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Walchem W900 Series User Manual

Walchem W900 Series
126 pages
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Five Boynton Road Hopping Brook Park Holliston, MA 01746 USA
TEL: 508-429-1110 WEB: www.walchem.com
W900 Series
Water Treatment Controller
Instruction Manual

Table of Contents

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Walchem W900 Series Specifications

General IconGeneral
ModelW900 Series
DisplayLCD
Input Voltage100-240 VAC
Number of InputsUp to 4
Number of OutputsUp to 4
Communication ProtocolsModbus TCP/IP, Modbus RTU
Operating Temperature0 to 50 °C
Storage Temperature-20 to 70 °C
Enclosure RatingNEMA 4X
Weight1.5 kg

Summary

2.0 Specifications

3.0 Unpacking and Installation

Sensor Installation Guidelines

General and specific instructions for installing various types of sensors.

Electrical Installation Procedures

Guidance on wiring options and electrical connection requirements for the controller.

5.0 Operation Using the Touchscreen

Inputs Menu and Configuration

Accessing and configuring sensor and digital input settings.

Outputs Menu and Configuration

Accessing and configuring relay and analog output settings.

6.0 Operation Using Ethernet

7.0 Maintenance

Electrode Cleaning Procedure

Steps for cleaning sensors to ensure accurate readings and performance.

Replacing Fuses for Powered Relays

Procedure for safely replacing fuses protecting powered relay circuits.

8.0 Troubleshooting

Calibration Failure Troubleshooting

Diagnosing and resolving calibration issues for various sensor types.

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