Starting; Working Process - Kripsol NORDIK Serie Manual De Instrucciones

When the differential pressure between the two manometers
is 1 Kg/cm² or higher, backwash must be carried out. If you
prefered to install a manometer in each filter, or you had
bought the filter whithout the valve battery, you can buy
the manometer panel Ref: MP24 (Figure 6), to be installed
following.
Outlet
pressure
manometer
Fig. 6
NOTE: Once the manometers have been installed, you
should cut the two little caps that are placed in the back side
of the panel. These caps have been put there to avoid the
spilling of the manometer's glicerine.

4. STARTING

Before filling filters with sand or other filtration elements, it is
advisable to check the internal collectors to make sure that
they have not been damaged during transport or installation.
Afterwards, fill the filters and the water installation and make
and hydraulic test. Thus, you will make sure that there is no
leak and that the equipment works properly.
Then stop the pumps, open each filter's lid (the filter must not
be emptied without opening the lid, as it could collapse) and
empty half the water that each filter contains.Then, start filling
the filter with sand or other filtration elements, taking into
account that first of all you must put gravel up to the
collector arms (10 cm aprox.) Figure 7. This must be done
very carefully in order to avoid any damage in the lower
components of the filter. When the filter is being filled with
sand, this must be carefully spread over the surface.
Fig. 7
Intlet
pressure
manometer
1/4" gas
Hidroanthracite
Sand
Gravel 1-2mm
Gravel 3-5mm
12
Once the filter is full with the filtration elements clean the lid
and the inner part of the man hole.This will prevent any debris
and particles of sand affecting the seal of the joint.
Put the joint in the lid; then introduce the lid in the man hole,
leaving it leveled and centred. The lid must be supported by
the handle, as this will avoid that it could fall into the tank and
damage any of its parts.
Inner part of
Lid
man hole
Put the bridge in the position shown and tighten manually the
wheel. To achieve a proper seal, you do not have to tighte
excessivelly the wheel, as this could damage the lid.
The pressure itself will improve the seal.
When the filter is under pressure, it is normal that wheel
and bridge remain separated. Do not reduce this space
(A) Figure 9. You must not tighten tehe wheel again when
the filter is under pressure, because when the pumps
stop, the lid could be damaged or blocked.
Once the filter has been completely filled with water, start
the performance of installation, venting manually to eliminate
all the air that could be sence of air impairs the filter
performance.
If a vacuum forms in the filters, it is necessary to install
double effect suction cups; these will also act as automatic
air purifiers and would avoid that the tank could collapse.
Fig. 9

5. WORKING PROCESS

5.1. Filtration.
It has to done with the pump stopped and valves in position.
Figure 10.
During the filter operation it is advisable to observe
periodically the inlet and outle manometers; the filtration
element must be washed when the pressure difference
between the two manometers is from 0.8 to 1kg/cm².
Wheel
Bridge
O-ring
Fig. 8
A