Fountain Units
18
INSTALLATION, OPERATION AND MAINTENANCE MANUAL; DIGITAL
CURTAIN
[en]
WARNING
:
Risk of unit damage.
Use hybrid mortar for heavy anchoring. Follow the
anchor’s and chemical resin’s manufacturers indications for drilling, install the
anchor, inject mortar and respect always setting time.
WARNING
: Make sure the unit is fastened to a C20/25 concrete base.
1)
Install chemical anchors to the roof, with a minimum 96mm of threaded rod
embedment in the concrete. Leave a minimum of 60mm of threaded rod outside
the concrete for a correct equipment fixation.
2)
Fasten and level the unit to anchors (
②
) using two nuts and a washer. Use the
second nut to block the first nut in order to avoid untightening due to unit
vibrations.
WARNING
:
Risk of unit damage and people harming.
Use a high resistance
threadlocker on the anchor nuts to avoid device untightening and falling risk.
In case of equipment is fastened on a structure, make sure it can bear digital curtain’s
weight fully filled of water (73kg a meter), adding a security coefficient of 2,5 due
to vibrations during equipment operation. Total weight is 190 kg/m.
To install digital curtains longer than a meter segment, them must be joined using
side flanges, with gaskets and screws supplied with the equipment. See picture 3.
2.2
WIRING AND PIPING
2.2.1
Hydraulic
Add a 2-1/2” water supply to each digital curtain’s inlet,
①a
①a
①a
①a
or
①b
①b
①b
①b
depending on
the installation, every 4 meters.
Water inlet piping diameter must be adequate to reach maximum 1,5m/s water speed.
This gives a correct hydraulic stabilization to achieve a proper image impression on
water.
Example: For a 4 meters long digital curtain, total flow would be 4x4m3/h = 16m3/h.
For this case, on a 75mm pipe diameter (2-1/2”), flow speed will be 1,2m/s.
Ensure that the installed pump
③
③
③
③
is able to provide a 4m3/h flow per meter and a
5m pressure in hydraulic inlet, considering installation height and components
pressure drop (piping, valves, filter, accessories…).
Example: In a digital curtain placed at a 4 meter height from the pump (+4 m), with
valves and accessories pressure drop equivalent to 30 pipe meters (+1 m), pressure
drop of pipe (Ø75mm) and 25m long (+1 m) and pressure drop of obtured filter (+6
m), the pump work pressure would be 17 m (5+4+1+1+6).
A 1-1/2” relief connection is required
④
④
④
④
for each inlet. This relief connection must
be conducted to the installation tank. The relief is necessary to avoid the pressure
excesses in the digital curtain’s manifold when generating images, because it may
produce deformation on figures played.
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