Iberspa SM-USO Manuel D'utilisation Et D'installation page 20

Once settled the Spa, finish the work bearing in mind that the edging of the surface
must not be in direct contact with the work (a minimum of 1 cm must be left around
the edge).
Bear in mind that you will have to leave enough space to access to the pumps and
electrical connections for maintenance. This space should be at least of 0.7 meters.
To seal the tab to the Spa, use a special elastic silicone for aquatic installations.
ATTENTION
Leave a trapdoor spa access for maintenance. Never cover with concrete.
LEAVE 70cm CLEARANCE AROUND THE SPA.
3.3. Drainage
The Spa has a manual emptying system by gravity, through a drainage valve of 3/4".
The drainage valve should always be closed. It should only be open when the Spa is
emptied.
If necessary, a drainage system can be installed to connect the Spa to the general drains
of the house.
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ATTENTION
Remember that when you drain your spa not all of the water runs off.
If your spa is not going to be used for long periods, especially in winter, remove
any stagnant water on the seats and on the bottom of the spa with a sponge.
Any water remaining in the pipes can be sucked out through the water and
air nozzles using a liquid suction pump. The pumps must also be emptied
through the drain plug.
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