Viega Prevista Dry 8522 User manual

for WC flush plates for Prevista
Model
8522
en_INT
Prevista Dry WC element with shower WC
connection
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 Safety instructions 6
2.3 Intended use 6
2.3.1 Areas of use 6
2.4 Product description 6
2.4.1 Overview 6
2.4.2 Compatible components 7
2.4.3 Technical data 8
2.5 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 Establish power and water supply (optional) 22
3.2.5 Setting and cladding the WC element 23
3.2.6 Setting the flush volume 25
3.3 Cleaning and maintenance 27
3.4 Disposal 27
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
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 Safety instructions
DANGER!
Danger due to electrical current
An electric shock can lead to burns and serious injury and
even death.
– Work on the electrics may only be carried out by trained
electricians.
– Switch off the mains voltage before carrying out work on
electrical parts.
– Switch off the mains voltage before connecting the
power pack.
2.3 Intended use
2.3.1 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.
2.4 Product description
2.4.1 Overview
The WC element is equipped as follows:
Product information
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
Fig. 1: Components
1 3H concealed cistern
2 Empty pipe for shower WC connection
3 Holder for drain elbow
4 Drain elbow
5 Reducer
6 Threaded rods for fixing sanitary objects (gauges for bore hole 180
or 230 mm)
7 Screws and dowels for fixing in the floor
8 Screws for fixing in support profile
9 Mounting set for WC ceramic
10 Flushing pipe
11 WC connection socket with lip seal
12 Site protection
13 Revision shaft cover
14 Corner valve
2.4.2 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 8573
Product information
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nFixing set model 8180.73
nOdour extraction via Prevista flushing pipe elbow with ventilator con‐
nection 3H
nPrevista shower WC connection set model 8570.63
nAccessory set connection electronic model 8655.11
Mount the components in accordance with the respective instructions
for use.
The fixing element is suitable for barrier-free installation. Supports and
hinged handles can be mounted on the fixing element.
The odour extraction system is suitable for reducing odour nuisance in
indoor bathrooms and highly frequented toilet facilities. The odour
extraction system is connected to the ventilation system directly.
An additional water and power connection is required to extend the WC
element to the shower WC. Power must be connected on site.
2.4.3 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
Fixing element
Odour extraction
Shower WC connection
Flush volume
Product information
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2.5 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 installation depth is maximum 200 mm.
The WC element can only be used in combination with wall-hung WCs
(fixing gauges for bore hole 180 mm or 230 mm).
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
Installation depth
WC ceramic
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 the use of a Prevista Dry
support bracket (model 8570.48). Observe the instructions
for use for the support bracket when mounting.
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 according to the instruc‐
tions for use for the fixing set.
Loosen the feet of the element using a fork spanner.
Mounting to a masonry wall
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.

9
Handling
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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 WC element is fixed in the Prevista Dry Plus pre-wall con‐
struction.
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.
Loosen and pull out the foot plates.
Turn the foot plates through 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.
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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