby, Mix, Purge, or an
alarm notification
3.
Make sure that the Booth Control is working. The
active recipe number should display and the
Standby LED
should be lit.
4.
If this is the first time starting up the system, purge it
as instructed in
,
page 62. The equipment was tested with lightweight
oil, which should be flushed out to avoid contaminat-
ing your material.
5.
Make sure that the Booth Control is in Standby
mode
.
Table 8: Pre-Operation Checklist
Checklist
System grounded
Verify all grounding connections were made. See
the Installation manual.
All connections tight and correct
Verify all electrical, fluid, air, and system connec-
tions are tight and installed according to the
Installation manual.
Check air purge valve tubing
Check the air purge valve supply tube daily for
any visible solvent accumulation. Notify your
supervisor if solvent is present.
Fluid supply containers filled
Check component A and B and solvent supply
containers.
Mix manifold valves set
Check that mix manifold valves are set correctly.
Start with the settings recommended in
, page 53, then adjust as
needed.
Fluid supply valves open and pressure set
Component A and B fluid supply pressures should
be equal unless one component is more viscous
and requires a higher pressure setting.
Solenoid pressure set
75-100 psi inlet air supply (0.5-0.7 MPa, 5.2-7
bar)
F
IG
. 61. Power Switch
I = ON
TI12656a
F
IG
. 62. Status Screen