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BWT Rondomat Duo-DVGW 3 - User Manual

BWT Rondomat Duo-DVGW 3
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1-510286 / 11518 / 2013-12 / © BWT Wassertechnik GmbH / Printed in Germany
RondomatRondomat
RondomatRondomat
Rondomat
DuoDuo
DuoDuo
Duo
DupleDuple
DupleDuple
Duple
x Enthärx Enthär
x Enthärx Enthär
x Enthär
tungsanlagentungsanlagen
tungsanlagentungsanlagen
tungsanlagen
DupleDuple
DupleDuple
Duple
x softening unitx softening unit
x softening unitx softening unit
x softening unit
DupleDuple
DupleDuple
Duple
x systèmes d’adoucissement d’eaux systèmes d’adoucissement d’eau
x systèmes d’adoucissement d’eaux systèmes d’adoucissement d’eau
x systèmes d’adoucissement d’eau
Duo-DDuo-D
Duo-DDuo-D
Duo-D
VV
VV
V
GWGW
GWGW
GW
2, 3, 6, 102, 3, 6, 10
2, 3, 6, 102, 3, 6, 10
2, 3, 6, 10
Duo-IDuo-I
Duo-IDuo-I
Duo-I
2, 3, 6, 102, 3, 6, 10
2, 3, 6, 102, 3, 6, 10
2, 3, 6, 10
Duo-I BOB 2, 3, 6, 10Duo-I BOB 2, 3, 6, 10
Duo-I BOB 2, 3, 6, 10Duo-I BOB 2, 3, 6, 10
Duo-I BOB 2, 3, 6, 10
Einbau- und BedienungsanleitungEinbau- und Bedienungsanleitung
Einbau- und BedienungsanleitungEinbau- und Bedienungsanleitung
Einbau- und Bedienungsanleitung
DD
DD
D
Installation and operating manualInstallation and operating manual
Installation and operating manualInstallation and operating manual
Installation and operating manual
GBGB
GBGB
GB
Instructions de montage et d'utilisationInstructions de montage et d'utilisation
Instructions de montage et d'utilisationInstructions de montage et d'utilisation
Instructions de montage et d'utilisation
FF
FF
F
Änderungen vorbehalten!Änderungen vorbehalten!
Änderungen vorbehalten!Änderungen vorbehalten!
Änderungen vorbehalten!
Changes reserved!Changes reserved!
Changes reserved!Changes reserved!
Changes reserved!
Sous réserve de modifications !Sous réserve de modifications !
Sous réserve de modifications !Sous réserve de modifications !
Sous réserve de modifications !

Questions and Answers

  • D
    Donna BrownAug 16, 2025
    What to do if BWT Rondomat Duo-DVGW 3 displays low salt?
    • M
      Mason MckenzieAug 16, 2025
      If your BWT Water Dispenser displays a low salt warning, it means the regenerative wasn't refilled in time. To resolve this, siphon off or extract the brine to the level of the sieve base before refilling the regenerative. Incorrect refilling can cause the softened water to become salty.
  • K
    Kelly JohnsonAug 19, 2025
    What does Service! mean on my BWT Rondomat Duo-DVGW 3?
    • M
      Megan SantiagoAug 19, 2025
      If your BWT Water Dispenser displays 'Service!', it means that maintenance is required after every 500 regenerations.
  • J
    Jordan GriffinAug 22, 2025
    What to do if my BWT Water Dispenser shows 'Service!'?
    • C
      Christina MaxwellAug 22, 2025
      If your BWT Water Dispenser displays 'Service!', this indicates that maintenance is required after every 500 regenerations. In this case, you should contact the after sales service.
  • D
    Debra LarsonAug 25, 2025
    What to do if my BWT Water Dispenser display indicates low salt (low salt! date time)?
    • N
      Nathan RuizAug 26, 2025
      If your BWT Water Dispenser display indicates low salt (low salt! date time), it means the regenerative was not refilled in time. The brine must be siphoned off or extracted to the level of the sieve base. Only after this has been done can the regenerative be refilled. If this is done incorrectly, the softened water will be salty.
  • Z
    zachary78Aug 27, 2025
    Why is my BWT Rondomat Duo-DVGW 3 Water Dispenser not supplying enough water?
    • J
      Jack GutierrezAug 28, 2025
      If your BWT Water Dispenser isn't providing sufficient water or the flow is weak, the inlet pressure might be too low, or the compressed air pressure could be insufficient. Try increasing the inlet pressure, adjusting the pressure reducer if needed, and start a manual regeneration. Also, check the inlet pressure and initiate regeneration.
  • L
    Laura WalkerAug 30, 2025
    How to fix BWT Rondomat Duo-DVGW 3 Water Dispenser not supplying softened water?
    • K
      Kaylee ParkAug 30, 2025
      If your BWT Water Dispenser isn't supplying softened or blended water, it could be due to a lack of regenerative in the salt/brine container or a power supply interruption. Refill the regenerative, wait approximately one hour, and then manually regenerate the system. Also, ensure the electrical connection is properly re-established.
  • D
    David SalinasSep 2, 2025
    What does it mean when my BWT Water Dispenser displays 'Valve defective'?
    • J
      jonathan58Sep 2, 2025
      If your BWT Water Dispenser displays a message indicating that Valve 1, 2, 3, or 4 is defective, the cable to the valve block might be faulty. Check the cable to the valve block and press OK to confirm.
  • A
    Alexandria KellySep 4, 2025
    What does 'Elyse' mean on my BWT Rondomat Duo-DVGW 3 display?
    • S
      stephen38Sep 5, 2025
      If your BWT Water Dispenser displays 'Elyse', it indicates an electrolysis cell overcurrent. Check the cable to the valve block for short circuits and press OK to confirm.
  • K
    Kevin GarciaSep 7, 2025
    What does it mean when my BWT Water Dispenser display indicates 'Elyse'?
    • K
      Katherine RomeroSep 7, 2025
      If your BWT Water Dispenser displays 'Elyse', it indicates an electrolysis cell overcurrent. Check the cable to the valve block for short circuits and press OK to confirm. If the malfunction persists, contact the after-sales service staff.
  • T
    terri82Sep 10, 2025
    How to fix a BWT Water Dispenser that isn't supplying softened water?
    • K
      kelly21Sep 10, 2025
      If your BWT Water Dispenser is not supplying softened or blended water, it might be due to no regenerative in the salt/brine container or a power supply cut off. Refill the regenerative, wait approximately 1 hour, and then regenerate manually. Also, re-establish the electrical connection.

Summary

Safety Instructions

Important Instructions

Important safety guidelines for installation and operation.

Restrictions on Use for Retreated Drinking Water

Guidelines for using treated water for plants and aquatic life.

Checking the Hardness of Blended Water

Regular checks and correction of water hardness.

Scope of Supply

Quantity-Controlled Duplex Softening Unit Components

Lists the components included in the softening unit package.

Description of Type Codes

Explanation of different product model identifiers.

Intended Use

Function

Rondomat Duo Operation Principle

Explains the ion exchange principle and operational method.

Additional Features for Duo DVGW

Details the disinfection device specific to DVGW models.

Additional Features for Duo-I BOB

Describes the extended refill intervals for Duo-I BOB models.

Installation Conditions

Pipeline Network Flushing Requirement

Requirement to flush pipelines before unit installation.

Hard Water Input Requirements

Specifies water quality requirements for the unit's input.

Impact of Chlorine on Softener

Discusses the impact of chlorine on ion exchange resin.

Unit Sizing for Regeneration Frequency

Guidance on sizing the unit for adequate regeneration frequency.

Pipe Material Recommendations

Recommendations for selecting pipe materials for installation.

Protective Filter Installation

Importance and placement of a protective filter upstream.

Installation Location Criteria

Criteria for selecting an appropriate installation location.

Power and Operating Pressure Requirements

Specifies requirements for mains power and operating pressure.

Safety Device Requirement (Hydrostop)

Requirement for a safety device like a hydrostop.

Installation Site Environmental Protection

Environmental protection requirements for the installation site.

Ambient Temperature Limits for Consumption Water

Ambient temperature limits for human consumption water.

Hose Routing for Overflow and Flushing

Instructions for routing overflow and flushing water hoses.

Installation

Installation by the Operator

Steps for installation performed by the user.

Specific Instructions for Units 6 and 10

Specific installation instructions for units 6 and 10.

Disinfectant Solution Preparation

How to prepare the disinfectant solution for filling.

Filling Quantities per Softening Column

Table detailing filling quantities for different models.

Cleaning Column Parts During Installation

Cleaning steps for column parts during installation.

Attaching Control Valve and Adapter

Greasing O-rings and attaching the control valve and adapter.

Mounting the Soft-Control Controller

Mounting the Soft-Control controller onto the plate.

Connecting to the Water Supply Network

Connecting the unit to the main water supply.

Connecting the Brine Hose

Connecting the brine hose to the unit.

Connecting the Flushing Water Hose

Connecting the flushing water hose to the unit.

Connecting the Overflow Hose

Connecting the overflow hose to the brine container.

Important Hose Routing Notes

Important notes on hose routing and connection to sewage.

Making Electrical Connections

Instructions for making electrical connections to the unit.

Terminal Plans

Rondomat Duo DVGW 2 and 3 Wiring Diagram

Wiring diagram for Rondomat Duo DVGW 2 and 3 models.

Industrial Rondomat Duo 2, 3, 6, 10 Wiring Diagram

Wiring diagram for Industrial Rondomat Duo 2, 3, 6, 10 models.

Rondomat Duo DVGW 6 and 10 Terminal Plan

Remove Mains Plug

Instruction to remove the mains plug before proceeding.

Fasten DVGW Electrolysis Unit

Mounting the DVGW electrolysis unit to the console.

Connect Wire A to Valve Block

Connecting wire A to the valve block and electrolysis cell.

Connect Wire B to Soft Control Terminals

Connecting wire B to the Soft Control controller terminals.

Alternative Mains Plug Connection

Alternative method for connecting the mains plug.

Inputs and Outputs

Dosing Output

Details for the dosing output connection.

Regeneration Start

How to initiate the regeneration process.

Regeneration Signal

Information on the regeneration signal output.

Optional Pressure Switch

Functionality and connection of an optional pressure switch.

Quick Guide to Operation

Operation Display Explanation

Explanation of the main operation screen elements.

Selection Display Explanation

Explanation of the selection screen and its options.

Initial Start-up

Verify Proper Installation

Verification step before starting the unit.

Waiting Period for Units 6 and 10

Waiting period for units 6 and 10 after filling disinfectant.

Initial Power and Water Connection

Initial power and water connection steps for startup.

Canceling Regeneration

How to cancel an ongoing regeneration cycle.

Setting Time and Date

Procedure for setting the unit's time and date.

Changing Display Language

How to change the display language of the unit.

Initiating Regeneration, Column Change, and Flushing

Initiating regeneration, column change, and quick flushing procedures.

Select National Language

Guide to Selecting Display Language

Guide to selecting the display language.

Rinsing Fine Resin Particles

Procedure for rinsing fine resin particles from the column.

Quick Flushing Procedures

Quick Flushing the 1 st Softening Column

Detailed steps for quick flushing the first softening column.

Changing the Softening Column

Steps involved in changing the softening column.

Quick Flushing the 2 nd Softening Column

Detailed steps for quick flushing the second softening column.

Specific Flushing for Rondomat 6 and 10

Specific flushing instructions for Rondomat 6 and 10 models.

Setting the Hardness of Water

Warning: Do Not Change Blended Hardness Setting

Warning not to alter the blended water hardness setting.

Setting Untreated Water Hardness (IN)

Setting the hardness of the incoming untreated water.

Setting Blended Water Hardness (OUT)

Setting the desired hardness of the softened blended water.

Automatic Value Saving Information

Information on automatic saving of changed values.

Actuating Manual Regeneration

How to manually initiate a regeneration cycle.

Preparing the Brine

Brine Formation Time

Time required for brine formation after filling.

Manual Water Refilling for Duo 2 and 3

Manual water refilling process for Duo 2 and 3 models.

Setting the Hardness of Blended Water

Sodium Limit in Drinking Water Regulations

Information on sodium limits in drinking water regulations.

Calculating Sodium Increase from Softening

Method to calculate sodium increase from water softening.

Handover to the Operator

Steps for final handover and user training of the unit.

Operation

Refilling the Regenerative

How and when to refill the regenerative salt in the container.

Actuating Manual Regeneration

How to manually initiate a regeneration cycle.

Operator Responsibilities

Operator Checks for Warranty and Function

Overview of operator checks for warranty and proper functioning.

Regular Operator Checks

Detailed list of regular checks the operator must perform.

Maintenance Schedule and Tasks

Schedule and tasks for annual unit servicing and replacement parts.

Warranty Information

Conditions Voiding Product Warranty

Conditions that will void the product warranty.

Wear Parts Exclusions from Warranty

Exclusions from the 2-year legal warranty related to wear parts.

BWT Liability Limitations

BWT's liability limitations for unit failures or capacity issues.

Impact of Non-Compliant Regenerative Use on Warranty

Impact of using non-compliant regenerative material on the warranty.

Troubleshooting

No Softened or Blended Water Supply

Troubleshooting steps for no softened or blended water supply.

Insufficient Water Flow

Troubleshooting steps for insufficient water flow.

Low Salt Display Error

Interpreting and resolving the "low salt" display error.

Valve Defect Display Error

Troubleshooting valve defects indicated by the display error.

Elyse Error Indication

Troubleshooting the "Elyse" error indication, likely electrolysis related.

Technical Specifications

General Rondomat Duo Specifications

General technical specifications for the Rondomat Duo series.

Rondomat Duo DVGW Model Specifications

Technical specifications specific to Rondomat Duo DVGW models.

Rondomat Duo I Model Specifications

Technical specifications specific to Rondomat Duo I models.

Rondomat Duo I BOB Model Specifications

Technical specifications specific to Rondomat Duo I BOB models.

Dimensions

Rondomat Duo Physical Dimensions

Table detailing physical dimensions for Rondomat Duo models.

Rondomat Duo 6;10 BOB Dimension Diagram

Diagram illustrating physical dimensions for Rondomat Duo 6/10 BOB.

Further Information

BWT International Contact Details

Contact details for various BWT international offices.

BWT Rondomat Duo-DVGW 3 Specifications

General IconGeneral
BrandBWT
ModelRondomat Duo-DVGW 3
CategoryWater Dispenser
LanguageEnglish

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