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4. INSTALLATION SPECIFICATIONS
•
In order to achieve successful installation it is important to consider the following points:
•
Choose a pump suitable for the required flow at 10 m head (water).
•
In order to backwash the filter, the system of pumps and filters must combine to obtain the necessary flow, which can be from 40 - 50m/h
lateral models, and up to 60 m/h for nozzle plate models.
•
To scour the filter with air (nozzle plate models or models with double laterals) it will use one or more air blower or capable of supplying air at
a velocity of 60 m/h 300 mbar. Never use a compressor because damage could occur due to excessive pressure.
•
It is advised to install the filters below the level of, and as close to the pool as possible.
•
The plant room where the filters are installed should be well ventilated and have the necessary drainage channels available to allow escape
of water, should a pipe, filter or pump leak in the case of an accident, preventing damage to any equipment. If it is not possible to install such
drainage measures then an alternative automated system (e.g. submersible pumps) should be installed for water removal.
5. INSTALLATION
Filters are delivered packaged and palleted, due to their weight and volume. This can make them difficult to manoeuvre around the building site
and install so it is recommended that they be transported by fork lift, crane etc.
Filters are made of plastic, and although they are designed to be resist to internal pressure, they can be susceptible to external damage. It is
important to ensure that the filter does not receive any external knocks during installation or operation that could damage the base, the tank or
any connections.
Always use suitable plastic connections and make ensure they are fitted with suitable supports and are not forced, or under stress.
The media must only be loaded once the filter is situated in its final position, following the instructions for "Commissioning".
Filters like other items of plant, will need regular checks, so it is essential to leave a suitable working clearance above and around the filter.
(FIG. 3)
Correct installation of the filters:
• Place the filters in their designated position, and ensure that they are stable and the floor is perfectly flat. (FIG. 4)
• Assemble the batteries on the filters, ensuring they
are not stressed. Remember that the water tightness
of the unions is achieved with seals and gaskets, so
do not over tighten the bolts. Do not use Teflon
(PTFE) tape.
• Install adequate battery/pipe supports and adjust
their height accordingly.
• Plumb the batteries to the pump discharge pipes, the
return pipes to the pool and to the waste drain.
5.1. INSTALLATION OF THE PRESSURE GAUGES
Once you have installed the pressure gauge panel on
the flange of the filter connection, note the flexible
plastic and transparent pipes that must be connected
between the pressure gauges and the ¼" threaded
holes in the battery tees, as the illustration shows
(FIG 5).
The pressure gauge panel clearly identifies the
pressure gauge that controls the inlet and outlet
pressures. The pressure gauges indicate when
backwash of the filter is necessary. For example,
in a clean filter the entrance pressure should be
2
between 0.8 and 1 kg/cm
should be between 0.4 and 0.6 kg/cm
When the difference between the pressure in the
inlet pressure gauge and that in the outlet pressure
2
gauge is 1kg/cm
or higher, then it is time to
backwash the filter.
and the exit pressure
2
.
BATTERY ASSEMBLY:
2
FIG.3
FIG.4
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