Viega 8655.11 User manual

Instructions for Use
Electronics accessory set
For electronic WC flush plates for Prevista
Model Year built (from)
8655.11 03/2019
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 Safety advice 5
2.3 Intended use 5
2.3.1 Areas of use 5
2.4 General notes 6
2.5 Product description 7
2.5.1 Overview 7
2.5.2 Technical data 8
2.5.3 Connection diagram 8
2.6 Accessories 9
3Handling 10
3.1 Assembly information 10
3.1.1 Mounting conditions 10
3.1.2 Required material and tools 11
3.2 Assembly 11
3.2.1 Setting the flush 11
3.2.2 Mounting with flush plate in front position 14
3.2.3 Mounting with flush plate in top position 19
3.3 Disposal 24
Table of contents
Electronics accessory set 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
nQualified electricians
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
Electronics accessory set 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
Electronics accessory set 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
Protection area for installation of
the power pack in shower and
bath rooms
VDE 0100-701
Regulations from section: Technical data
Scope / Notice Regulations applicable in Ger‐
many
Electrical approvals EN 60950
Electrical approvals EN 60335
Electrical approvals EN 61558
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 electrics may only be carried out by
trained electricians.
nSwitch off the mains voltage before connecting the
power pack.
2.3 Intended use
2.3.1 Areas of use
The electronic accessory set is required for the power supply and the
control of electronic WC flush plates for Prevista.
Product information
Electronics accessory set 5

2.4 General notes
nIf you notice any damage on the product or individual components,
do not carry out a repair. Instead, have the product replaced by
qualified personnel.
nThis product is not intended for use by persons (including children)
with restricted physical, sensory or mental aptitude or lack of experi‐
ence and/or knowledge.
nMake sure that children do not play with this product.
nA disconnect device with a contact opening width that fulfils the con‐
ditions of overvoltage category III for full separation in accordance
with the installation requirements must be installed at each terminal
of the fixed electrical installation.
Observe the symbol listed on the label:
Symbol Description
CE marking, Product Safety in
Europe
EAC marking, registration of prod‐
ucts in the territory of the Cus‐
toms Union
Direct current
Protection class III
Symbols
Product information
Electronics accessory set 6

Symbol Description
The marked product must not be
disposed of as household waste.
2.5 Product description
2.5.1 Overview

1 Electronic drive unit
2 Power pack
3 Terminal
Product information
Electronics accessory set 7

2.5.2 Technical data
Input (power pack) 100–240 V AC, 50–60 Hz, 100 mA
Output (power pack) 6.5 V DC, 800 mA
Electrical approvals see section Ä „Regulations from sec‐
tion: Technical data“ on page 5.
Motor
Voltage [V] Current [mA]
6.5 500
2.5.3 Connection diagram
/-7_7EBUBEBUB
Fig. 1: Connection diagram, power pack, WC flush plate for Prevista
1 Power pack
2 Electronic drive unit
3 WC flush plate for Prevista
Electronics
Voltage and current
Product information
Electronics accessory set 8

2.6 Accessories
installation set (model 8640.14)
The installation set contains a hollow wall socket to house the power
pack and an empty pipe to connect the cistern.
Extension cable (model 8352.690)
2 metre cable for the extension of the power supply.
Use a maximum of two extension cables with the power
pack (4.75 meter total length).
Connection cable (model 8570.55)
3-meter cable for external flush actuation with on-site and commercially
available buttons with closing function or potential-free contact (closing
period 350 ms)
Optional accessories
Product information
Electronics accessory set 9

3 Handling
3.1 Assembly information
3.1.1 Mounting conditions
The power pack should be mounted in an easily accessible place to
allow subsequent access.
Before beginning to clad, a concealed socket should be installed for the
power pack with empty pipe to the cistern (installation set Ä „Optional
accessories“ on page 9).
If necessary, the power pack cable can be extended to a length of
4.75 metres (two extension cables
Ä „Optional accessories“ on page 9).
X1
X2
X3
Fig. 2: Installation position of the power pack
X1 max. 0.75 m
X2 max. 2.75 m with an extension cable (article number 628 505)
X3 max. 4.75 m with two extension cables (article number 628 505)
An extension of the mains supply by more than 5 metres
can lead to a situation in which the power is not sufficient
to actuate the flush.
Protected zone
Installation position of the power pack
Handling
Electronics accessory set 10

Fig. 3: Protected zones
According to the applicable regulations, installation of the power pack in
the protected zones 0 and 1 of shower rooms and bathrooms is not per‐
mitted, see Ä „Regulations from section: Fields of application /
Mounting conditions“ on page 5.
Viega recommends installing the power pack outside of the protected
zones 0–2.
3.1.2 Required material and tools
The following material is required for mounting:
nif necessary, empty pipe from power pack into the cistern
3.2 Assembly
3.2.1 Setting the flush
The smallest possible flush volume must be set at the
drain valve in the cistern.
The flush volume is set via the DIP switch of the drive unit.
Material
Handling
Electronics accessory set 11

1 2 3 4 5 6 7 8



"#$
A Setting of the flush volume
B Interval of the Viega Hygiene+ function
C Setting the flush volume of the Viega Hygiene+ function
0 DIP switch position: OFF
1 DIP switch position: ON
The assignment of the DIP switches:
nSwitches 1-4 define the flush volume.
nSwitches 5-7 define the interval of the Viega Hygiene+ function.
nSwitch 8 defines the flush volume of the Viega Hygiene+ function.
NOTICE!
Damage due to moisture
Risk of damage to the drive unit if moisture penetrates.
nDo not remove the protective cover of the DIP
switches.
Handling
Electronics accessory set 12

Setting the flush volumes (A)
Program no. Large flush
volume (in litres)
Small flush
volume
(in litres)
Position of the
switches 1—4
1 2 3 4
Program 0
(factory set‐
ting)
6 3 0 0 0 0
Program 1 3.5 2 0 0 0 1
Program 2 4.5 2 0 0 1 0
Program 3 6 2 0 0 1 1
Program 4 7.5 2 0 1 0 0
Program 5 3.5 3 0 1 0 1
Program 6 4.5 3 0 1 1 0
Program 7 7.5 3 0 1 1 1
Program 8 4.5 4 1 0 0 0
Program 9 6 4 1 0 0 1
Program 10 7.5 4 1 0 1 0
Viega Enabling the Hygiene+ function and setting the intervals (B)
Interval (in hours) Position of switches 5—7
5 6 7
Switched off 0 0 0
1 0 0 1
12 0 1 0
24 0 1 1
72 1 0 0
168 1 0 1
Setting the flush volume of the Viega Hygiene+ function (C)
Flush volume (in litres) Position of switch 8
3 0
7.5 1
Handling
Electronics accessory set 13

3.2.2 Mounting with flush plate in front position
DANGER!
Danger due to electrical current
An electric shock can lead to burns and serious injury and
even death.
nOnly allow electrical work to be carried out by qualified
electricians.
nAlways de-energise the connection cable before work
is commenced.
Observation of the prescribed connection sequence is
required. The power supply must always be connected
last, to ensure that all of the connected components func‐
tion.
Handling
Electronics accessory set 14

Requirements:
nA 230 V mains connection is available on site.
nThe installation position of the power pack complies with the require‐
ments in acc. with
Ä Chapter 3.1.1 „Mounting conditions“
on page 10.
nThe connection cable is de-energised.
▶Remove the shaft cover.
▶Turn the cover plate lock 90° in anti-clockwise direction.
▶Remove the cover plate.
▶Remove the site protection.


Handling
Electronics accessory set 15

▶Put the power pack in place.
▶Remove approx. 1 cm of the insulation on the cables.
▶Push the cables into the terminals.
INFO! Use the cable feedthrough.
▶Route the connection cable from the power pack through the empty
pipe into the cistern.
▶Guide the connection cable out through the cistern.
▶Turn the cover plate 90°.
▶Place the drive unit on the rear of the cover plate.
d
Handling
Electronics accessory set 16

▶Let the drive unit engage in the mechanism.
▶Turn the cover plate 180°.
▶Connect the clip of the mechanism and the drive unit to the eye.
▶Apply the silicon grease to all drive unit connections.
d
Y
Handling
Electronics accessory set 17

▶To establish the power supply, connect the short cable of the drive
unit to the power pack.
▶Guide the long cable of the drive unit forward through the cover
plate.
▶Insert the cover plate into the cistern.
▶Turn the cover plate lock by 90° in a clockwise direction.
▶Insert the shaft cover.
▷The drive unit has been mounted.


Handling
Electronics accessory set 18

3.2.3 Mounting with flush plate in top position
DANGER!
Danger due to electrical current
An electric shock can lead to burns and serious injury and
even death.
nOnly allow electrical work to be carried out by qualified
electricians.
nAlways de-energise the connection cable before work
is commenced.
Observation of the prescribed connection sequence is
required. The power supply must always be connected
last, to ensure that all of the connected components func‐
tion.
Handling
Electronics accessory set 19

Requirements:
nA 230 V mains connection is available on site.
nThe installation position of the power pack complies with the require‐
ments in acc. with
Ä Chapter 3.1.1 „Mounting conditions“
on page 10.
nThe connection cable is de-energised.
▶Remove the shaft cover.
INFO! In the description of the following steps, the cistern is
shown in top view.
▶Turn the cover plate lock 90° in anti-clockwise direction.
▶Remove the cover plate.


Handling
Electronics accessory set 20