Pentair EVERPURE EZ-RO 375/16ATM-BL Installation & Operation Manual page 19

FILTER CHANGE AND FLUSHING PROCEDURE (CONTINUED)
FLUSH PREFILTER AND MINERAL CARTRIDGES
8. Turn reject flush valve to open position
(pointing down).
9. Close the permeate sample port valve (pointing left).
10. On the TO TANK LINE – Run Tee sample line into
bucket or drain. Open tee sample port. Water will
flush out of this line.
11. Turn inlet valve to open position.
• Water will start to fill prefilter and mineral
cartridges. Water will run from reject/sample port
and tank sampling valve.
• The solenoid valve needs to remain open; a
permeate flow test may be required again if the
ATM system status light is green. See image 4.
12. Flush prefilter and mineral addition for five minutes
or until water runs clear.
RETURN EXISTING RO MEMBRANE OR REPLACE
WITH NEW RO MEMBRANE (IF REQUIRED)
13. Turn processor inlet valve to closed position.
(horizontal).
14. The pressure gauge will reduce to 0 psi.
15. Remove membrane bypass plug (turn 90 degrees,
left and pull down). Store under cover.
16. Insert RO membrane into the farthest right position
(insert and turn 90 degrees to right).
17. Turn inlet valve to open position (vertical).
• Water will start to flush through membrane.
Water will run from reject and TO TANK line
sample port when solenoid valve is still open.
IF REUSING EXISTING MEMBRANE, SKIP TO STEP 22
PENTAIR EZ-RO INSTALLATION AND OPERATION GUIDE
reject
flush
valve
8
tank tank
sampling sampling
valve valve
10
(open) (open)
12
14
16
permeate permeate
sample sample
port port
9
valve valve
11
13
remove remove
plug plug
15
17
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