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OPERATION/INSTALLATION INSTRUCTIONS
The filter module is equipped with a dial valve which works as follows:
1. FILTER gives a downward flow through the filter bed. Dirt accumulates in
the sand as filtering proceeds, and gradually restricts the flow of water until
backwashing is necessary. This position can also be used for vacuuming.
2. BACKWASH gives an upward flow through the filter bed that removes the
dirt from the sand and carries it to the waste.
3. DRAIN is for pumping water from the pool. It allows the flow from the pump
to bypass the filter and go directly to the waste. You can also use this position
to vacuum heavy concentrations of debris.
4. WHIRLPOOL bypasses the filter to obtain the optimum performance from
a hydro-air fitting fed by the filter pump. (No filtration occurs in this position).
5. WINTERIZE allows air to leave or enter the tank to help priming and
draining. Only to be used when pump is off.
6. RINSE gives a downward flow that settles the filter bed after backwashing
and carries any remaining loose dirt to the waste.
7. TEST prevents only backflow of water from pool during pump maintenance
if filter is below water level.
FILTER SAND
The outstanding filtration and superior dirt-holding capacity of this filter depends
on the use of the proper grade of filter sand. It should meet the following
specifications: The filter sand must be free of clay, loam, dirt and organic matter,
and must consist of hard, durable, rounded or sub-angular grains of silica sand
with no more than 1% of flat or micaceous particles. The grains should have an
effective size of 0.44mm with a uniformity coefficient of 1.35. DO NOT USE
"SANDBOX" SAND.
The filter sand is NOT included in the filter module and must be purchased
separately. Refer to the table for the quantity required. Do not fill the tank with
sand before the filter is in its final position. Keep the sand dry for easy
installation. Use only the approved filter sand, otherwise the system may not
work satisfactorily.
INSTALLATION LOCATION
Locate the system as close to pool/spa as possible, but keep at a minimum
distance of five feet (1.5M). (See previous Warning.) Locate the system
preferably in a dry, well ventilated area away from direct sunlight. It should be
on a hard, level surface. Give consideration to: drainage-away from pump,
ventilation of pump motor, access for future servicing and winterizing, and
protection from the elements.
Pumps without strainer bodies are designed for flooded suction (all suction
fittings and suction piping below water level) and will not self-prime.
Consequently, the pump must be installed at an elevation that is below water
level when pool or spa is filled; however, if suction line valves are installed, the
pump may be located above the water level since the valve can be closed for
priming. Keep vertical distance to a minimum if you choose to mount pump
above water level. Pumps with strainer bodies are self-priming but should be
mounted as close to the water level as possible or below for ease in priming.
1. Although optional, we recommend shut-off valves (A) be installed in the
pump inlet for easy servicing when the system is installed below the water
level of the pool.
2. Install two barbed adapters (B) in the following locations: Pump Inlet (or
optional shut-off valve) and Filter Outlet.
3. Attach hose (C) using hose clamps (D) to adapters (B) according to the
diagram shown below.
Note: Refer to pool manufacturer or skimmer manufacturer's installation instruc-
tions for more detail.
Plumbing Connections
POOL INLET
FITTING
ABOVE-GROUND
POOL
SKIMMER
A) OPTIONAL
SHUT-OFF VALVE
B) MALE ADAPTER
D
C) HOSE
D) CLAMP
2
D
C
FILTER OUTLET
(DVK-7)
WASTE OUTLET
C
A
D
PUMP INLET
B
Sand Filter System Dimensions
Return
C
D
F
A
Sand Level
US Systems
Return
C
A
F
Sand Level
D
Canadian Systems
1. Remove all components from carton. Your system includes a 1-piece base,
a 2-piece base (filter base and pump base), or a filter base (Canada only). The
2-piece base is assembled by slipping the three tabs on pump base into any three
of the slots located in the side of the filter base (attach pump to pump base in
holes marked "1" and "2" using enclosed self tapping screws.) Set filter on base
with the drain facing away from the pool.
2. If the laterals are not installed,
D
hold the standpipe/manifold
assembly so that the manifold is
B
located in the middle of the tank.
Take one of the lateral flow tubes
in your other hand and lower it
into the tank, sliding it down the
tube and into one of the grooves
in the manifold until a snap-fit is
obtained. Repeat this action until
all eight lateral flow tubes are
installed, then lower the complete
assembly down to the bottom of
the tank. Press it down to ensure
that the central tube is seated in
the depression in the base of the
tank.
Inlet
B
29-1/2"
E
Inlet
B
H
W
ASSEMBLY OF SYSTEM
Snap-Fit Detail
Standpipe
Manifold
20-3/8"
L
Lateral
Snap Fit
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