Pentair STA-RITE SAND DOLLAR Guide D'installation Et D'utilisation page 13

Chemical Cleaning
1. It is recommended that a specialty filter cleaning solution be used.
These cleaners will remove oils, scale and rust from the sand bed
in one cleaning operation.
2. Mix the solution following the manufacturer's instructions on the
label.
3. Backwash the filter with the valve as described above.
4. If the filter is below pool level, switch pump off and close the
appropriate valves to prevent draining the pool.
5. Switch off pump, open filter drain and allow filter to empty. Place
valve in "Backwash" position.
6. After the filter has drained, close the filter drain and remove the
pump strainer pot lid.
7. Be sure the backwash lines are open.
8. Switch the pump on and slowly pour the cleaning solution into the
pump strainer with the pump running. If filter is below pool, open
shut off valve slightly to allow pump to run.
9. Continue adding solution until the sand bed is saturated with
cleaning solution.
10. Switch off the pump and leave filter in "Backwash" position. Allow
the filter to stand overnight (12 hours).
11. Replace the pump lid and follow backwash procedure as
described above.
12. Do not allow cleaning solution to get into the pool.
SAND DOLLAR and CRISTAL-FLO™ II Top Mount Sand Filter Installation and User's Guide
®
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