Ecolab Nalco Water STORM User Manual

Settling Rate Monitor
Installation, Operation & Maintenance Manual
By:
Nalco Water
Engineering & Project Development
February 2020
Nalco Reference No: ESTDS-STORM-IOM
Revision
Date
Comment
Prepared
Checked
Approved
K
20/02/2020
SC
DM
DM

Ecolab Nalco Water STORM Specifications

General

Brand	Ecolab
Model	Nalco Water STORM
Category	Measuring Instruments
Language	English

Summary

1 INTRODUCTION

1.1 Design Features

Details the design and build of the Nalco STORM21Settling Rate Monitor to meet international standards.

2 SAFETY

3 SCOPE

3.1 Equipment Specification

Lists the technical specifications for the STORM21Settling Rate Monitor cabinet and components.

4 INSTALLATION

4.1 STORM Panel Location

Provides guidance on where to install the STORM21unit on the thickener bridge.

4.2 Sample Hose Location

Describes the ideal positioning for the sample point in the thickener.

4 INSTALLATION

4.3 Site Services

Details the required power, water, and air services for the STORM21unit.

4.4 Electrical Terminations

Explains the different input voltage ranges and their corresponding power terminations.

4 INSTALLATION

4.4.2 Control & Status Signals

Outlines the status and control signals for connecting the STORM21to site control systems.

4 INSTALLATION

4.5 Commissioning Checklist

A step-by-step checklist for commissioning the STORM21unit, covering electrical, mechanical, and functional tests.

5 PRINCIPLE OF OPERATION

5.1 Description of Operation

Explains the STORM21system's function in controlling Flocculant and Coagulant dosing.

5.2 Settling Rate 21 Flocculant Dose Control

Details how turbidity monitoring controls flocculant addition based on settling rate.

5.3 Supernatant Turbidity 21 Coagulant Dose Control

Explains how supernatant turbidity is used to control coagulant addition.

5.4 Sampling Sequence

Outlines the step-by-step process of sample collection and analysis.

6 HMI OPERATION

6.1 Main (Home) Screen

Describes the default HMI screen, its layout, and displayed information.

6.1.1 Control Functions

Explains how to select operation modes (AUTO, OFF, MANUAL) and use other controls.

6 HMI OPERATION

6.1.2 Displayed Information

Details the parameters and graphical indicators shown on the HMI screen.

6.1.3 Navigation

Explains how to navigate between different screens using the HMI buttons.

6 HMI OPERATION

6.2 Flocculant Control Configuration Screen

Details the parameters for tuning the Flocculant Pump control loop.

6.2.1 Control Functions

Explains how to adjust tuning parameters for the Flocculant Pump control loop.

6 HMI OPERATION

6.3 Coagulant Control Configuration Screen

Details the parameters for tuning the Coagulant Pump control loop.

6.3.1 Control Functions

Explains how to adjust tuning parameters for the Coagulant Pump control loop.

6 HMI OPERATION

6.4 Sampling Sequence Configuration Screen

Allows modification of the sample sequence timings for various steps.

6.4.1 Control Functions

Explains how to adjust the timing parameters for each step in the sampling sequence.

6 HMI OPERATION

6.4.2 Navigation

Describes navigation options from the Sampling Sequence Configuration screen.

6 HMI OPERATION

6.5 System Configuration Screen

Used for scaling and tuning the 4-20mA signal from the turbidity probe.

6.5.1 Control Functions

Details scaling, ranging, and tuning of the turbidity probe's analogue signal.

6 HMI OPERATION

6.5.2 Displayed Information

Shows how raw and scaled turbidity readings are displayed.

6.5.3 Navigation

Describes navigation options from the System Configuration screen.

6 HMI OPERATION

6.6 Manual Control Screen

Allows individual energising of solenoid valves for testing in Manual mode.

6.6.1 Control Functions

Explains the function of each valve and the Sample Test button.

6 HMI OPERATION

6.7 Mode Select Screen

Allows selection of STORM system, Flocculant pump, and Coagulant pump modes.

6.7.1 Control Functions

Details how to select system and pump modes (AUTO, MANUAL, OFF).

6 HMI OPERATION

6.8 Quick Start Settings for Floc control

Provides quick start settings for Floc control, including initial setpoints and monitoring.

7 TROUBLESHOOTING

8 MAINTENANCE

8.1 Cleaning and Preventative Maintenance Intervals

Schedules for cleaning and preventative maintenance tasks for the system components.

8.2 Turbidity Instrument Removal

Step-by-step procedure for removing the turbidity instrument for cleaning or inspection.

8 MAINTENANCE

8.3 Settling Cylinder Removal and Re-installation

Details the procedure for removing and reinstalling the settling cylinder.

8.3.1 Settling Cylinder Removal Procedure

Specific steps for disconnecting components before removing the settling cylinder.

8 MAINTENANCE

8.3.2 Settling Cylinder Replacement

Steps for reassembling and reconnecting the settling cylinder after maintenance.

8 MAINTENANCE

8.4 Replacement parts

Lists available replacement parts with manufacturer/supplier and part numbers.

9 ELECTRICAL DRAWINGS

9 ELECTRICAL DRAWINGS

9 ELECTRICAL DRAWINGS

9 ELECTRICAL DRAWINGS

9 ELECTRICAL DRAWINGS

9 ELECTRICAL DRAWINGS

9 ELECTRICAL DRAWINGS