BWT 3 x 3 User manual

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INSTALLATION AND
OPERATING INTRUCTIONS
to be read carefully and kept for future reference
EN | PAGE 1
Rectangular
wooden pools
Double pine coping
Composite coping

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1. WOOD, A NATURAL MATERIAL .................................................................... 4
1.1 Colour variations ....................................................................................................................4
1.2 Resin beads.............................................................................................................................4
1.3 Salt stains................................................................................................................................4
1.4 Greying ....................................................................................................................................4
1.5 Splitting and cracking ............................................................................................................4
1.6 Knots........................................................................................................................................5
1.7 Surface mould.........................................................................................................................5
1.8 Joined wood............................................................................................................................5
1.9 Curved wood ...........................................................................................................................5
2. FOREWORD................................................................................................... 6
3. STORAGE & ASSEMBLY TIMES.................................................................... 6
3.1 Storage.....................................................................................................................................6
3.2 Above-ground kit ....................................................................................................................6
3.3 Safety .......................................................................................................................................7
4. QUICK OVERVIEW ..........................................................................................................7
4.1 Tools.........................................................................................................................................7
4.2 Time required ..........................................................................................................................7
5. EXCAVATION ................................................................................................ 8
5.1 Dimensions of the excavation and concrete slab................................................................9
6. ASSEMBLY OF THE METALLIC STRUCTURE ............................................. 10
6.1 The metallic structure...........................................................................................................12
7. POURING THE CONCRETE SLAB ............................................................... 13
8. ASSEMBLING THE WALLS ......................................................................... 14
9. THE WALLS (CONTD) & DRESSING THE POSTS ....................................... 16
10. MOUNTING THE COPING SUPPORT BRACKETS....................................... 18
11. INSTALLING THE METAL FITTINGS........................................................... 20
12. MOUNTING THE LINER LOCKING TRACK ................................................. 21
13. WALL FINISHINGS...................................................................................... 22
14. INSTALLATION OF THE POOL FITTINGS................................................... 22
14.1 Simmers ........................................................................................................ 23
14.2 Throughwallanges.............................................................................................................24
15. FITTING THE UNDERLAY, LINER & FILLING THE POOL ........................... 24
15.1 The underlay..........................................................................................................................24
15.2 The liner.................................................................................................................................24

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16. THE FILTRATION GROUP ........................................................................... 25
16.1 Installation.............................................................................................................................25
16.1.1 Precautions and advice..............................................................................................26
16.2 Mounting the rigid descending pipes .................................................................................27
16.3 Assemblyofthelter ...........................................................................................................29
16.4 Collectorandpump/ltermodule.......................................................................................31
16.5 Pipe connections ..................................................................................................................31
16.6 FIlling the water circuit.........................................................................................................33
16.7 Filling the pool and cutting the liner...................................................................................33
16.8 The underwater light (Odyssea model)...............................................................................34
17. COPING....................................................................................................... 34
17.1 Installation of the double pine coping - Weva....................................................................34
17.2 Installation of the composite coping - Odyssea ................................................................35
18. LADDERS .................................................................................................... 37
19. COMMISSIONING AND OPERATING RECOMMENDATIONS ....................... 38
19.1 Filter and valve operation ....................................................................................................38
19.2 Lengthoftheltrationcyclen.............................................................................................38
19.3 Cleaningthepre-lter&lterbackwash ............................................................................39
19.3.1 Pre-lter .....................................................................................................................39
19.3.2 Filter...........................................................................................................................39
19.3.3 Dechlorinator (Odyssea model) .................................................................................40
20. OPERATION AND MAINTENANCE .............................................................. 40
20.1 Winterizing the pool..............................................................................................................41
20.1.1 Winterizing the hydraulic installation..........................................................................41
20.2 Water treatment.....................................................................................................................41
20.3 Hygiene..................................................................................................................................42
21. GUARANTEES............................................................................................. 42
21.1 Wooden components: .........................................................................................................42
21.2 Accessories...........................................................................................................................42
22. DO NOT PLAY WITH SAFETY ! ! ! ............................................................... 45
23. APPENDICES - EXPLODED VIEWS.............................................................. 46

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1. WOOD, A NATURAL MATERIAL
Being a natural material, wood will have some imperfections. These are normal and have no impact on the
service life of the product.
Acertainnumberaresupercialanddonotfallwithinthescopeoftheguarantees.
1.1 Colour variations
Colour variations are common to every species of wood.
Treatment brings them out because the depth of penetration of
the product depends on the wood density and grain. Weathering
of wood outdoors will signicantly attenuate these colour
variations.
1.2 Resin beads
When resinous wood species are autoclaved, the alternating
pressure and vacuum can cause sticky residue to rise to the
surface. To remove it, scrape it carefully with an appropriate
tool, being careful not to touch the wood. Turpentine spirits
could also be effective, but could stain the wood if too much is
applied.
1.3 Salt stains
Small green stains are frequently found on the surface of
autoclaved wood. These can be removed with light sanding. If
left untreated, this colour will disappear over time.
1.4 Greying
Wood exposed to the sun and the moon is susceptible to
greying. Some of the wood could already be greyed due to the
storage conditions of the various elements of the structure.
This is a natural phenomenon that has no impact on the structural
integrity of the product. The colour of the whole structure will
even out after a few months of exposure..
1.5 Splitting and cracking

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Wood expands and contracts when exposed to variations in
humidity and temperature. As it dries, wood contracts unevenly
resulting in the appearance of cracks. While these can seem to
be cause for concern, they have no impact on the mechanical
properties of the product and therefore do not fall within the
scope of the guarantee.
1.6 Knots
Knots mark the places where branches were attached. The
quantity and size depends on the species of wood and the
sorting process. For outdoor installations, small adherent knots
are acceptable.
1.7 Surface mould
.
Mould, caused by microscopic fungi, can grow on wood,
particularly on resinous species, on which the growth can
appear as “blueing”. It is a surface phenomenon, exacerbated
by heat, humidity and inadequate aeration and is characterised
by stains ranging from light to dark blue. They can be removed
by wiping the surface.
Remember that class IV treated wood is protected against
attack by fungi that could destroy the physical and mechanical
properties of the wood
1.8 Joined wood
To ensure the highest quality in the selection of our wood, it
is sorted meticulously before planing. Sections that features
defects on both sides are removed and the wood is then joined
together (see image).
This is no way penalises the mechanical properties of the wood.
1.9 Curved wood
Due to the constant pressure exerted by the water, the walls of the pool may curve slightly over time.
This phenomenon, attributable to the natural elasticity of wood, will stabilise of its own accord and in no
way would lead to failure of the wooden slats.
It is not a defect, and would not constitute grounds for a guarantee claim..

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2. FOREWORD
Congratulations on acquiring your pool. We have taken great care with the design and manufacture of your
pool to provide you with a top quality product.
The wood used to make the various elements (interlocking walls, coping, ladder, etc.) was carefully
selected. Outdoors, these wooden elements are subject to constant weathering: contact with the ground,
temperature variations, exposure to sunlight, rain and frost, insect attack, etc. The wood’s ability to
withstand this aggression depends on the origin of the wood and the method used to treat it.
For this reason, we choose pine from extensive, sustainably managed forests in northern Europe. Why do
we insist on this? Because the more rigorous climates above the 57th parallel favour very slow tree growth,
making the wood stronger and more resilient.
The wood is autoclaved, this involves subjecting the wood alternately to pressure and vacuum in order to
drivethetreatmentchemicalsintotheheartofthewoodasopposedtoothermoresupercialtreatment
techniques such as soaking.
Class IV treated wood in contact with the ground is immune to insect attack and rotting caused by humidity.
Autoclave treatment is guaranteed 10 years, in accordance with standards currently in effect.
The pool coping is made of either composite slats or grooved pine planks, depending on the model selected.
Wood is a living material, variations in temperature and humidity can cause it to expand or contract so take
care to follow the storage and assembly instructions concerning the wooden structure. Similarly, prolonged
exposure to UV light can cause wood to grey. These are natural phenomena that in no way effect the
service life of the products.
Do not apply any product to the wood (for example: lazure, micro-porous products, etc.).
3. STORAGE & ASSEMBLY TIMES
Weshallnowexplainhowtoassembleyourpool,butrstsomeinstructionsbeforeyoubegin.
Please read these instructions carefully, this will allow you to prepare each stage to achieve optimum
efciency.Pleasekeeptheseinstructionsforfuturereference.
You should take the time to go through the components using the nomenclature page enclosed with the
accessories kit and make sure that no items are missing.
Please retain the following documents;
• the production sheets for the various kits
• proofs of purchase
3.1 Storage
If you do not intend to assemble your pool immediately, you should store it without opening it, in a well
ventilated room, or failing this, in an area protected from humidity and sunlight. Once the pallets are
undone, the kit must be assembled within 24 hours. Once work has begun, try to avoid leaving the structure
exposedtosignicantclimaticvariationsthatcouldcausethewoodto“work”tooquickly.Thiscouldlead
to deformations that could render the item unusable. By preference, the wooden structure should be
assembledinonegoonadaythatisnottoohot.ThelinerorPVCwaterproongmembraneshouldbe
storedataminimumof20°Cforatleast24hoursbeforeitistted.Thisistorenderthelinermoresupple
andthusfacilitatetting.Thelinershouldonlybettediftheambienttemperatureishigherthan20°C.
3.2 Above-ground kit
The kit delivered is intended for installation above-ground. If the pool is to be installed partially or entirely
in-ground, additional measures will need to be taken :
• Ifthegroundisnotlevel,digintotheslope,neverbackllunderthepool.
• Takecaretoensuresufcientdrainageadaptedtotheterrainaroundtheperipheryoftheconcrete

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slab.
• Cover the portion of the wall that is underground with a protective layer of foundation grade plastic
lm.
• Forbackllingaroundthepoolusestabilisedsand(mortar150kg/m3).(Thematerialsnecessaryto
implement these measures are not included in the kit.
3.3 Safety
• Your installation should comply with the standard C15-100. Notably, the electrical supply of the pump
shouldbeprotectedbya30mAdifferentialcircuitbreaker.(Wiringshouldbecarriedoutbyaqualied
professional).
• Thekitprovidedwillallowinstallationoftheltrationsystem3.5mfromthepool,thisisinlinewith
pool safety standards.
We recommend that you secure access to the pool using one of the protective measures set out
inthepoolsafetystandardsNFP90-306,307,308&309thatis:Barriers-Alarms-Safetycovers
- Shelters.
• Children should only use the pool under the supervision of an adult.
• Remember to remove the exterior wooden ladder while the pool is not in use to prevent unsupervised
access to the pool.
• This pool is intended for private use only.
• Do not install the pool beneath electrical wires.
4. QUICK OVERVIEW
• Excavation
• Assembly of the metal structure
• Pouring the concrete slab
• The wooden structure
• Theltrationgroup
4.1 Tools
• decameter
• rope,
• tube wrench (13 and 17),
• mallet,
• screw gun (with a torx, pozi bit),
• Stanley knife,
• metal saw,
• big spirit level,
• atheadscrewdriver,
• cross head screw driver,
• bolt cutters,
• sand paper,
• le,
• excavation equipment
4.2 Time required
Excavation : 1 TO 2 DAYS (DEPENDING ON THE MATERIALS USED)
Metallic structure: 1 DAY (WITH 2 PEOPLE)
Pouring the slab: 1 TO 2 DAYS (WITH 2 PEOPLE DEPENDING ON THE MATERIALS USED)
Woodenstructureandltration:2 TO 3 DAYS (WITH 2 PEOPLE - THE TIME INDICATED DOES
NOT INCLUDE THE CONCRETE CURING TIME)
Curingoftheconcreteslabbeforellingthepoolwithwater:21 DAYS (3 WEEKS)

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5. EXCAVATION
Avoid siting your pool beneath trees or electrical lines.
Orient the pool such that the skimmers face into prevailing winds.
After determining the ideal position for your pool, start with the excavation required to accommodate the
concrete slab that will form the base of your pool. In Figure 1, identify those dimensions that correspond
to your pool.
Neverbackllunderthe pooltoachievealevelsurface,alwaysdig down sothatyourpoolrestsona
stable, level surface.
Anti-racinaire
ou feutrine
Terrain naturel
Drainage
périphérique
Graviers
drainants
Hérisson de pierres stabilisées
Film d’étanchéité
Dalle béton épaisseur
minimale : 150 mn
Ossature bois
Feutres géotextile
Delta MS
Excavation
The Delta MS membrane allows ventilation of the pool’s wooden structure. Ventilation is necessary to
prevent rotting of the wood.
Terrain
Puits de
décompression
Graviers
concassés
Drain
périphérique
Dalle béton
Drainage
Ensure that there is adequate peripheral drainage, especially if the pool is to be installed in-ground.

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5.1 Dimensions of the excavation and concrete slab
Type de ferraillage : ST minimum
Type de béton : C25/30 minimum
Longueur de la dalle à couler
Largeur de la dalle à couler
Modèle de bassin Longueur dalle béton en mm Largeur Dalle béton en mm
3 x 3 4100 4100
3 x 6 7100 4100
4 x 8 9100 5100
Figure 1 – dimensions of the excavation and concrete slab
Note that the excavation is deeper around the periphery in order to accommodate the reinforcing metallic
structure. (Figure 2)
By deepening the excavation around the edges only, you minimise the total volume of concrete required
to pour the slab.
Figure 2 – Excavation around the periphery Figure 3 – Rebar
The bottom of the excavation should be perfectly level to facilitate installation of the metallic structure.
(Figure 3) (either add a layer of compacted gravel or pour a rough layer of concrete). Lay rebar mesh over
this section (Figure 3).

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6. ASSEMBLY OF THE METALLIC STRUCTURE
Themetallicstructurecomprisespostsjoinedtogetheratthetopandthebottomwithatbars(Figure 4)
Observe how these parts overlap to ensure correct positioning of the structure. The top links should be
dismantled once the slab has been poured.
Figure 4 – Metallic structure
Figure 5 – Jacks
Aftercorrectlypositioningtherstlayerofrebar(Figure 3) set out the metallic posts required to assemble
your pool (Figure 8).Makesurethatyoutthemwithjacksrst(Figure 4). These posts are joined together
atthebottomwithatbarsfastenedbytwoscrews(bagA).
Thedistancebetweentheeachpostisdeterminedbythelengthoftheatbars.
Theatbarsfeatures4holesateachend.
The upper and lower connection bars are identical.
Around the base, the outer holes are used (Figure 4) while the inner holes are used on bars around the
top of the structure (Figure 6).