Viega Prevista Pure 8512 User manual

for WC flush plates for Prevista, walling in and around
Model Year built:
8512 from 03/2019
en_INT
Prevista Pure WC block 3H
Instructions for Use

Prevista Pure WC block 3H 2 from 21

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 Intended use 6
2.1.1 Areas of use 6
2.2 Product description 6
2.2.1 Overview 6
2.2.2 Compatible components 7
2.2.3 Technical data 7
2.3 Accessories 7
3Handling 8
3.1 Assembly information 8
3.1.1 Installation dimensions 8
3.2 Assembly 9
3.2.1 Mounting the WC block 9
3.2.2 Connecting concealed cistern 12
3.2.3 Mounting the drain elbow 15
3.2.4 Setting up and bricking in the WC block 17
3.2.5 Setting the flush volume 19
3.3 Cleaning and maintenance 21
3.4 Disposal 21
Table of contents
Prevista Pure WC block 3H 3 from 21

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 Pure WC block 3H 4 from 21

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 Pure WC block 3H 5 from 21

2 Product information
2.1 Intended use
2.1.1 Areas of use
The Prevista Pure WC block is suitable for walling in and around, for
single mounting, for line mounting, wall mounting, and stand-alone
mounting.
This model is equipped with dual flush technology. The Prevista Pure
WC block can generally be used with all types of WC ceramic.
2.2 Product description
2.2.1 Overview
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1 3H concealed cistern
2 Reducer
3 Holder for drain elbow
4 Drain elbow
5 Wall mounting
6 Threaded rods for fixing sanitary objects (gauges for bore hole 180
or 230 mm)
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
Product information
Prevista Pure WC block 3H 6 from 21

12 Protective plug for drain elbow DN90
13 Revision shaft cover
14 Corner valve
2.2.2 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
nFixing set model 8180.73
nAccessory set connection electronic model 8655.11
Mount the components in accordance with the respective instructions
for use.
2.2.3 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
2.3 Accessories
You require the Prevista Pure standing bracket model 8570.54 to enable
the stand-alone mounting of the Prevista Pure WC block.
Flush volume
Standing bracket for stand-alone mounting
Product information
Prevista Pure WC block 3H 7 from 21

3 Handling
3.1 Assembly information
3.1.1 Installation dimensions
Fig. 1: Dimensional drawing
Handling
Prevista Pure WC block 3H 8 from 21

3.2 Assembly
3.2.1 Mounting the WC block
Remove the protection box.
Break the locking clips off the wall mountings.
Push the wall mountings into the element.
Insert the locking clips.
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Handling
Prevista Pure WC block 3H 9 from 21

Adjust the construction height of the WC block in accordance with
the on-site marking of the upper edge of the finished floor.
X = 1000 mm
Mark the fixing points.
Drill the holes.
Insert the dowels.
Tighten the WC block via the mounting brackets using a fork
spanner (size 13).
9
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Handling
Prevista Pure WC block 3H 10 from 21