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EWS ES 2050 - User Manual

EWS ES 2050
49 pages
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Electronic Controllers for water softening units
Instruction Manual
ES 2050
ES 2051
Software version 4.01

Table of Contents

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Summary

System Description

Status and Regeneration Messages

Display Indicators

Explains the function of LED displays, control lamps, and LCD screens for status indication.

Changing and Indication of Programme Values

Water Hardness Configuration

Instructions for setting and changing the water hardness measurement unit and value.

Time and Information Display Management

Guides on managing current time settings and accessing various information displays like flush period and regeneration time.

Alarms and Warnings

Capacity Exceeded and Supply Failure Warnings

Covers "Programmed capacity exceeded" and "Electrical supply failure" messages and their handling.

Chemical Tank, Regeneration, and Await Warnings

Details messages related to chemical levels, waiting for regeneration, and pre-regeneration warnings.

Time Limits, Maintenance, and Value Exceeded Warnings

Explains warnings for regeneration time limits, exceeding programmed values, and scheduled maintenance.

Manual Regeneration Initiation

Remote Control

Water Meter and Chemicals Low Inputs

Details the "water meter" pulse input and "chemicals low" signal for monitoring.

Await Signal Input

Describes the "await" signal input and its use during regeneration or service.

Special Functions

Duty Changeover and Standby Regeneration Control

Explains duty changeover without regeneration and initiating regeneration of the standby unit.

Regeneration Stop, Fast Program, and Flush Control

Describes stopping regeneration, using the fast program, and controlling the flush function.

Regeneration without Counter Reset

Covers initiating regeneration without resetting counters, useful for maintenance.

Setting and Changing of Initial Values

Initial Program Entry and Navigation

Outlines the process for entering and navigating through the initial programming settings.

Duty Changeover and Prohibited Regeneration Settings

Details settings for duty changeover and defining time periods when regeneration is prohibited.

Time Controlled and Minimum Regeneration Interval Settings

Explains initiating regeneration based on time intervals and setting minimum time between regenerations.

Typical Installation Diagram

Remote Monitoring Control Wiring

Shows how relay contacts are used for remote monitoring of unit status and signals.

Typical Electrical Wiring Diagrams

Control Valve Wiring Configurations

Illustrates wiring for remote control valves and pilot stagers with different return-to-service behaviors.

Signal Lamp and Alarm Relay Connections

Details connections for signal lamps and alarm/warning relay outputs using volt-free contacts.

Connection Terminals

Input and Output Terminal Assignments

Lists and explains the function of each input and output terminal on the controller.

Installation Recommendations and Commissioning

Mounting and Electrical Connections

Details recommendations for mounting the unit and making secure electrical connections, including earthing.

Initial Setup and Programming

Guides on switching on the equipment and performing initial programming, including setting water hardness and time.

Interference Prevention

Advises on preventing interference from external components using RC-networks.

Technical Specifications

Declaration of Conformity

Five-Year Controller Limited Warranty

Warranty Coverage and Exclusions

Details what is covered by the warranty and lists specific items and conditions that are excluded.

Financial Consequences and Warranty Service

Explains financial responsibilities, warranty service procedures, and customer obligations for claims.

EWS ES 2050 Specifications

General IconGeneral
Supply voltage24 V DC
Number of digital inputs8
Protection classIP20
Output current0.5 A
Communication interfacesRS-485
Storage temperature-20...70 °C

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