7
Pouring Sand Filter Sand Media
Common tools such as screwdrivers, wrenches, and
consumables like pipe sealant for plastic adapters are
required for the installation and service of the sand lter.
See the schematic for layout information, Figure 4.
1. The filter should be placed on a level concrete slab,
very firm ground, or equivalent. Orient the filter so
that the piping connections and control valve are
convenient and accessible for operation and service.
2. Filter sand media is loaded through the top opening
of the filter as follows:
a. Loosen the flange clamp and remove the filter
control valve (if previously installed).
b. Cap the internal pipe with a plastic cap to prevent
sand from entering it.
c. We recommend filling the tank approximately 1/2
full with water to provide a cushioning effect when
the filter sand is poured in. This helps protect the
under-drain laterals from excessive shock.
d. Carefully pour in the correct amount and grade
of filter sand while making sure the center pipe
remains centered in the opening. When done,
the sand surface should be leveled and should
rise up to about the middle of the filter tank. Next
remove the plastic cap from the internal pipe.
Packaging
A hose barb kit and union kit are included and needed to
make the connections.
UNION KIT HOSE BARB KIT
Figure 1. Connection Kits
Model
Height
in. (mm)
A
Diameter
in. (mm)
B
Valve Port
Size
Inch
Silica Height
in. (mm)
C
Silica 16/30*
Weight
lb. (kg)
RPSF14 28.6 (726) 13.8 (350)
1.5"
6.3 (160) 44 (20)
RPSF16 29.8 (757) 15.7 (400) 6.9 (175) 77 (35)
RPSF18 32.0 (814) 17.7 (449) 8.3 (210) 99 (45)
RPSF21 33.3 (845) 20.7 (527) 9.3 (235) 209 (85)
RPSF25 37.4 (950) 24.7 (627) 11.8 (300) 319 (145)
RPSF28 40.2 (1020) 27.7 (703) 13.0 (330) 462 (210)
*Note: Suggested silica weight with differences in filter media size for reference only
Table A. Dimensions
Filter Control Valve Assembly
1. Assemble the filter control valve into the filter tank.
a. Insert the filter control valve, with O-ring in place,
into the tank neck, taking care that the center
pipe slips into the hole at the bottom of the valve.
b. Place two plastic clamps around the valve flange
and tank flange and tighten just enough so the
valve may be rotated on the tank for alignment
purposes.
c. Carefully screw the pressure gauge, with O-ring
in place, into the tapped hole on the valve body.
Do not over-tighten.
d. Connect the pump to the control valve opening
marked PUMP. After connections are made,
tighten the valve flange clamps with the
screwdriver, tapping around the clamp with the
screwdriver handle to help seat the valve flange
clamp.
2. Make the connection from the pool pipe to the control
valve opening, marked RETURN, and complete the
other necessary plumbing connections such as the
suction lines to the pump, waste line, etc.
3. Make the electrical connections to the pump per
pump instructions.
4. To prevent water leakage, make sure all pipe
connections are tight.
Valve Key Assembly
1. Place the valve key so that wedge opening is at TOP
port. See handle in Figure 4. The flat edge of the
cover screw lug should align with the flat edge of the
body screw lug.
2. Position the cover O-rings.
3. Secure the assembly to the body with the cover
screws. Tighten the cover screws evenly and
alternately. Do not over-tighten.
CONTROLLED COPY approved for factory use on 4/16/2020. RAYPAK PROPRIETARY AND CONFIDENTIAL INFORMATION . Approval signatures on file in Engineering.
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