P/N 190033 2 Rev. G 6-27-03
4. Allow sufficient space above the filter to remove the filter lid for cleaning and servicing. This distance will vary with the model of
filter you are using. See Table 1 for the required vertical clearance.
5. Position the filter to safely direct water drainage. Rotate the High Flow™ manual air relief valve to safely direct purged air or
water. Water discharged from an improperly positioned filter or valve can create an electrical hazard as well as damage
property.
6. Your filter requires one of the following Pentair Pool
Products accessories which must be purchased separately.
a. Push-Pull valve
b. Multiport valve
c. Bulkhead union set
7. Make all plumbing connections in accordance with local
plumbing and building codes. Filter plumbing connections
are provided with an O-ring seal. To avoid damage to the
O-rings, use only a silicone base lubricant on the O-rings. Do not use pipe joint compound, glue or solvent on the bulkhead
connections.
8. The maximum working pressure of this filter is 50 psi. Never subject this filter to pressure in excess of this amount - even when
conducting hydrostatic pressure tests. Pressures above 50 psi can cause the lid to be blown off, which can result in severe injury,
death or property damage.
When performing hydrostatic pressure tests or when testing for external leaks of the completed filtration and plumbing
system, ensure that the maximum pressure that the filtration system will be subjected to DOES NOT EXCEED THE
MAXIMUM WORKING PRESSURE OF ANY OF THE COMPONENTS CONTAINED WITHIN THE SYSTEM. In most
cases, the maximum working pressure will be stated on each component of the system.
If doubt exists as to the pressure to which the system will be subjected, install an ASME approved automatic Pressure
Relief or Pressure Regulator in the circulation system for the lowest working pressure of any of the components in the
system.
SECTION II. FILTER OPERATION.
A. GENERAL INFORMATION.
1. This filter operates under pressure. When clamped properly and operated without air in the water system, this filter will
operate in a safe manner.
2. The maximum working pressure of this filter is 50 psi. Never subject this filter to pressure in excess of this amount - even when
conducting hydrostatic pressure tests. Pressures above 50 psi can cause the lid to be blown off, which can result in severe
injury, death or property damage.
When performing hydrostatic pressure tests or when testing for external leaks of the completed filtration and plumbing
system, ensure that the Maximum Pressure that the filtration system will be subjected to DOES NOT EXCEED THE
MAXIMUM WORKING PRESSURE OF ANY OF THE COMPONENTS CONTAINED WITHIN THE SYSTEM. In most
cases, the maximum working pressure will be stated on each component of the system.
If doubt exists as to the pressure to which the system will be subjected, install an ASME approved automatic Pressure
Relief or Pressure Regulator in the circulation system for the lowest working pressure of any of the components in the
system.
3. The pressure gauge is the primary indicator of how the filter is operating. Maintain your pressure gauge in good working order.
4. Never operate filter in excess of three (3) minutes without use of diatomaceous earth. Diatomaceous earth is the substance
that filters the water, the filter cloth merely supports the diatomaceous earth. Operating without diatomaceous earth will
damage filter elements and shorten filtering cycles.
Table 1.
Vertical
Model P/N Size Clearance Req. NSF
FNSP 24 180006 24 sq. ft. 48 in. no
FNSP 36 180007 36 sq. ft. 62 in. yes
FNSP 48 180008 48 sq. ft. 74 in. yes
FNSP 60 180009 60 sq. ft. 86 in. yes
WARNING
Risk of electrical shock or electrocution. Position the filter and High Flow™ manual air relief valve to safely direct water drainage
and purged air or water. Water discharged from an improperly positioned filter or valve can create an electrical hazard that can
cause severe personal injury as well as damage property.
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