Clarus ZF-800 Benutzerhandbuch - Seite 6

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Excavate an area large enough for the Fusion

unit. Excavation dimensions are calculated by adding 12-18" (305-457 mm) to the length and width of the Fusion

sufficient room for proper backfilling.

Construct a 6" (152 mm) thick stone pad of either 1/4" - 1/2" (6-13 mm) diameter stone or concrete pad and level to within 1/8" (3 mm).

If the unit is not level, it will cause uneven water flow as well as unbalanced aeration, which will result in poor

performance.

Gently lift the unit at all four lifting points with a harness and install it on leveled stone pad (Figure 9).

Check unit to make certain it is level by placing a level at several locations on the riser. (riser covers removed) (Figure 9).

BACKFILLING

If groundwater is present, anti-flotation measures must be

used to stabilize the unit prior to backfilling. Please follow the

procedures in the Anti-flotation section to properly anchor

the Fusion

Fill the unit with clean water to the normal operating depth

prior to backfilling. Partition walls between chambers are

water-tight and will fill in succession beginning on the inlet side

of the unit. Therefore, it is best to alternate chambers when

filling with water so the unit remains level. Check for leakage

around the unit.

If necessary, install riser extensions on the adapter rings

prior to backfilling. See Table 1 for number and size of access

openings. Riser extensions are available for deeper burial.

Make certain risers are sealed properly and watertight.

CAUTION

Apply two beads of silicone fully around each

riser section prior to securing with supplied screws.

Install riser covers.

Backfill with good quality granular soil around the unit that is

free of organic matter, rock, stone, tree roots, or other debris

that could damage the unit.

Tamp soil around perimeter of the unit as it is backfilled to

stabilize the unit and to reduce settling.

Finalize backfill with a mounded contour so that surface water

is shed away from the unit. Under no circumstances should

surface water be allowed to accumulate around unit.

CAUTION

MAXIMUM soil burial depth over the unit is 36

inches (914 mm).

Table 1

Number AND Size of ACCeSS opeNiNgS iN fuSioN

20" (51

) D

iameter

24" (61

) D

iameter

Table 2

FUSION

SYSTEM

7'-1" (2.2 m)

3'-8" (1.1 m)

Fusion

450

8'-3" (2.5 m)

4'-8" (1.4 m)

Fusion

800

EXCAVATION AND INSTALLATION

Series unit to be installed. See Figure 8 and Table 3 for the actual dimensions of the

SerieS

ZF-450

ZF-800

DIMENSIONS

5'-2" (1.6 m)

4'-4" (1.3 m)

3'-10" (1.2 m)

6'-2" (1.9 m)

5'-4" (1.6 m)

4'-10" (1.5 m)

COLD WEATHER INSTALLATION

When installing Fusion

specify insulated lids and risers. In addition, the blower must be

protected from snow drifts. If installed in a riser, the blower must

be protected from inundation and may have a vent pipe installed

to above the maximum snow depth with a 180 degree angle at the

end to prevent snow and water entry. Also, the top and sides of the

Fusion

may be insulated with insulation sheeting or other means

to provide a minimum insulation value of R-8. Please contact the

factory for further information.

ANTI-FLOTATION PROCEDURES

It is necessary to anchor the Fusion

conditions to prevent flotation. If groundwater rises above the rock

or concrete pad that the Fusion

Please consult a design engineer, soil scientist or other qualified

individual to determine high groundwater conditions.

Follow the procedures outlined in the Excavation and

Installation Section, items 1-5, to properly prepare and level

the Fusion excavation.

Follow the procedures outlined in the Backfilling Section,

items 1-4 to properly fill the Fusion

if needed.

Refer to Figure 10, Anchoring Schematic to determine the

minimum amount of backfill to be placed around the Fusion

in the excavation. Tamp the fill to prevent settling.

Refer to Table 3, Concrete Anchoring Dimensions, to determine

the amount of concrete needed for the concrete anchor collar

that is poured around the entire circumference of the Fusion

Pour concrete to the specified dimensions to fully engage

the mid-seam of the Fusion

concrete cures. Make certain to pour the concrete in a manner

to minimize trapped air within the concrete. Agitating or lightly

mixing the concrete with a metal rod or other similar device

once poured will help release trapped air.

Allow the concrete to harden before final backfilling.

Complete the procedures outlined in the Backfilling Section,

items 5-8.

Figure 8

- Dimensions

NOTES:

1) DIMESIONS "I" AND "E" ARE TO THE BOTTOM

OF THE INLET/OUTLET PIPE.

2) THE OVERALL HEIGHT DIMENSION "H" IS TO

THE TOP OF THE NARROW

ADAPTER RING. NOT THE RISER LID.

3) A RISER COVER COMES STANDARD. ADDITIONAL

RISERS ARE PURCHASED

SEPARATELY.

in cold climates, the designer may

in high ground water

sits on, anchoring is required.

with water and add risers

, which will anchor it once the

. This will allow

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