Table of Contents
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OWNER'S MANUAL
How to operate your Demand Controlled
Model VS 34
Model VS 74
Model VS 87
Model VS 124
English Owner's Manual
Viessmann
Water Softener
Guide d'utilisation
Français
Adoucisseur d'eau
Viessmann . . . . . . . . . . . . 33
Nederlands Gebruikersh
Viessmann
Waterontharder . . . . . . . . 65
Manuale dell'utente
Italiano
Addolcitore d'acqua
Viessmann . . . . . . . . . . . . 97
Water Softener
Page
. . . . . . . . . . . 1
andleiding
7388734 (Rev. B 10/20/21)
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Table of Contents
Troubleshooting
Related Manuals for Viessmann VS 124
Summarization of Contents
Specifications and Dimensions
Water Softener Specifications
Details technical specs like capacity, flow rates, and water usage for VS 34, VS 74, VS 87, VS 124 models.
Physical Dimensions and Tank Sizes
Provides physical dimensions (A, B, C) and resin/salt tank sizes for each water softener model.
Installation Guide
Location, Plumbing, and Air Gap Requirements
Covers ideal location, plumbing codes, air gap, and drain requirements for proper installation.
Valve Drain and Bypass Options
Explains valve drain hose requirements and options for single or 3-valve bypass systems.
Typical Installation and Assembly
Details typical connections, turning off water, unit assembly, and placement.
Inlet/Outlet Plumbing and Bypass Valve
Guides on completing inlet/outlet plumbing and correctly installing bypass valves.
Grounding, Drain Hose, and Leak Testing
Covers cold water pipe grounding, drain hose setup, and essential leak testing procedures.
Salt, Power, and Controller Setup
Details adding salt, installing power supply, programming the controller, and sanitizing the unit.
Bypass Blending Valve Operation
Service Position and Hardness Adjustment
Explains the service position and how to adjust the blend knob for desired water hardness.
Bypass Position and Locking Mechanism
Covers placing the valve in bypass and locking the hardness adjustment knob.
Programming the Water Softener
Initial Setup Wizard
Guides through initial setup for language, time, hardness, iron, and salt levels.
Status Screens and Controller Messages
Describes status screens, messages, alerts, and flashing backlight indicators for operation.
Main Menu and System Operations
Outlines the main menu and available operations like recharge, salt, and basic settings.
Salt Level and Low Salt Alarm Settings
Details how to set the salt level and program the low salt alarm notification.
Recharge and Current Time Settings
Explains manual recharge initiation and how to set or adjust the current time.
Recharge Time, Hardness, and Iron Settings
Covers setting automatic recharge time, water hardness, and iron levels.
Rolling Screens and Language Settings
Explains customizing displayed status screens and changing the unit's language.
Hardness Units Configuration
Allows selection of grains or parts per million (ppm) for displaying water hardness.
System Information Access
Guides on accessing system info like model, water usage, days powered, and recharge history.
Cycle Time Adjustments
Details adjusting backwash, second backwash, and fast rinse times for recharge cycles.
Special Features Configuration
Covers settings for efficiency mode, max days between recharges, and the 97% feature.
Diagnostics and Troubleshooting Menu
Explains using diagnostics to check component states and troubleshoot issues.
Setup Changes and Auxiliary Output
Covers resetting setup, restoring defaults, and details on the auxiliary output function.
Routine Maintenance
Salt Refill and Bridge Management
Guides on refilling salt, recommended types, and how to break salt bridges in the brine tank.
Nozzle, Venturi, and Resin Bed Cleaning
Details cleaning the nozzle/venturi and resin bed for optimal softener performance.
Troubleshooting Guide
Common Problems and Initial Checks
Lists common issues like no soft water, hard water, and initial checks to perform.
Automatic Diagnostics and Error Codes
Explains automatic diagnostics, error codes, and checking the turbine's operation.
Manual Recharge Checks and Valve Operation
Guides manual recharge checks to verify valve operation and flow rates.
Other Service Issues
Addresses specific issues like hard water bypass, drain leaks, flooded tank, and salty taste.
System Components and Parts
Softener Exploded View Diagram
Visual diagram showing the assembly of the water softener unit with numbered parts.
Softener Parts List
Comprehensive list of all softener parts with key numbers, part numbers, and descriptions.
Valve Exploded View Diagram
Detailed diagram illustrating the assembly of the water softener valve with numbered components.
Valve Parts List
Detailed list of all valve components with key numbers, part numbers, and descriptions.
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Questions and answers