Recirculate
312359R 39
Recirculate
With Heat
NOTE (Recirculating With Heat): Using recirculation
mode when heating the material is required. Note the
temperature at the top of the primary Viscon HF fluid
heaters (outgoing or back to hopper). When the
thermometer and display reach operating temperature,
the material is ready to spray.
Without Heat
NOTE (Recirculating Without Heat): If using a system
that does not require heat, recirculation is still required
prior to spraying. Recirculation ensures that any settled
fillers are mixed in, the pump lines are fully primed, and
the pump check valves are operating smoothly.
1. Follow Prime, page 36.
2. Close mix manifold valves (AH, AJ).
3. Ensure recirculation hoses are in the correct
hoppers.
4. Open recirculation valves (AC, AD).
.
5. Select pumps to recirculate by pressing to
scroll through: , , or .
6. Turn on the main air shutoff valve (CA). Use system
air regulator (CD) to slowly increase the air pressure
to the pumps until they start running slowly.
7. Run the pumps until the material has reached the
desired temperature. Follow Heat Fluid, page 40.
8. Once desired temperature is reached, press .
9. Turn off the main air shutoff valve (CA).
10. Close recirculation valves (AC, AD).
11. Follow Spray, page 41.
NOTE: If you circulate the A side pump at pressures
greater than 3000 psi (21 MPa, 210 bar), an advisory is
issued and the yellow LED on the display illuminates.
This is a reminder to select Spray mode prior to spraying
and to circulate at a lower pressure to avoid excessive
pump wear.
If you circulate the A side pump above 5200 psi (35.4
MPa, 354 bar), an alarm shuts the pump down to
prevent accidentally spraying material while still in
circulation mode.
AH
AJ
AD
AC
CD
CA
CA
AC
AD
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