Fluid Circulation
312065V 31
Fluid Circulation
Circulation Through Reactor
Do not circulate fluid containing a blowing agent
without consulting with your material supplier
regarding fluid temperature limits.
To circulate through gun manifold and preheat hose,
see Circulation Through Gun Manifold, page 32.
Do not install shutoffs downstream of the
PRESSURE RELIEF/SPRAY valve outlets (BA,
BB). The valves function as overpressure relief
valves when set to SPRAY
. Lines must be
open so valves can automatically relieve pressure
when machine is operating.
1. Follow Operation procedures, page 25.
2. See Typical Installation, with circulation, page
12. Route circulation lines back to respective
component A or B supply drum. Use hoses rated at
the maximum working pressure of this equipment.
See Technical Specifications, page 39.
3. Set PRESSURE RELIEF/SPRAY valves (SA, SB) to
PRESSURE RELIEF/CIRCULATION .
4. Turn main power ON .
5. Set temperature targets see Set temperatures,
page 27. Turn on and heat zones by
pressing . Do not turn on heat zone
unless hoses are already loaded with fluid.
6. Press to display actual temperatures.
7. Circulate fluid in jog mode until and
temperatures reach targets.
8. Turn on heat zone by pressing .
9. Set PRESSURE RELIEF/SPRAY valves (SA, SB) to
SPRAY .
SA
SB
A
B
A
B
WLD
SA
S
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