Viega Prevista Dry WC User manual

for WC flush plates for Prevista
Model Year built:
8525.35 from 04/2019
en_INT
Prevista Dry WC element foot fastening at
rear side 1120 mm
Instructions for Use

Prevista Dry WC element foot fastening at rear side 1120 mm 2 from 24

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 advice 6
2.3 Intended use 6
2.3.1 Areas of use 6
2.4 Product description 7
2.4.1 Overview 7
2.4.2 Compatible components 7
2.4.3 Technical data 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 Mounting WC element 10
3.2.2 Connecting concealed cistern 14
3.2.3 Mounting the drain elbow 18
3.2.4 Establish power and water supply (optional) 19
3.2.5 Set and clad the WC element 20
3.2.6 Setting the flush volume 22
3.3 Cleaning and maintenance 24
3.4 Disposal 24
Table of contents
Prevista Dry WC element foot fastening at rear side 1120 mm 3 from 24

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 foot fastening at rear side 1120 mm 4 from 24

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 foot fastening at rear side 1120 mm 5 from 24

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
2.2 Safety advice
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 pursuant to the regulations in section Ä „Regulations
from section: Fields of application / Mounting conditions“ on page 6.
Product information
Prevista Dry WC element foot fastening at rear side 1120 mm 6 from 24

2.4 Product description
2.4.1 Overview

Fig. 1: Components
1 concealed cistern 3L
2 Empty pipe for shower WC connection
3 drain elbow
4 Holder for drain elbow
5 reducer
6 threaded rods for wall-mounted WC
(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 Fixing set (model 8180.73)
13 Fixing set (model 8570.36)
14 Protective plug for flushing pipe elbow
15 Revision shaft cover
16 Corner valve
2.4.2 Compatible components
The WC element is compatible with all common WC ceramics, even
with larger projection (barrier-free).
Product information
Prevista Dry WC element foot fastening at rear side 1120 mm 7 from 24

The WC element can be extended by the following compatible compo‐
nents:
nPrevista Dry fixing element
nPrevista shower WC connection set model 8570.64
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.
2.4.3 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)
Connection shower WC
Flush volume
Water pressure
Product information
Prevista Dry WC element foot fastening at rear side 1120 mm 8 from 24

3 Handling
3.1 Assembly information
3.1.1 Mounting conditions
nMasonry walls
nConcreted walls
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 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
Actuation versions
Handling
Prevista Dry WC element foot fastening at rear side 1120 mm 9 from 24

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 foot fastening at rear side 1120 mm 10 from 24