Filling; C Utting Out Pool Fittings - BWT P-PSC Notice D'installation Et Conseils D'utilisation

10.

FILLING

This operation must be carried out quickly and simultaneously with backfilling of the space behind
the walls of the pool (refer to the following section «BACKFILLING»). The water flow-rate must be
sufficiently high. If possible use several hoses together.
After the liner has been positioned, start to fill the diving pit with the vacuum pump switched on. If
using a garden hose, first add several litres of water to the bottom of the diving pit and leave the
end of the hose submerged.
Once the water depth reaches 10 above the main drain, cut-out the liner around this fitting (refer to
the instructions provided below).
Then, without stopping the vacuum pump, continue to fill the pool while gradually backfilling as
the water level reaches the bottom of the underwater light, then the return fittings and lastly the
skimmers. Position the outer gaskets and flanges and cut-out the liner as described further on in
the section entitled "Cutting out the pool fittings".
11. CUTTING OUT THE POOL FITTINGS
CUTTING OUT THE POOL FITTINGS
When the water level is about five centimetres under each of the following fittings:
- underwater lights,
- vacuum points,
- return fittings
- skimmers
(refer to the paragraph entitled "FILLING"), the gaskets and flanges should be mounted on and
secured to the liner. To do this, press on the liner to locate the areas corresponding to the screw
holes and cut using a sharp implement.
Next, place the gasket against the liner with the flange over it. Thread the screws through and
tighten them, locking the flange in position, check that the gasket is centred.
Once all attachment items are locked in position, cut out the portion of liner obstructing the opening
using a sharp knife.
COMMENTS:
Gaskets ensure waterproofing, therefore check that they are in good condition when they are
installed.
To avoid damaging them when cutting out the liner, follow these recommendations; First cut out an
opening in the liner smaller than the nominal diameter.
Then rectify the contour using a sharp knife or cutter staying flush with, but not cutting into, the
sealing gaskets.
For the main drain, remove the protective adhesive from the screw holes before positioning the
gasket.
The underwater lights each comes with a cable approximately 2 meters long. A length of cable
(approximately 1 meter) should be left coiled in the niche to allow the underwater light to be removed
from its niche for maintenance, for example to change a bulb, without partially emptying the pool.
PISCINES P-PSC 2020/05 - Indice de révision : B - Code : 37101
45/48