User's Manual
Repair
c. Connect green tubing (G) from the DOWN
OPEN fitting to the 90° tube fitting on the side
of the OUTLET DOWN dosing valve.
d. Connect red tubing (R) from the DOWN
CLOSED fitting to the 90° tube fitting on the
end of the OUTLET DOWN dosing valve.
3. Repeat these steps for each pump in your
system.
See the following table to understand the relationship
between pump stroke and dose valve actuation.
Table1DoseValveActuation
Pump
Stroke
Up Inlet
Valve
Down
Inlet
Valve
Up
Outlet
Valve
Down
Outlet
Valve
Up
Open Closed Open Closed
Down
Closed Open Closed Open
INLET UP
OUTLET UP
OPEN
CLOSED
G
R
G
R
CLOSED
OPEN
UP
PIN 1
PIN 5
EXH
INLET DOWN
OUTLET DOWN
OPEN
CLOSED
G
R
G
R
CLOSED
OPEN
DOWN
EXH
PORT 7
PIN 2
PIN 6
PORT 7
Figure 19 Pump Tubing Schematic
332456B 19










