Viega Prevista Dry User manual

for WC flush plates for Prevista
Model Year built:
8522.31 from 01/2019
en_INT
Prevista Dry WC element height-adjustable
after installation by the installer
Instructions for Use

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Table of contents
1About these instructions for use 4
1.1 Target groups 4
1.2 Labelling of notes 4
1.3 About this translated version 5
2Product information 6
2.1 Standards and regulations 6
2.2 Intended use 6
2.2.1 Areas of use 6
2.3 Product description 6
2.3.1 Overview 6
2.3.2 Compatible components 7
2.3.3 Technical data 8
2.4 Accessories 9
3Handling 10
3.1 Assembly information 10
3.1.1 Mounting conditions 10
3.1.2 Installation dimensions 11
3.2 Assembly 11
3.2.1 Mounting WC element 11
3.2.2 Connecting concealed cistern 18
3.2.3 Mounting the drain elbow 21
3.2.4 Set and clad the WC element 21
3.2.5 Setting the flush volume 23
3.2.6 Mounting WC ceramic 25
3.3 Use 28
3.4 Cleaning and maintenance 29
3.5 Disposal 29
Table of contents
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1 About these instructions for use
Trade mark rights exist for this document; for further information, go to
viega.com/legal.
1.1 Target groups
The information in this instruction manual is directed at the following
groups of people:
nHeating and sanitary professionals and trained personnel
nConsumers
nDrywall builder
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.
1.2 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.
This symbol gives additional information and hints.
About these instructions for use
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1.3 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, stand‐
ards, 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.
About these instructions for use
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2 Product information
2.1 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 Ger‐
many
Suitable masonry walls EN 1996-1-1
Suitable concreted walls DIN 1045
Suitable support profiles DIN 18183
2.2 Intended use
2.2.1 Areas of use
The Prevista Dry WC element is suitable for mounting on masonry wall
constructions and support profiles pursuant to the regulations in section
Ä „Regulations from section: Fields of application / Mounting condi‐
tions“ on page 6 and can be used in a Prevista Dry Plus pre-wall con‐
struction.
The individual seat height can be subsequently adjusted within a range
of 80 mm.
2.3 Product description
2.3.1 Overview
The WC element is equipped as follows:
Product information
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
Fig. 1: Components
1 3H concealed cistern
2 Holder for drain elbow
3 Threaded rods for wall-mounted WC
(gauges for bore hole 180 or 230 mm)
4 Screws and dowels for fixing in the floor
5 Screws for fixing in support profile
6 Silicon grease
7 Mounting set for WC ceramic
8 Flushing pipe
9 WC connection socket with lip seal
10 Hard foam block
11 Corner valve
12 Revision shaft cover
2.3.2 Compatible components
The WC element is compatible with all common WC ceramics, even
with larger projection (barrier-free).
The WC element can be extended by the following compatible compo‐
nents:
nPrevista Dry fixing element
nPrevista Dry fixing set model 8570.36
nPrevista Dry fixing set model 8573
nPrevista Dry Plus fixing set model 8570.49
Product information
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nWC cover plate for Prevista model 8570.38
nAccessory set connection electronic model 8655.11
Mount the components in accordance with the respective instructions
for use.
An additional water and power connection is required to extend the WC
element to the shower WC. Power must be connected on site.
2.3.3 Technical data
Small flush volume Factory setting approx. 3 l
Setting range approx. 2–4 l
Large flush volume Factory setting approx. 6 l
Setting range approx. 3.5–7.5 l
Shower WC connection
Flush volume
Product information
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2.4 Accessories
For mounting, Viega recommends a 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 metal support profile.
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.
Product information
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3 Handling
3.1 Assembly information
3.1.1 Mounting conditions
nMasonry walls
nConcreted walls
nMetal support profiles
nPrevista Dry Plus pre-wall constructions
The wall constructions must comply with the regulations in section
Ä „Regulations from section: Fields of application / Mounting condi‐
tions“ on page 6.
The WC element may only be mounted on even wall surfaces.
With the construction height, the marked height of the upper edge of
the finished floor must be observed.
The WC element has an R ½ inch water connection.
The WC element can be extended by a remote flush actuation or by an
electronic actuation, as well as by sensitive flush plates. The cables for
these electrical actuation versions must be laid in front of the cladding.
The corresponding empty pipe is required when preparing the remote
flush actuation.
Suitable walls
Construction height
Water connection
Actuation versions
Handling
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3.1.2 Installation dimensions




Fig. 2: Dimensional drawing
3.2 Assembly
3.2.1 Mounting WC element
Masonry and concreted walls
When mounting multiple WC elements with an interval of
> 500 mm, Viega recommends using a Prevista Dry support
bracket (model 8570.48). Observe the instructions for use of
the support bracket when mounting.
Mounting to a masonry wall
Handling
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For mounting, Viega recommends to use a Prevista Dry
fixing set.
Determine and mark the fixing points.
nX1: 1100 mm
nX2: 460 mm
Determine and mark the fixing points on the floor.
nX3: 375 mm
Drill the holes.
Insert the dowels.
INFO! Mount the Prevista Dry fixing set pursuant to the instruc‐
tions for use for the fixing set.
Loosen the feet of the element using a fork spanner.
9

9
9
Handling
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Adjust the construction height of the element in accordance with the
on-site marking of the upper edge of the finished floor.
nX: 1000 mm
Tighten the feet of the element using a fork spanner.
ðThe element is attached to the wall.
Handling
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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 Steptec rail connectors.
Mounting in Prevista Dry Plus


Handling
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ðThe element is fixed in the Prevista Dry Plus pre-wall construc‐
tion.
Handling
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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°.
Screw the feet together with the support profile.
Adjust the construction height of the element in accordance with the
on-site marking of the upper edge of the finished floor.
nX: 1000 mm
Attach the element to the support profiles using the screws sup‐
plied.
Mounting in metal support profile

d

9

YY
Handling
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If applicable, connect further elements to the element via the sup‐
port profile.
Install the site protection of the flush actuation.
Push the hard foam block over the threaded rods onto the drain‐
pipe.
Mounting the site protection of the flush actuation
Handling
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3.2.2 Connecting concealed cistern
Turn the cover plate lock 90° in anti-clockwise direction.
Remove the cover plate.
Place the press connector on the water inlet.
Press the connection.
Seal the threaded connectors of the corner valve.
Screw the corner valve into the thread side of the Steptec rail con‐
nector.
Handling
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INFO! For the concealed cistern 3H, the corner valve can be
attached from the top or rear.
Remove the plug.
Insert the corner valve into the cistern.
INFO! Ensure the corner valve is correctly seated.
Use the lock nut to screw the corner valve and the cistern to one
another.
Remove the protective cap from the water supply hose.
Screw the water supply hose and the corner valve to one another.





Handling
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Insert the cover plate into the cistern.
Turn the cover plate lock by 90° in a clockwise direction.
Place the revision shaft on the cover plate.
To remove the revision shaft, press in the fixing clips at the
side.

Handling
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