7
6
SYSTEM DESCRIPTION
The ECOmar S STP can be supplied with two different configuration: 1 Tank Control or 2 Tanks Control.
The main differences between the two configurations are the number of the supplied filling pumps (1 or 2); the number of the
supplied anti-syphon valve set; the number of the supplied level probes; the number of the supplied level probe control boxes;
the dosing systems arrangement and the main control box arrangement.
The diagrams below show a functional installation scheme of the plant with its main components for both configurations.
Fig. 6-1 - Functional installation scheme – 1 Tank Control - (see also annexed drawing)
Fig. 6-2 - Functional installation scheme – 2 Tanks Control - (see also annexed drawing)
As shown in the diagrams above, the system is composed by:
1.
A
Main Unit Skid
made by:
1.1.
A tank (
Treatment Tank
) made of PP (polypropylene) or SS (stainless steel)
, where the sewage water is treated;
1.2.
A pump (
Macerator
or
Macerating Pump
) to treat and discharge the treated water;
1.3.
A motorized
Discharge Valve
(
V1
) to divert the treated water to the
sludge discharge valve
(V2)
inlet or back to the
treatment tank;
1.4.
Level probes
, installed on the treatment tank, for the tank level monitoring;
1.5.
A pressure sensor (
Pressure Switch
)
to protect the treatment tank from overpressure;
1.6.
A PCB control panel (
Main Control Box
) with motor protections, contactors, microprocessor, touch pad and liquid
crystal back-lighted display.
*
For the ECOmar 70 S and 145 S; the treatment tank is available only in SS (stainless steel).
†
Nr.1
Multi-point Ball Level Switch
for ECOmar 20 S – 32 S – 45 S – 70 S – 145 S.
‡
Only for the STP supplied with the treatment tank in PP (polypropylene).
