Okofen Flexilo, Installation Manual

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3.2 Preparatory work
Secure location choice
• Level surface, free from backwater
• Safety against slipping, accessibility for filling process
• Excavate the soil at least 10 cm, compact and gravel.
• Recommendation:
• Align 7 pieces of concrete slabs (40x40x4 cm) in the scale.
Above-ground or underground laying of the suction hoses
NOTICE
Line length must not exceed 20 m per hose.
Variant 1 underground cable routing
•
In the case of underground piping, install a protective pipe with at least
Ø
DN200
and bends with max. 45°.
•
Install the wall duct by means of a pipe duct and a lining pipe (to be provided in
the concrete formwork).
•
Check with the builder or an expert to determine the appropriate penetration for
a brick wall.
•
The pipe should protrude so far from the ground that the end of the pipe is at
least 5 cm above the top of the ground.
NOTICE
Until the tank is fully built up, the pipe end must remain closed.
3 Planning Pellet Outside Storage 7
Installation manual