Mix Manifold Valve Settings - Graco ProMix 2KS Operation

System Operation
(for complete system troubleshooting, see Table 17 beginning on page 116)
Warning/Alarm Message
B Pressure Too Low (see F
B Pressure Too High
Off Ratio Low
Off Ratio High

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 . 99.
IG
Valve
Dose (see
F . 99)
IG
Purge (see
F . 99)
IG
Shutoff (SVA
and SVB,
see F . 91)
IG
Sampling
(RVA and
RVB, see
F . 91)
IG
88
Table 12: Dynamic Dosing Troubleshooting Guide
. 96) •
IG
•
•
•
•
•
•
•
•
•
Table 13: Mix Manifold Valve Settings
Setting
Hex nut (E) 1-1/4 turns out
from fully closed
Hex nut (E) 1-1/4 turns out
from fully closed
Fully open during Run/Mix
operation
Fully closed during Run/Mix
operation
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Solution
Increase B pressure.
Clean restrictor or use a larger size.
Verify B valve is opening properly.
Increase A pressure or decrease B pressure.
Use a smaller restrictor.
Increase A pressure or decrease B pressure.
Use a smaller restrictor.
Increase B pressure.
Clean restrictor or use a larger size.
Verify B valve is opening properly.
F . 99. Valve Adjustment
IG
Function
Limits maximum fluid flow rate into integrator
and minimizes valve response time.
Limits maximum fluid flow rate into integrator
and minimizes valve response time.
Closes component A and B ports to integrator
during ratio check or meter calibration. Open
ports 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.
E
TI11581a
312779E