Concealed cistern 3L
Product information
Concealed cistern 3L
for floor-standing WC, walling in and around, compatible with all WC flush plates for Prevista
| Year built (from): | 01.05.2020. |
Trade mark rights exist for this document; for further information, go to viega.com/legal .
Target groups
The information in this instruction manual is directed at the following groups of people:
Heating and plumbing experts and trained personnel
Drywall builders
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.
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.
INFO!
This symbol gives additional information and hints.
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.
Standards and regulations
The following standards and regulations apply to Germany / Europe and are provided as a support feature.
Regulations from section: Application areas
Scope / Notice | Regulations applicable in Germany |
|---|---|
Specifications for installations inside buildings conveying water for human consumption | EN 806‑2 |
Product description
Overview
- 1 Concealed cistern 3L
- 2 Fixing material
- 3 Dowels and screws
- 4 Flushing pipe
- 5 Protective plug
- 6 Inspection shaft for the cistern
- 7 Cover for the side not occupied by the inspection shaft
- 8 Corner valve
Technical data
The product has the following technical data:
Pre-assembled water connection |
|---|
Small flush volume |
Large flush volume |
R½ | |
Factory setting | Approx. 3 l |
Setting range | Approx. 2–4 l |
Factory setting | Approx. 6 l |
Setting range | Approx. 3.5–7.5 l |
Water pressure
Water pressure min. | 15 kPa (0.15 bar) |
Water pressure max. | 1000 kPa (10 bar) |
Handling
Assembly information
Installation dimensions
Assembly
Mounting concealed cistern
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Break the locking clips off the wall mountings.
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Push the wall mountings into the mounting brackets.
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Insert the locking clips.
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Adjust the construction height of the concealed cistern in accordance with the on-site marking of the upper edge of the finished floor.
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Mark the fixing points.
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Drill the holes.
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Insert the dowels.
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Align the concealed cistern.
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Tighten the concealed cistern via the mounting brackets using a fork spanner.
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The concealed cistern is attached to the wall.
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Optional: Use a clamp to fix the flush pipe to the wall.
Actuation from the top
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For actuation from the top, maintain a minimum distance of 30 mm from the front edge of the tile to the shaft.
Mounting in the timber stud frame
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Cut out recesses for the drain elbow and the flush plate in the pre-wall finish.
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Align the concealed cistern on the pre-wall finish.
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Tighten the concealed cistern via the mounting brackets.
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The concealed cistern is fastened.
Connecting concealed cistern
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Turn the site protection panel lock 90° anti-clockwise.
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Remove the site protection panel.
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Place the press connector onto the water supply.
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Press the connection.
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Seal the threaded connectors of the corner valve.
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Screw the corner valve into the thread side of the press connector.
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Remove the plug.
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Insert the corner valve into the cistern.
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INFO!
Observe the proper fit of the corner valve.
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Use the lock nut to screw the corner valve and the cistern to each other.
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Remove the protective cap from the flexible hose.
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Screw the flexible hose and the corner valve to each other (hand tight).
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Set the flush volume as applicable, Setting the flush volume .
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Insert the site protection panel into the cistern.
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Turn the site protection panel's lock by 90° clockwise.
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Place the inspection shaft on the site protection panel.
INFO!
To remove the inspection shaft, press in the fixing clips at the side.
Conversion of the actuation from above
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Remove the cover and insert at the front.
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Place the inspection shaft on the site protection panel.
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For actuation from the top, maintain a minimum distance of 30 mm from the front edge of the tile to the shaft.
Setting up and cladding the concealed cistern
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Attach the protective plug of the flushing pipe elbow.
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Brick in the concealed cistern.
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NOTICE!
Do not load the concealed cistern.
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The wall construction must be at least 10 mm.
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Installation from the front:
Tile the concealed cistern.
-
Installation from above:
Tile the concealed cistern.
Setting the flush volume
Requirements:
The cistern is freely accessible.
The water supply has been shut off.
The ceramic has been mounted.
-
Fold the tabs forward.
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Lift the drain valve.
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Remove the drain valve through the revision opening.
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Set the large flush volume at the drain valve.
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Set the small flush volume at the drain valve.
Setting the flush flow
Requirements:
The drain valve has been dismounted.
The flushing throttle has been removed.
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Unlock the flushing throttle.
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Set the flush flow at the throttle.
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Lock the flushing throttle.
Cleaning and maintenance
Cleaning and maintenance of the concealed cistern
The concealed cistern is constantly under mechanical, chemical, and physical stress. For this reason, the components must be cleaned as required, and the drain and filling valve seals renewed.
In areas or regions with hard water due to high concentration of calcium or magnesium salts, there is the risk of limescale deposits developing on the inlet and drain valves. The valves may have to be replaced, depending on the extent of the deposits.
Disposal
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.