Viega Easytop xl series User manual

for potable water installation

Model Year built:

2238.5XL from 04/2017

en_INT

Easytop XL CRV slanted seat valve (com‐

bined free flow valve with backflow pre‐

venter) with flange connection

Instructions for Use

Easytop XL CRV slanted seat valve (combined free flow valve with backflow preventer) with flange connection 2 from 14

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 Intended use 8

2.2.1 Areas of use 8

2.2.2 Media 8

2.3 Product description 8

2.3.1 Overview 9

2.3.2 Markings on components 9

2.3.3 Compatible components 10

2.3.4 Operating mode 10

2.3.5 Technical data 10

2.4 Information for use 11

2.4.1 Corrosion 11

2.5 Optional accessories 11

3Handling 13

3.1 Assembly information 13

3.1.1 Mounting instructions 13

3.2 Assembly 13

3.2.1 Leakage test 13

3.3 Maintenance 14

3.4 Disposal 14

Table of contents

Easytop XL CRV slanted seat valve (combined free flow valve with backflow preventer) with flange connection 3 from 14

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 manual is directed at heating and sanitary pro‐

fessionals and trained personnel.

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

Easytop XL CRV slanted seat valve (combined free flow valve with backflow preventer) with flange connection 4 from 14

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

Easytop XL CRV slanted seat valve (combined free flow valve with backflow preventer) with flange connection 5 from 14

2 Product information

2.1 Standards and regulations

The following standards and regulations apply to Germany / Europe and

are provided as a support feature.

Scope / Notice Regulations applicable in Ger‐

many