Connecting the Pump Continuous Seal Wash (Optional)
Doc. 065294-01 3/09
103
23.
Connecting the Pump Continuous Seal Wash
(Optional)
The pump includes a seal wash assembly that can be set up to continuously rinse
the back of the piston seals to remove salt crystals and prolong the life of the seals.
Follow the steps below to set up this feature.
shows the seal wash plumbing after all connections are complete.
1. Fill a flush bottle with either deionized water or a combination of deionized
water and 10% or 20% isopropyl alcohol. (Isopropyl alcohol will inhibit
bacterial growth in the water.)
2. Place the flush bottle on top of the IC system. During operation, gravity
maintains flow through the pump heads.
Figure 102. Piston Seal Wash Flow Schematic
Waste
Container
Insert black tubing into
end of waste line
Tubing, 15 cm (6 in) long
Tubing, 117 cm (46 in) long
Tubing, 152 cm (60 in) long
Primary
Pump Head
Secondary
Pump Head
Flush
Bottle
