Prevista Dry washbasin element with concealed connection box
Product information
Prevista Dry washbasin element with concealed connection box
for WB with single-hole fitting
| Year built (from): | 01.03.2019. |
Trade mark rights exist for this document; for further information, go to viega.com/legal .
Target groups
The information in this instruction manual is directed at the following groups of people:
Heating and plumbing experts and trained personnel
Drywall builders
Individuals without the abovementioned training or qualification are not permitted to mount, install and, if required, maintain this product. This restriction does not extend to possible operating instructions.
The installation of Viega products must take place in accordance with the general rules of engineering and the Viega instructions for use.
Labelling of notes
Warning and advisory texts are set aside from the remainder of the text and are labelled with the relevant pictographs.
DANGER!
This symbol warns of possible life-threatening injury.
WARNING!
This symbol warns of possible serious injury.
CAUTION!
This symbol warns of possible injury.
NOTICE!
This symbol warns of possible damage to property.
INFO!
This symbol gives additional information and hints.
About this translated version
This instruction for use contains important information about the choice of product or system, assembly and commissioning as well as intended use and, if required, maintenance measures. The information about the products, their properties and application technology are based on the current standards in Europe (e.g. EN) and/or in Germany (e.g. DIN/DVGW).
Some passages in the text may refer to technical codes in Europe/Germany. These should serve as recommendations in the absence of corresponding national regulations. The relevant national laws, standards, regulations, directives and other technical provisions take priority over the German/European directives specified in this manual: The information herein is not binding for other countries and regions; as said above, they should be understood as a recommendation.
Standards and regulations
The following standards and regulations apply to Germany / Europe and are provided as a support feature.
Regulations from section: Fields of application / Mounting conditions
Scope / Notice | Regulations applicable in Germany |
|---|---|
Suitable masonry walls | EN 1996‑1‑1 |
Suitable concrete walls | DIN 1045 |
Suitable stud frames | DIN 18183 |
Product description
Overview
- 1 Washbasin element
- 2 mounting bracket for concealed connection box
- 3 Screw fitting for corner valves
- 4 Corner valves
- 5 Screws and dowels for fixing in the floor
- 6 Screws for fixing in stud frame
- 7 site protection for concealed connection box
- 8 Drain elbow
- 9 pipe elbows
- 10 compression fittings
- 11 Cover plate
- 12 Threaded rods for fixing sanitary objects
Compatible components
The washbasin element is compatible with all common washbasin ceramics, even with larger projection (barrier-free).
Technical data
Drain elbow (outlet side) |
|---|
Rubber nipple |
Hole diameter for fixing in wooden frame construction |
Construction height |
DN 40 / 50 |
DN 50 / 30 |
11 mm |
1120 mm |
Accessories
For mounting, Viega recommends to use the Prevista Dry fixing set.
Prevista Dry fixing set model8570.36 for fixing the Prevista Dry elements in single / line mounting, single mounting directly onto the installation body or corner mounting on masonry or steel stud frame.
Prevista Dry fixing set model 8573 for single mounting of Prevista Dry elements to the solid wall.
Prevista Dry Plus fixing set model 8570.49 for single mounting of the Prevista Dry elements in Prevista Dry Plus.
Handling
Assembly information
Mounting conditions
Suitable walls
Masonry walls
Concreted walls
Steel stud frame
Prevista Dry Plus pre-wall constructions
The wall constructions must comply with the regulations in section Regulations from section: Fields of application / Mounting conditions .
The washbasin element may only be mounted on even wall surfaces.
Construction height
With the construction height, the marked height of the upper edge of the finished floor must be observed.
Installation dimensions
Assembly
Mounting the element
Preparing the concealed connection box
-
Seal the corner valve (e.g. using hemp).
-
Screw the corner valve into the screw fitting.
-
Seal and screw in a suitable pipeline adapter.
-
INFO!
Observe the additional markings when aligning the corner valves.
Screw in until the connection to the washbasin fitting is between the markings.
-
Mount the entire seats in the concealed connection box.
-
The object can be heard locking into place.
INFO!
Masonry and concrete walls
When mounting multiple washbasin elements with an interval of > 500 mm, Viega recommends to use a Prevista Dry support bracket (model 8570.48). Observe the instructions for use of the support bracket when mounting.
Mounting to a masonry or concrete wall
INFO!
For mounting, Viega recommends to use a Prevista Dry fixing set.
-
Determine and mark the fixing points.
X1: 1100 mm
X2: Depending on the fixing set used
-
Determine and mark the fixing points on the floor.
X3: 375 mm
-
Drill the holes.
-
Insert the dowels.
-
INFO!
Mount the Prevista Dry fixing set pursuant to the instructions for use for the fixing set.
-
Loosen the feet of the element using a fork spanner.
-
Adjust the construction height of the element in accordance with the on-site marking of the upper edge of the finished floor.
X: 1000 mm
-
Tighten the feet of the element using a fork spanner.
-
The element is attached to the wall.
Mounting in Prevista Dry Plus
NOTICE!
When mounting without a continuous rail above the element, the Prevista Dry Plus fixing set (model 8570.49) must also be used. See example with WC element model 8521.
INFO!
Mount the Prevista Dry Plus pre-wall construction pursuant to the instructions for use of the Prevista Dry Plus system.
-
Position the element on the floor rail.
-
Fix the feet on the floor rail using the clips.
-
Set the height of the element by means of the feet.
-
Fix the element with the Prevista Dry Plus rail connectors.
-
The element is fixed in the Prevista Dry Plus pre-wall construction.
Mounting in steel stud frame
-
Position the element on the floor rail.
-
If necessary, adjust the foot depth from 50 mm (pre-mounted) to 75 mm.
-
Pull the foot out and turn by 90°.
-
Fix the feet.
-
Adjust the construction height of the element in accordance with the on-site marking of the upper edge of the finished floor.
X: 1000 mm
-
Attach the element to the stud frame using the screws supplied.
-
If applicable, connect further elements to the element via the stud frame.
Set and clad the element
-
Use the quick release to adjust the drain elbow to the desired height.
Observe the instructions of the sanitary objects manufacturer.
-
Set the ledges to the desired height.
-
Turn in the threaded rods by hand.
-
Tighten the nuts of the threaded rods with a fork spanner.
-
Place the protective caps on the threaded rods.
-
Make the water connections.
-
Attach the site protection from the concealed connection box.
Optional cable bushing
On the top of the concealed connection box a section can be cut out which, for example, can be used as a cable passage.
-
Cut out and remove the area with a cutting knife.
-
Lead the cable through the opening and secure.
-
Cut a suitable plasterboard cladding panel to size.
-
Clad the element with suitable plasterboard cladding panels.
Final assembly of the concealed connection box
-
Remove the site protection.
-
Cut the shaft of the concealed connection box at tile-level.
-
Manufacture the connection for the washbasin fitting on one side using the copper pipe supplied.
If necessary, cut the chrome-plated pipe elbow supplied to the corresponding length.
-
Manufacture the second connection on the other side in the same way.
-
Shorten the copper pipe. The connection of the compression fitting must be within the concealed connection box.
-
Mount the compression fitting.
-
Optionally, connect the washbasin fitting to the concealed connection box using flexible hoses.
-
Align the corner valves.
When doing so, align the pipe elbow to the marking aid (line on the concealed connection box).
-
Remove the plug.
-
Insert the drain elbow into the lip seal of the odour trap.
-
If applicable, identify sizes on the drain elbow and adjusting pipe that may have to be shortened.
The sizes are marked in the diagram with X and are dependent on the chosen sanitary object.
-
Deburr the cut edge.
Grease the lip seal.
-
Insert the drain elbow through the cover plate into the lip seal of the odour trap.
-
Set the odour trap to the right size at the height.
The vertical setting range is 20 mm.
-
Attach the cover plate to the concealed connection box.
The lateral supports serve as a safeguard against distortion.
-
Turn the drain elbow to the right and in doing so secure it to the washbasin.
Check for leak tightness.
Cleaning and maintenance
Cleaning the concealed odour trap
Requirement:
The odour trap must be freely accessible.
-
Cut the water supply.
-
Disconnect the water line from the corner valve.
-
Turn the odour trap anti-clockwise.
When doing so, unlatch the clip to the right.
-
Lift up the odour trap.
-
Remove the odour trap for cleaning.
-
Pull out the adjusting pipe upwards to clean.
-
Clean the odour trap.
Replacing corner valves
-
Cut the water supply.
-
When replacing the corner valve, counter the screw fitting with a spanner (size 27).
Disposal
Separate the product and packaging materials (e. g. paper, metal, plastic or non-ferrous metals) and dispose of in accordance with valid national legal requirements.