DAB FEKAFOS 280 Instructions For Installation Manual - Page 8

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5.5 Connecting the delivery pipe to the sewer network

Fekabox 200, Fekafos 280 and Fekafos 550 tanks have a 2" GAS outlet connection.

To guarantee a perfect seal it is recommended to use Teflon or suitable glues depending on whether the

material being glued is plastic (PP or PVC) or metal.

Remember to provide a ventilation pipe to avoid the formation of inflammable, explosive or toxic mixtures.

On the station identify the seat for the ventilation duct, marked with the symbol

indicated in point 5.3 and connect the ventilation pipe so that it can evacuate any condensate from the

station. Check that the coupling is watertight.

The various national regulations may require different ratios between the diameter of the outlet pipe and

that of the ventilation pipe. Ensure that the pipe outlet is in the open (for example, above the ridge of the

roof if the station is installed inside a building) and that the exhaust gases cannot get into other places such

as buildings, rooms and similar. Avoid horizontal stretches in the ventilation duct.

Check that the gasket of the cover is lying in the bottom of its seat and is not twisted before screwing the

cover onto the tank. The tank is shipped with the gasket already fitted under the cover.

Check that the gasket does not slip in the thread during screwing. In case of installation inside buildings, the

cover must be screwed right down until the threaded seat appears in the slot shown in the figure, to

guarantee that the station is hermetically sealed against liquids and gas.

Before tightening the cover of the tank, lubricate the thread and O-ring using soapy liquids or lubricants for

plastic pipes/couplings.

To prevent unauthorised opening of the cover, it is recommended to fix it to the station with

the screw and the metal bracket provided. (see fig. 6B).

The screw must be passed through the slot on the outer edge of the cover, and screwed into the seat in the tank.

There are two cylindrical seats on the cover which can be used to facilitate closing of the cover by levering

with suitable tools (see fig. 6A).

ENGLISH

Fig. 6A

. Open the duct as

Fig. 6B