Filter Maintenance; Cleaning Frequency; Chemical Cleaning Procedure - Pentair CLEARPRO TECHNOLOGY TR100 Installation And User Manual

Filter laterals extension kits
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Always visually inspect filter components during normal servicing to ensure structural safety. Replace any item which is cracked,
deformed or otherwise visually worn or damaged. Damaged filter components can allow the filter top or attachments to separate
and could cause severe bodily injury or property damage.

Cleaning Frequency

1. The filter on a new pool should be backwashed, and
cleaned after approximately 48 hours of operation
to clean out plaster dust and/or construction debris.
2. There are three different ways to identify when the
filter needs backwashing.
1) For pool systems with a flow meter, backwash
when the flow decreases 30% from the original
(clean filter) flow. This is the most accurate
indicator.
For example, if the original flow was 60 GPM,
backwash the filter when the flow is reduced by
about 20 GPM (or 30%) to 40 GPM.
2) Observe the amount of water flowing from the
flow directionals located in the wall of the pool.
Backwash the filter once it is detected that the
flow has been reduced by about 30%. This way
is more subjective and a less accurate indicator.
The most commonly used but less accurate
indicator is to backwash when the filter gauge
reading increases 10 PSI over the initial (clean
filter) reading.
3. It is important not to backwash the filter solely on
a timed basis such as every three days. It is also
important to note that backwashing too frequently
actually causes poor filtration. Factors like weather
conditions, heavy rains, dust or pollen, and water
temperature all affect the frequency of backwash.
As you use your pool, you will become aware of
these influences.
4. If at any time the starting pressure after backwash-
ing the filter indicates 4 to 6 PSI higher than normal
starting pressure, it is time to perform a chemical
cleaning procedure.
For complete information on filter cleaning, winterizing, and/or troubleshooting, please see the installation
and user's guide included with your filter.
(Triton
®
II Sand Filter, P/N 154901 and Tagelus

Chemical Cleaning Procedure

1. It is recommended that an approved cleaner be
used. Please contact your local pool chemical
supplier or retail store for the proper cleaner.
These cleaners will remove oils, scale and rust from
the sand bed in one cleaning operation.
2. Mix a solution following the manufacturers
instructions on the label.
3. Backwash the filter as outlined on page 5.
4. If the filter is below pool level, shut off the pump
and close appropriate valving to prevent draining
the pool.
5. Shut off pump, open filter drain and let filter drain.
Place valve in backwash position.
6. After filter has drained, close filter drain and remove
the pump strainer pot lid.
7. Be sure that the backwash lines are open.
8. Turn the pump on and slowly pour the cleaning
solution into the pump strainer with the pump
running.
9. Continue adding solution until the sand bed is
saturated with cleaning solution. Replace lid on
pump.
10. Shut off the pump and leave filter in backwash
position. Allow filter to stand overnight (12 hours).
11. Replace the pump lid and follow backwash
procedures on page 5.
12. Do not allow the cleaning solution to get into the
pool.
®
Sand Filter, P/N 155028.)
CLEARPRO TECHNOLOGY
®

FILTER MAINTENANCE

Filter Laterals Extension Kits Installation and User's Guide
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