Viega Prevista Dry 8522.33 User manual

Instructions for Use
Prevista Dry WC element floor-
standing WC or children's WC
for WC flush plates for Prevista
Model Year built (from)
8522.33 03/2019
INT

Table of contents
1About these instructions for use 3
1.1 Target groups 3
1.2 Labelling of notes 3
1.3 About this translated version 4
2Product information 5
2.1 Standards and regulations 5
2.2 Safety advice 5
2.3 Intended use 5
2.3.1 Areas of use 5
2.4 Product description 6
2.4.1 Overview 6
2.4.2 Compatible components 6
2.4.3 Technical data 7
2.5 Accessories 8
3Handling 9
3.1 Assembly information 9
3.1.1 Mounting conditions 9
3.1.2 Installation dimensions 10
3.2 Assembly 10
3.2.1 Shortening the element (optional) 10
3.2.2 Mounting WC element 13
3.2.3 Connecting concealed cistern 19
3.2.4 Mounting the drain elbow 22
3.2.5 Set and clad the WC element 23
3.2.6 Setting the flush volume 23
3.3 Cleaning and maintenance 26
3.4 Disposal 26
Table of contents
Prevista Dry WC element floor-standing WC or children's WC 2

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
Prevista Dry WC element floor-standing WC or children's WC 3

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
Prevista Dry WC element floor-standing WC or children's WC 4

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 advice
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 5 and can be used in a Prevista Dry Plus pre-wall con‐
struction.
Product information
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2.4 Product description
2.4.1 Overview
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Fig. 1: Components
1 3H concealed cistern
2 Screws for fixing in support profile
3 Screws and dowels for fixing in the floor
4 flushing pipe
5 Protective plug for drain elbow DN90
6 Protective plug for flushing pipe elbow
7 Revision shaft cover
8 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 8570.36
nPrevista Dry fixing set model 8573
nPrevista Dry Plus fixing set model 8570.49
nAccessory set connection electronic model 8655.11
Product information
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▶Mount the components in accordance with the respective instruc‐
tions for use.
The fixing element is suitable for barrier-free installation. Supports and
hinged handles can be mounted on the fixing element.
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
Water pressure min. 15 kPa (0.15 bar)
Water pressure max. 1000 kPa (10 bar)
Fixing element
Flush volume
Water pressure
Product information
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2.5 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 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 5.
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 is suitable for floor-standing WCs, baby WCs and WCs
for children.
The WC element has an R ½ inch water connection.
NOTICE!
Always use the newly delivered hose set for the water
connection. Do not use old hose sets.
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
WC ceramic
Water connection
Actuation versions
Handling
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3.1.2 Installation dimensions
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Fig. 2: Dimensional drawing
3.2 Assembly
3.2.1 Shortening the element (optional)
▶Pull the feet out of the element.
Handling
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▶Open the quick-action fasteners.
▶Push top crossbeam downwards.
▶Pull the flushing pipe off the cistern.
▶Pull the crossbeams out of the element.
▶Use a hacksaw to shorten the element at the markings.
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▶Push the crossbeams back in.
▶Shorten the flushing pipe.
▶Insert the flushing pipe.
▶Attach the flushing pipe to the crossbeam.
INFO! Make sure the feet are correctly seated.
▶Push the feet into the element.
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Handling
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3.2.2 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 of 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
X2: 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.
Mounting to a masonry or concreted wall
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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.
▷The element is attached to the wall.
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Handling
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Mount the Prevista Dry Plus pre-wall construction pur‐
suant to the instructions for use of the Prevista Dry Plus
system.
NOTICE!
When mounting without a continuous rail above the ele‐
ment, the Prevista Dry Plus fixing set (model 8570.49)
must also be used. See example with WC element model
8521.
▶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.
Mounting in Prevista Dry Plus
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▶Fix the element with the Prevista Dry Plus rail connectors.
▷The 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.
▶Attach the element to the support profiles using the screws sup‐
plied.
Mounting in metal support profile
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Handling
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3.2.3 Connecting concealed cistern
▶Turn the cover plate lock 90° in anti-clockwise direction.
▶Remove the cover plate.
▶Place the press connector onto the water supply.
▶Press the connection.
▶Seal the threaded connectors of the corner valve.
▶Screw the corner valve into the thread side of the connector.
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! Observe the proper fit of the corner valve.
▶Use the lock nut to screw the corner valve and the cistern to each
other.
▶Remove the protective cap from the water supply hose.
▶Screw the water supply hose and the corner valve to each other
hand tight.
INFO! If a WC flush plate with electronic flush actuation is to
be mounted, the small flush volume must be set to 2 litres.
▶Set the flush volume as applicable, Ä Chapter 3.2.6 „Setting the
flush volume“ on page 23.
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Handling
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