Pentair S7D75 Water Dispenser User Manual


 
11
collars may need to be cleaned before reassembly.
10. Follow filter assembly procedure, Page 8.
To avoid severe injury or major property damage, exactly follow
instructions under “Assembly” (Page 8)!
11. If unit is returning to service, see “Initial Startup”, Page 7.
12. If cleaning is part of seasonal shutdown, see “Winterizing”, Page 12.
CHEMICAL CLEANING
PROCEDURE
Before Disassembling Filter:
1. STOP PUMP.
2. OPEN air release valve.
3. WAIT until all pressure is released from filter tank and system
before loosening clamps.
NOTICE: Do not expose element cloth to direct sunlight for long periods.
Direct sunlight will cause the cloth to deteriorate.
NOTICE:To avoid damaging fabric, do not allow filter element to rub on con-
crete or any abrasive surface during cleaning.
NOTICE: Clean filter manually before doing any chemical cleaning.
Filter Disassembly:
To avoid severe injury or major property damage exactly follow
instructions under “Disassembly” (Page 8)!
1. Disassemble and inspect element grid assemblies for tears and worn
areas. Replace as needed.
2. Rinse each grid thoroughly with water.
3. Wash each grid with a mild soap solution or commercial filter cleaner. If
necessary, soak element grids in filter cleanser to remove buildup of oils,
etc.
4. Rinse thoroughly to remove all soap film.
5. If filter elements do not come clean after soaking, have your pool profes-
sional acid clean them.
Risk of burns, explosions, and environmental damage. Only
trained professionals should attempt to acid clean filter elements.
7. Reassemble element grids.
8. Inspect inside of filter tank and remove any debris which remains after
backwashing.
9. Thoroughly clean air relief filter screen (Key No. 2, Page 15) on top of
manifold. Be sure to remove all debris from screen. Replace filter screen if
damaged.
10. Follow filter assembly procedure, Page 8.
To avoid severe injury or major property damage, follow instructions
under “Assembly” (Page 8)!
11. If unit is returning to service, see “Initial Startup”, Page 7.
Hazardous pressure.
Can cause severe
injury or major
property damage
from tank blow up.
Release all pressure
and read instructions
before working on filter.