GENERAL
INFORMATION
• Clean a new pool as well as possible before filling
pool and operating filter. Excess dirt and large parti-
cles of foreign matter in the system can cause serious
damage to the filter and pump.
• With a modular Diatomaceous Earth (DE) filter in
place and operating correctly, clean water is returned
to the pool faster than pool water is being contami-
nated. A typical pool installation will require approxi-
mately one week to obtain and maintain the sparkle
that your filter is capable of giving you.
• Do not use more than the recommended amount of
DE in your filter. Excess DE can cause a buildup of
DE and "bridging" between the pleats which will plug
the filter.
• Maximum pressure is 50 PSI (345 kPa). DO NOT
connect the filter to a city water system or to an indi-
vidual water well system.
Hazardous pressure. Open air release
valve to vent all air from system before
operating
system. NEVER operate filter with air trapped inside.
• The Sta-Rite modular DE filter is designed to filter
water for swimming pools and spas. On a new pool
installation, we recommend:
1.Disassemble the filter after the initial cleanup.
Hazardous pressure. To prevent severe
injury or major property damage, ex-
actly follow "Filter Disassembly/Assembly Procedure"
on Pages 6 and 7.
2.Remove and hose down the element assembly to re-
move spent DE and contaminants.
• Maintain pool water pH between 7.2 and 7.6.
• Make sure that internal air bleed tube and filter are
clean and installed properly at top of module before
operating filter.
• Make sure that Posi-Lok™ Ring is securely locked in
place before operating filter.
• Maintain pressure gauge in good working order.
Replace a damaged gauge immediately.
• Cleaning interval is based on pressure rise, not on
length of time filter is operated. Different water condi-
tions will have different normal cleaning intervals.
When to Clean the Filter
The filter module should normally be cleaned when the
pressure gauge reading increases 10 PSI over the start-
up pressure (record the start-up pressure under "Owner's
Information", below, right).
In some pools, accessories such as fountains or pool
cleaners may be noticeably affected by the normal de-
crease in flow as the filter becomes dirty. If so, clean the
filter more frequently (that is, at a pressure increase of
less than 10 PSI) in order to maintain the required flow.
• Check local codes for restrictions on waste water and
DE disposal requirements.
NOTICE: Some pool disinfectants may clog filter mod-
ule. To maximize module life and filter cycle time,
closely follow disinfectant manufacturer's instructions
when cleaning pool or filter (see Page 7).
Owner's Information
Serial Number_________________________________
Dealer_______________________________________
Dealer's Telephone # ___________________________
Purchase Date ________________________________
Installation Date _______________________________
Pressure Gauge Reading at Startup ________________
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