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System Operation
88 312779E
Mix Manifold Valve Settings
To open dose or purge valves, turn hex nut (E)
counter-
clockwise
. To close, turn
clockwise.
See Table 13 and
F
IG
. 99.
Table 12: Dynamic Dosing Troubleshooting Guide
(for complete system troubleshooting, see Table 17 beginning on page 116)
Warning/Alarm Message Solution
B Pressure Too Low (see F
IG
. 96) • Increase B pressure.
• Clean restrictor or use a larger size.
• Verify B valve is opening properly.
B Pressure Too High • Increase A pressure or decrease B pressure.
• Use a smaller restrictor.
Off Ratio Low • Increase A pressure or decrease B pressure.
• Use a smaller restrictor.
Off Ratio High • Increase B pressure.
• Clean restrictor or use a larger size.
• Verify B valve is opening properly.
F
IG
. 99. Valve Adjustment
E
TI11581a
Table 13: Mix Manifold Valve Settings
Valve Setting Function
Dose (see
F
IG
. 99)
Hex nut (E) 1-1/4 turns out
from fully closed
Limits maximum fluid flow rate into integrator
and minimizes valve response time.
Purge (see
F
IG
. 99)
Hex nut (E) 1-1/4 turns out
from fully closed
Limits maximum fluid flow rate into integrator
and minimizes valve response time.
Shutoff (SVA
and SVB,
see F
IG
. 91)
Fully open during Run/Mix
operation
Closes component A and B ports to integrator
during ratio check or meter calibration. Open
ports during Run/Mix operation.
Sampling
(RVA and
RVB, see
F
IG
. 91)
Fully closed during Run/Mix
operation
Open to dispense component A and B while
calibrating meters. Do not open sampling
valves unless fluid shutoff valves are closed.