ELGA CENTRA S200 US - User Manual

Questions and Answers

A
Amy GarciaAug 20, 2025
What to do if the ELGA CENTRA S200 US Laboratory Equipment shows alarm and flashing Resistivity value?
- J
  Jenna WallAug 20, 2025
  First, mute the alarm. Then, verify that the alarm set value is correct, referring to Section 5.2 - System preferences. Ensure the cylinder is correctly placed in line and not isolated from the distribution loop. If necessary, replace the ion-exchange cylinder, following steps 9 and 10 in Section 5 - Installation / replacement of ion-exchange cylinder.
S
Steve TaylorAug 22, 2025
What to do if the ELGA CENTRA S200 US Laboratory Equipment shows a high water temperature alarm?
- K
  kevin28Aug 22, 2025
  First, check that the correct alarm point is set, referring to section 5, steps 9 and 10 - Alarm Settings. Verify that the feedwater temperature hasn't suddenly increased. Dispense some water from the distribution loop to allow colder water to enter the unit. Recheck the feedwater temperature.
U
ugarciaAug 25, 2025
What to do if the ELGA Laboratory Equipment shows a reservoir low level alarm?
- R
  Ryan BrownAug 25, 2025
  Verify that the RO system is running. Note that RO production is affected by water temperature - See RO performance, section 3.4 Flowrate vs. temperature. Check if the water demand matches the water production.
N
Nicole CainAug 26, 2025
Why is the ELGA Laboratory Equipment unit noise level greater than specified?
- H
  Heather GardnerAug 26, 2025
  Open the front door and secure the pipework to prevent vibration. Check that air isn't being drawn into the recirculation loop.
A
Alison ThomasAug 27, 2025
What to do if the ELGA CENTRA S200 US pumps are not running but power is on?
- S
  Stephen OchoaAug 27, 2025
  Check the thermal overloads in the electrical enclosure and reset them by pressing.
J
john83Aug 29, 2025
What to do if the ELGA CENTRA S200 US shows a low feed pressure alarm?
- J
  jeremyscottAug 30, 2025
  Mute the alarm and check the feed pressure into the unit, ensuring it is greater than 2 bar at 20l/min. Press the restart button for the RO.
B
Briana MarshallAug 31, 2025
What to do if the ELGA CENTRA S200 US shows a pre-treatment filter change reminder alarm?
- K
  Karen MasonAug 31, 2025
  Mute the alarm and replace the filter. See section 9.2 - Replacing the pre-treatment filter.
C
Courtney CrawfordSep 2, 2025
What to do if the ELGA Laboratory Equipment shows a 0.2µm in line filter change reminder alarm?
- P
  Patricia PerrySep 2, 2025
  Mute the alarm and replace the filter. See section 9.3 - Replacing the 0.2µm in line filter.
J
Jeff MoralesSep 4, 2025
What to do if the ELGA CENTRA S200 US shows a sanitization reminder alarm?
- E
  Erin FoxSep 4, 2025
  Mute the alarm and initiate the Sanitization Procedure. See Section 10 - Sanitization Procedure.
E
Edward GreenSep 6, 2025
What to do if the ELGA CENTRA S200 US shows a reservoir level disconnect fault alarm?
- G
  Gina TorresSep 6, 2025
  Mute the alarm. Make sure the control lead from the reservoir is properly connected.

Summary

INTRODUCTION

Product Range

Lists CENTRA models and their specifications.

Manual Usage and Support

Guidance on using the manual and obtaining customer support.

HEALTH AND SAFETY NOTES

Electrical Safety Precautions

Details electrical safety, earthing, and isolation procedures.

Pressure and Chemical Safety

Covers pressure release and safety with sanitization chemicals.

PRODUCT AND PROCESS DESCRIPTION

Product Overview

Description of CENTRA water purification units and their applications.

Process Flow and Components

Detailed explanation of the water purification process and system components.

Flow Diagrams

Schematic diagrams illustrating typical CENTRA installations.

INSTALLATION INSTRUCTIONS

Unpacking and Positioning the CENTRA

Guidance on unpacking the unit and selecting an appropriate installation location.

Service Access and Electrical Safety

Recommendations for service access and detailed electrical connection safety.

Hydraulic Connections

Instructions for making the necessary hydraulic connections to the unit.

Electrical Supply Connection Steps

Step-by-step guide for safely connecting the electrical supply.

CONTROLS

Control Panel Overview

Explains the tactile membrane control panel and its icons.

PASSkey Functions

Details the different types of PASSkeys and their functions.

System Preferences Setup

How to set system preferences, including clock, date, and alarms.

Alarm Settings Configuration

Configuration of alarms for RO permeate quality, product water, and temperature.

Operation Modes and Scheduling

Setting up continuous operation, night service, and operational days.

Display and Data Output Configuration

Adjusting display angle and configuring data output to printer/PC.

Remote Control and PASSkey Programming

Registering remote stations and programming user PASSkeys.

Sanitization PASSkey and Timer Setup

Programming sanitization PASSkeys and setting consumable replacement timers.

Filter and Sanitization Reminder Dates

Setting replacement dates for filters and sanitization reminders.

COMMISSIONING

Initial Start-Up Procedures

Steps for initial start-up, including filter installation, electrical, and water supply.

Initial Rinse and Cylinder Installation

Procedures for initial rinsing and installing ion-exchange cylinders.

Distribution Loop Pressure Adjustment

How to adjust distribution loop pressure for different models.

Sanitization and Filter Fitting

Steps for system sanitization and fitting the 0.2µm filter.

OPERATION

Night Service and Continuous Operation Modes

How to configure night service/operational days and continuous recirculation modes.

MONITORING

Operating Parameter Monitoring

Displays for RO fill, recirculation, and viewing consumable dates.

MAINTENANCE

Composite Vent Filter Replacement

Step-by-step instructions for replacing the composite vent filter.

Pre-treatment Filter Replacement

Step-by-step instructions for replacing the pre-treatment filter.

0.2µm In-line Filter Replacement

Step-by-step instructions for replacing the 0.2µm in-line filter.

UV Lamp Replacement

Step-by-step instructions for replacing the UV lamp.

Ion-Exchange Cylinder Installation;Replacement

Step-by-step instructions for installing or replacing ion-exchange cylinders.

SANITIZATION PROCEDURES

Sanitization Selection and RO Process Off

How to select sanitization and perform RO sanitization with the process off.

RO Sanitization (Process On)

Steps for performing RO sanitization with the process running.

Recirculation Sanitization

Steps for performing recirculation sanitization.

TROUBLE SHOOTING

No Display or Resistivity Alarms

Troubleshooting common issues like no display and resistivity alarms.

Temperature and Filter Alarms

Troubleshooting high temperature and filter change reminder alarms.

UV, Reservoir, and Flow Issues Troubleshooting

Troubleshooting UV lamp, reservoir, and flow problems.

Noise, PASSkey, Pump, and Unit Operation Issues

Troubleshooting noise, PASSkey, pump, and unit operation problems.

CONSUMABLES AND ACCESSORIES

Consumable Filters and Lamps

Details of consumable items, including part numbers and service life.

Available Accessories

List of optional accessories available for the CENTRA system.

KEY TO CONTROL PANEL

Control Panel Icon Guide

Explains the meaning of various icons on the control panel.

Alarm Conditions

High Pressure, Leak, and Load Alarms

Details high pressure, leak detection, and load alarms and their causes.

Feed Pressure and Reservoir Alarms

Details low feed pressure and reservoir related alarms and their causes.

Outlet Quality and Temperature Alarms

Details outlet quality and temperature alarms and their causes.

WARRANTY;CONDITIONS OF SALE

Warranty Terms and Conditions

Outlines the limited warranty terms for products and water systems.

USEFUL CONTACT DETAILS

ELGA LabWater Contact Information

Provides address, phone, fax, and email for customer support.

ELGA CENTRA S200 US Specifications

General

Type	Centralized Water Purification System
Installation	Floor standing
Feed water	Potable tap water
Operating Temperature	5-35 °C
Description	The ELGA CENTRA S200 US is a centralized water purification system designed for laboratory use
Typical daily usage	Up to 200 liters
Bacteria	< 1 CFU/ml
Particles	< 0.2 μm
Feed Water Requirements	Conductivity < 2000 μS/cm
Storage Capacity	200 liters
Power Supply	50/60Hz
Operating Humidity	Up to 80% non-condensing