Connecting The Sludge Recirculation (Only Uptwo); Connecting The Sampling Unit And Drain - Graf UPone 3 EW Instrucciones De Montaje

2. Installation of the sewage treatment technology
The disc diffusor is enclosed separately and must be connected to the blue air hose in the tank before
introduction into the tank. A cord for introduction into the tank is enclosed. It is attached to the disc diffu-
sor.
2.3

Connecting the sludge recirculation (only UPtwo)

For sludge recirculation, the two tanks are to be connected at the top with HT-pipes DN 50. A socket for
connection of the pipe is already pre-installed on the second tank.
2.4

Connecting the sampling unit and drain

The sampling unit must be installed according to the above drawing. The upper tee of the sampling unit
can be aligned so that it shows the direction of the planned drainpipe.
The sampling unit is then connected to the tee DN 100 at the tank with pipes and bends.
Pre-installed tee
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Sludge recirculation pipes DN 50