Page 1
Easytop concealed domestic water meter
unit
Instructions for Use
for drinking water installation
Model Year built:
2231.4 from 04/2017
en_INT
Page 2
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Page 3
Table of contents
1 About these instructions for use 4
Table of contents
1.1
1.2
1.3
Target groups 4
Labelling of notes 4
About this translated version 5
2 Product information 6
2.1
2.2
2.2.1
2.2.2
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.4
2.4.1
2.5
Standards and regulations 6
Intended use 8
Areas of use 8
Media 8
Product description 8
Overview 9
Threaded connection 9
Markings on components 9
Compatible components 9
Technical data 10
Information for use 10
Corrosion 10
Optional accessories 10
3 Handling 13
3.1
3.1.1
3.1.2
3.2
3.2.1
3.2.2
3.3
3.4
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Assembly information 13
Installation dimensions 13
Mounting instructions 13
Assembly 14
Mounting the valve 14
Leakage test 15
Maintenance 16
Disposal 16
Page 4
About these instructions for use
1 About these instructions for use
Trade mark rights exist for this document, further information can be
found at
1.1 Target groups
The information in this manual is directed at heating and sanitary professionals and trained personnel.
It is not permitted for individuals without the abovementioned training or
qualification 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.
viega.com/legal
.
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 against possible life-threatening injury.
WARNING!
This symbol warns against possible serious injury.
CAUTION!
This symbol warns against possible injury.
NOTICE!
This symbol warns against possible damage to property.
Notes give you additional helpful tips.
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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, standards, 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
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2 Product information
2.1 Standards and regulations
The following standards and regulations apply to Germany / Europe.
National regulations can be found on the relevant web site of your
country at
Regulations from section: Fields of application
Scope / Notice Regulations applicable in Ger-
viega.com/standards
Product information
.
many
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
DIN EN 806, part 1
DIN EN 806, part 2
DIN EN 806, part 3
DIN EN 806, part 4
DIN EN 806, part 5
DIN EN 1717
DIN 1988
Planning, execution, operation
and maintenance of drinking
water installations
Planning, execution, operation
and maintenance of drinking
water installations
Regulations from section: Media
Scope / Notice Regulations applicable in Ger-
Suitability for drinking water Trinkwasserverordnung (TrinkwV)
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VDI/DVGW 6023
Trinkwasserverordnung (TrinkwV)
many
Trinkwasserverordnung (TrinkwV)
Page 7
Regulations from section: Product description
Scope / Notice Regulations applicable in Ger-
Product information
many
Suitability for drinking water
installations
Suitability for drinking water
installations
Requirements in plastic components in drinking water installations
Regulations from section: Threaded connection
Scope / Notice Regulations applicable in Ger-
Threaded pair DIN EN 10226-1
Permitted sealants DIN 30660
Permitted sealants DIN EN 751-2
Regulations from section: Corrosion
Scope / Notice Regulations applicable in Ger-
Trinkwasserverordnung (TrinkwV)
DIN 50930-6
DVGW-Arbeitsblatt W270
many
many
External corrosion protection DIN EN 806-2
External corrosion protection DIN 1988-200
External corrosion protection DKI-Informationsdruck i. 160
Regulations from section: Leakage test
Scope / Notice Regulations applicable in Ger-
Leakage test for drinking water
installations
Leakage test for drinking water
installations
many
DIN EN 806, part 4
ZVSHK-Merkblatt
„Dichtheitsprüfungen von Trinkwasserinstallationen mit Druckluft,
Inertgas oder Wasser‟
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Regulations from section: Maintenance
Scope / Notice Regulations applicable in Ger-
Product information
many
2.2 Intended use
2.2.1 Areas of use
Operation and maintenance of
drinking water installations
DIN EN 806-5
Coordinate the use of the model for areas of use and media
other than those described with the Viega Service Center.
Use is possible in the following areas among others:
n Drinking water installations
The model serves as a shut-off for the storey units.
It provides the possibility to attach a Koax G 2 measuring capsule.
2.2.2 Media
2.3 Product description
The general rules of engineering and the applicable regulations must be
observed for planning, execution, operation and maintenance of
drinking water installations, see
application“ on page 6
The model is also suitable for the following media, amongst others:
n
Drinking water without limitations acc. to the applicable directives,
see
Ä „Regulations from section: Media“ on page 6
n maximum chloride concentration 250 mg/l pursuant to applicable
regulations, see
According to the applicable regulations, Easytop system fittings can be
used for all types of drinking water and are DVGW certified, see
.
Ä „Regulations from section: Media“ on page 6
Ä „Regulations from section: Product description“ on page 7
plastic components comply with the KTW recommendation and the
requirements pursuant to the applicable regulations.
Ä „Regulations from section: Fields of
. Their
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2.3.1 Overview
Product information
The model is equipped as follows:
n top
n site protection
n dual-sided Rp-thread
n valve seat and valve plate unit made of stainless steel
n concealed straight seat valve
n recess for Coax G 2 measuring capsules
n blind flange
The model is available in the following dimension: Rp ¾.
2.3.2 Threaded connection
Prerequisite for a threaded connection, which seals via a thread, is a
threaded pair in accordance with applicable regulations, see
tions from section: Threaded connection“ on page 7
regulations, a permitted threaded pair comprises a conical external
thread and a cylindrical internal thread, e.g. R ¾ and Rp ¾.
Only use commercially available and chloride-free, DVGW approved
sealant in accordance with the applicable regulations to seal threads,
see
2.3.3 Markings on components
The model is marked as follows:
n flow direction indicator
n dimension
n DVGW writing
n position indicator
Ä „Regula-
. Pursuant to these
Ä „Regulations from section: Threaded connection“ on page 7
.
2.3.4 Compatible components
Water meter / Measuring capsule
Observe the manufacturer's instructions for mounting and use.
Should you have any questions on this subject, please contact the
Viega Service Center.
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2.3.5 Technical data
Product information
Observe the following operating conditions for the installation of the
model:
2.4 Information for use
2.4.1 Corrosion
Operating temperature [T
Operating pressure [P
Overground pipelines and fittings in rooms do not normally require
external corrosion protection.
There are exceptions in the following cases:
n Contact with aggressive building materials such as nitrite or mate-
rials containing ammonium
n in aggressive surroundings
If external corrosion protection is required, observe the pertinent guidelines, see
Ä „Regulations from section: Corrosion“ on page 7
] 90 °C
max
] 1.0 MPa (10 bar)
max
.
Easytop fittings made of gunmetal are suitable for all types
of drinking water.
The chloride concentration in the medium must not exceed
a maximum value of 250 mg/l.
2.5 Optional accessories
This chloride is not a disinfectant, but in fact pertains to the
content in sea and table salt (sodium chloride).
The following optional accessories are available:
n Equipment sets
n Public building model
n Mounting sets
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Fig. 1: Model 2236.10, equipment set
Product information
Fig. 2: Model 2236, equipment set
Fig. 3: Model 2236.50, public building model
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Fig. 4: Model 2235.90, mounting set front position
Product information
Fig. 5: Model 2235.95, mounting set rear position
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3 Handling
3.1 Assembly information
3.1.1 Installation dimensions
Handling
3.1.2 Mounting instructions
Checking system components
During assembly
A - at least 45 mm
B - maximum 77 mm
Do not remove the model from the packaging until immediately before use.
System components may, in some cases, become damaged through
transportation and storage.
n Check all parts.
n Replace damaged components.
n Do not repair damaged components.
n Contaminated components may not be installed.
A blind flange ensures unhindered operation until assembly is completed.
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3.2 Assembly
3.2.1 Mounting the valve
Handling
Observe the following when mounting:
n flow direction indicator
n minimum / maximum installation depth
n use suitable tools
Choose the place of installation so that the fitting is easily
accessible and simple to operate.
Carry out a functionality test after initial mounting.
Installation is possible in masonry (wet construction) and in dry constructions (pre-wall / duct installations).
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Attaching in dry constructions
Handling
Attach the fitting from behind with the fixing set onto a Viega fitting
holder with slot nuts.
Seal the wall lead-in on the front side of the wall with the self-adhesive sealing flange.
Fig. 6: 2235.95 Fixing set back
Fig. 7: 2235.90 Fixing set front
Actuating the valve
3.2.2
Leakage test
Attach the protective sleeve of the valve in front of and behind the
cladding (e. g. sheetrock or Fermacell panels) with lock nuts.
Seal the wall lead-in on the front side of the wall with the self-adhesive sealing flange.
Open or close the valve clockwise or anti-clockwise respectively.
During the preliminary building work phases:
Actuate the valve via the protective cap.
The installer must perform a leakage test before commissioning.
Carry out this test on a system that is finished but not yet covered.
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3.3 Maintenance
Handling
Comply with the general rules of engineering and the applicable directives, see
Document the result.
Observe the applicable regulations for the operation and maintenance
of drinking water installations, see
nance“ on page 8
Ä „Regulations from section: Leakage test“ on page 7
NOTICE!
Inform your customer or the operator of the drinking water
installation that the system has to be maintained on a regular basis.
.
Ä „Regulations from section: Mainte-
.
3.4 Disposal
Viega recommends actuating the fitting regularly and
checking its function.
Separate the product and packaging materials (e. g. paper, metal,
plastic or non-ferrous metals) and dispose of in accordance with valid
national legal requirements.
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