Viega Prevista 8524.19 Manuale utente

Instructions for Use

Prevista Dry WC element building

project version

for WC flush plates for Prevista

Model Year built (from)

8524.19 07/2019

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 Intended use 5

2.2.1 Areas of use 5

2.3 Product description 6

2.3.1 Overview 6

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 12

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 18

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

2.2 Intended use

2.2.1 Areas of use

The Prevista Dry WC element is suitable for mounting on masonry wall

constructions pursuant to the regulations in section

„Regulations

from section: Fields of application / Mounting conditions“ on page 5.

Product information

Prevista Dry WC element building project version 5

2.3 Product description

2.3.1 Overview



Fig. 1: Components

1 concealed cistern 3L

2 Drain elbow

3 Holder for drain elbow

4 Reducer

5 threaded rods for wall-mounted WC

(gauges for bore hole 180 or 230 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 Fixing set (model 8180.73)

12 Protective plug for drain elbow DN90

13 Protective plug for flushing pipe elbow

14 Revision shaft cover

15 Corner valve

2.3.2 Compatible components

The WC element is compatible with all common WC ceramics, even

with larger projection (barrier-free).

Product information

Prevista Dry WC element building project version 6

The WC element can be extended by the following compatible compo‐

nents:

nAccessory set connection electronic model 8655.11

▶Mount the components in accordance with the respective instruc‐

tions 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

Water pressure min. 15 kPa (0.15 bar)

Water pressure max. 1000 kPa (10 bar)

Flush volume

Water pressure

Product information

Prevista Dry WC element building project version 7

3 Handling

3.1 Assembly information

3.1.1 Mounting conditions

The wall constructions must comply with the regulations in section

„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 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 building project version 8

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

▶Determine and mark the fixing points.

nX1: 1100 mm

X2: 390 mm

▶Drill the holes.

▶Insert the dowels.

▶Mount the fixing set.

▶Determine and mark the fixing points on the floor.

nX3: 375 mm

▶Drill the holes.

▶Insert the dowels.

Mounting to a masonry wall

9



9

9

Handling

Prevista Dry WC element building project version 10

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