Mix Manifold Valve Settings - Graco ProMix 2KS Operation

(for complete system troubleshooting, see Table 11 beginning on page 74)
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 7 and
F . 59.
IG
Valve
Dose
(F . 59)
IG
Purge
(F . 59)
IG
Shutoff
(SVA and
SVB, F . 67)
IG
Sampling
(RVA and
RVB, F . 67)
IG
312776B
Table 6: Dynamic Dosing Troubleshooting Guide
. 56) •
IG
•
•
•
•
•
•
•
•
•
Table 7: 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
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 . 59. 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.
System Operation
E
TI11581a
47