Viega Grundfix Plus Manuale utente

Instructions for Use

Grundfix Plus Control backflow

trap type 3

for wastewater pipe containing faeces

Model Year built (from)

4987.41 01/2010

INT

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 7

2.3 Intended use 7

2.3.1 Areas of use 7

2.3.2 Place of installation and installation conditions 8

2.3.3 Maintenance 10

2.4 Product description 11

2.4.1 Overview 11

2.4.2 Technical data 12

2.4.3 Operating mode 13

2.4.4 Control elements 13

3Handling 15

3.1 Assembly information 15

3.1.1 Installation dimensions 15

3.2 Assembly 16

3.2.1 Mount base unit 16

3.2.2 Connecting connection cable and pressure hose 16

3.2.3 Connecting the control 18

3.3 Commissioning 22

3.3.1 Commissioning the control 22

3.3.2 Pressure test 23

3.4 Control 25

3.4.1 Operating conditions 25

3.4.2 Operating condition - normal operation 26

3.4.3 Operating condition – back pressure 29

3.4.4 Operating condition – malfunction 29

3.4.5 Operating condition – battery-powered emer‐

gency operation 30

3.5 Errors, faults and remedy 31

3.6 Care and maintenance 33

Table of contents

Grundfix Plus Control backflow trap type 3 2

3.6.1 Inspection 33

3.6.2 Maintenance 34

3.6.3 Replacing the rechargeable battery 39

3.7 Disposal 41

Table of contents

Grundfix Plus Control backflow trap type 3 3

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 plumbing experts and trained personnel

nQualified electricians

nOperators

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

Grundfix Plus Control backflow trap type 3 4

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

Grundfix Plus Control backflow trap type 3 5

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: Place of installation and installation condi‐

tions

Scope / Notice Regulations applicable in Ger‐

many

Correct place of installation of the

backflow trap

EN 12056

Securing of drainage points

beneath the backflow level

DIN EN 12056-4

Securing of drainage points

beneath the backflow level

DIN 1986-100

Requirements in backflow traps

type 3

EN 13564

Regulations from section: Application areas

Scope / Notice Regulations applicable in Ger‐

many

Grundfix Plus Control meets the

requirements as type 3 backflow

trap with double backflow protec‐

tion

EN 13564

Regulations from section: Disposal

Scope / Notice Regulations applicable in Ger‐

many

Disposal of electronic compo‐

nents

WEEE-Richtlinie 2012/19/EU

Regulations from section: Inspection

Scope / Notice Regulations applicable in Ger‐

many

Monthly inspection DIN 1986-3

Product information

Grundfix Plus Control backflow trap type 3 6

2.2 Safety advice

DANGER!

Danger due to electrical current

An electric shock can lead to burns and serious injury and

even death.

nWork on the electrical system may only be carried out

by trained electricians.

nRemove the mains plug before opening the casing.

2.3 Intended use

2.3.1 Areas of use

The Grundfix Plus Control is operated electrically. It is suitable for use in

drain pipelines with household-type wastewater carrying faecal matter

(up to a temperature of 95 °C with pH values of ≥ 4 or ≤ 10).

The backflow trap is suitable for use in drain pipelines made of HT or

sewer pipe DN 100, 125 or 150. When using other pipes such as e.g.

clay pipes or cast-iron pipes, the relevant adapters for HT and sewer

pipes must be used.

Use in industrial areas or in pipelines, which transport aggressive liquids

is not permitted. This includes cleaning agents, which can damage sani‐

tary equipment, drainage equipment and pipe materials.

Viega recommends closing the emergency trap if operation, where no

wastewater is produced, is interrupted for a number of days.

Product information

Grundfix Plus Control backflow trap type 3 7

2.3.2 Place of installation and installation conditions

According to applicable regulations, drainage points beneath the back‐

flow level should be secured against backflow from the sewer, see

‘Regulations from section: Place of installation and installation condi‐

tions’ on page 6.

A backflow trap can be used if

nthere is a downward slope to the sewer;

nthe rooms are of lower-ranking significance, i.e. neither the inhabi‐

tants' health nor major assets would be damaged in case of flooding

of the rooms;

nthe system is used by a small number of people, and these people

have another WC at their disposal above the back pressure level

which they could use in case of a backflow at the drainage point.

Fig. 1: Wrong place of installation of the backflow trap

Product information

Grundfix Plus Control backflow trap type 3 8

Fig. 2: Correct place of installation of the backflow trap

1 Street = Backflow level

2 Area safe from backflow

Product information

Grundfix Plus Control backflow trap type 3 9

3 Connection upper floor

4 Area at risk of backflow

5 Protection against backflow through backflow trap

The connection of the upper floor (3) onto the underground pipe must

be made between the backflow trap and sewer within the building (5) –

only then is it possible to ensure that the wastewater system can func‐

tion faultlessly. To ensure that drainage is permanently guaranteed,

backflow traps may not be employed as the central safeguard for a

building with drainage equipment installed above the backflow level (1) –

in the event of backflow, it would lead to flooding in the building due to

wastewater being unable to drain away (4).

See

‘Regulations from section: Place of installation and installation

conditions’ on page 6

Backflow protections and their control units should be installed in such

a way that they are always accessible.

The backflow sensor reacts at accumulation heights of

100 mm, measured from the upper edge of the base pipe‐

line.

Therefore, when planning, the installation heights of the

existing floor drains, out of which water could flow in the

case of backflow, must be taken into account.

If a backflow trap is retro-fitted in a base pipeline, the

height difference of 30 mm between connection pipe and

sleeve must be taken into account.

2.3.3 Maintenance

A monthly inspection must be carried out to ensure safe operation. See

Chapter 3.6.1 ‘Inspection’ on page 33

Maintenance must be carried out twice a year to ensure safe operation.

See

Chapter 3.6.2 ‘Maintenance’ on page 34

Product information

Grundfix Plus Control backflow trap type 3 10

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