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Fluid Circulati
on
Fluid Circula
tion
Circulation T
hrough Reactor
NOTICE
Do not circul
ate fluid containing a blowing agent
without cons
ulting with your material supplier
regarding fl
uid temperature limits.
To circulate through gun manifold and preheat hose,
see Circulation Through Gun Manifold, page 60.
1. Follow Sta
rtup, page 55.
To avoid injection injury and splashing, 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.
2. See Typical Installation, with circulation, page 13.
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 102.
3. Set PRESSURE R
ELIEF/SPRAY valves (SA,
SB) to PRESSURE RELIEF/CIRCULATION
.
SA
SB
GA
GB
4. Set temperature targets. See Targets, page 50.
5. Press
to circulate fluid in jog mode until
A and B temperatures reach targets. See
Jog Mode, page 60 for more information about
jog mode.
6. Press
to
turn on the hose heat zone.
7. Turn on
the A and B heat zones. Wait until the
fluid in
let valve temperature gauges (FV) reach
the min
imum chemical temperature from the
supply
drums.
8. Exit j
og mode.
9. Set PR
ESSURE RELIEF/SPRAY valves (SA,
SB) to SPRAY
.
SB
SA
GA
GB
3A1705J 59