Atlantic PV23EXT Product Manual - Page 5

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Excavating and Setting the PV1700 (Pond-free System)

Once you have determined the proper size basin for your project, begin by deciding the

placement of the vault. The vault should be placed away from the

waterfall where the lid can be accessed easily.

Level and tamp the bottom of the excavation, then install underlayment and EPDM liner.

Another layer of underlayment may be added on top of the liner for greater security before

setting the Eco-Blox and Pump Vault. Backfill the space between the Eco-Blox and the

excavation to lock them into place, either outside the liner with sand or clean fill, or inside

the liner with gravel ¾" or larger in diameter. Top the liner and basin with ¾" or larger gravel

or decorative stone. Smaller, more decorative gravel, landscape glass, etc. can be used to

cover the top of the basin, provided a denser mesh is installed beneath the material.

Plumbing the PV1700 (Pond-free System)

The PV1700 has pump discharge step fittings

molded into each side of the enclosure. The

step fittings are labeled for 1½" or 2" PVC pipe

and have cut lines molded in for each size.

This allows the installer the flexibility to exit

out the left or right side. Use a hand saw to

remove the appropriate step fitting,

using the cut lines as a reference. The flat

panel on the back is for an overflow. The

two drill points near the top of the left

and right sides are for the installation

of an AF1000 Auto Fill (See Auto Fill

instructions on pg. 10).

Excavating and Setting the PV1700 (Eco-Rise System)

The capacity of the basin will vary depending on the size, height and number of the

decorative fountain elements. For a general rule of thumb, make the basin at least twice the

width of the fountain piece(s) at the widest point. To capture the splash from taller pieces or

more aggressive flows, where added storage capacity isn't desired or needed, excavate a

shallow 2-3" deep bowl around the basin and extend the liner out to at least twice the

height of the decorative elements in all directions. This technique will recapture as much

water as possible with minimum additional excavation.

Once you have determined the approximate size of the basin, lay out the Eco-Blox and

PV1700. The PV1700 should be placed away from the fountain piece where the lid can be

accessed easily. Place the flat panel of the PV1700 up against the Eco-Blox so water can

enter through the ports. Tailor the excavation to the shape of the Eco-Blox and PV1700 so

the vertical walls of the basin will support the outside walls of the Eco-Blox, leaving a few

extra inches all of the way around to make installation easier.

The PV1700 flat panel will sit flush

against the Eco-Blox, so that water

can enter the pump vault. The area

where the pump vault will sit should

be dug 22" deep for the PV1700.

When using Eco-Blox, the pump vault

will recess lower than the Eco-Blox.

The area for the Eco-Blox to sit should

be dug 18" deep.

OVERFLOW

PUMP

DISCHARGE

STEP FITTING

AF1000

AUTO FILL

OVERFLOW