Viega Prevista Dry 8524 User manual

Instructions for Use
Prevista Dry WC element building
project version
for WC flush plates for Prevista
Model Year built (from)
8524 09/2018
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 Intended use 5
2.2.1 Areas of use 5
2.3 Product description 5
2.3.1 Overview 5
2.3.2 Compatible components 6
2.3.3 Technical data 7
3Handling 8
3.1 Assembly information 8
3.1.1 Mounting conditions 8
3.1.2 Installation dimensions 9
3.2 Assembly 9
3.2.1 Mounting WC element 9
3.2.2 Connecting concealed cistern 13
3.2.3 Mounting the drain elbow 16
3.2.4 Set and clad the WC element 17
3.2.5 Setting the flush volume 19
3.3 Cleaning and maintenance 21
3.4 Disposal 21
Table of contents
Prevista Dry WC element building project version 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 building project version 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 building project version 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 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 5.
2.3 Product description
2.3.1 Overview
The WC element is equipped as follows:
Product information
Prevista Dry WC element building project version 5

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Fig. 1: Components
1 3H concealed cistern
2 Holder for drain elbow
3 Drain elbow
4 Reducer
5 Threaded rods for fixing sanitary objects (gauges for bore hole
180 mm)
6 Screws and dowels for fixing in the floor
7 Screws for fixing in support profile
8 Mounting set for WC ceramic
9 Flushing pipe
10 WC connection socket with lip seal
11 Protective plug for flushing pipe elbow
12 Protective plug for drain elbow DN90
13 Revision shaft cover
14 Corner valve
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 8573
Product information
Prevista Dry WC element building project version 6

nFixing set model 8180.73
nAccessory set connection electronic model 8655.11
Mount the components in accordance with the respective instructions
for use.
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
Flush volume
Product information
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3 Handling
3.1 Assembly information
3.1.1 Mounting conditions
nMasonry walls
nConcreted walls
nMetal support profiles
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 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).
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 of the support bracket when mounting.
Handling
Prevista Dry WC element building project version 9

For mounting, Viega recommends to use the fixing set
(model 8180.73).
▶Determine and mark the fixing points.
nX1: 1100 mm
nX2: 390 mm
▶Determine and mark the fixing points on the floor.
nX3: 400 mm
▶Drill the holes.
▶Insert the dowels.
INFO! Mount the fixing set (model 8180.73) pursuant to the
instructions for use for the fixing set.
▶Loosen the feet of the element using a fork spanner.
Mounting to a masonry wall
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9
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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.
▷The element is attached to the wall.
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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
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9
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Handling
Prevista Dry WC element building project version 12

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
Prevista Dry WC element building project version 13

▶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.
▶Insert the cover plate into the cistern.
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▶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.
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Handling
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3.2.3 Mounting the drain elbow
▶Insert the mounting bracket for the drain elbow.
▶Insert the drain elbow to the desired depth.
▶Secure the drain elbow using the bow.
▶Attach the protective plug of the flushing pipe elbow.
▶Put the protective plug of the drain elbow on.
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Handling
Prevista Dry WC element building project version 16

3.2.4 Set and clad the WC element
▶Turn in the threaded rods by hand.
For 180 mm gauge for bore hole: Counter the threaded rods in front
of the element with a nut.
▶Place the protective caps on the threaded rods.
▶Corn the gypsum cardboard cladding panel at the revision shaft and
at the site protection by applying gentle pressure.
▶Cut out the recesses for the site protection, the revision shaft and
the threaded rods.
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Handling
Prevista Dry WC element building project version 17

▶Clad the element with suitable gypsum cardboard cladding panels.
Handling
Prevista Dry WC element building project version 18

3.2.5 Setting the flush volume
Requirements:
nThe cistern is freely accessible.
nThe water supply has been shut off.
nThe ceramic has been mounted.
▶Fold the tabs forward.
▶Lift the drain valve.
▶Remove the drain valve through the revision opening.
Handling
Prevista Dry WC element building project version 19

▶Set the large flush volume at the drain valve.
▶Set the small flush volume at the drain valve.
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Handling
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