Dionex ERS 500 Suppressor Manual

The Dionex ERS 500 Suppressor is an advanced electrolytic suppressor module designed for ion chromatography systems, featuring automatic regeneration, continuous operation capability, chemical resistance, and compatibility with various eluents. It provides high suppression capacity and low noise for improved detection limits. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to IC System 7. Operation Procedures 8. Maintenance Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Electrolytic suppressor module, flow channels, electrical connectors, pressure fittings, status indicators.

Feature	Description
Electrolytic suppression	Continuous regeneration without chemical regenerants
High capacity	Up to 500 μeq/min suppression capacity
Low noise	Enhanced detection limits for trace analysis
Automatic operation	Integrated with IC system control software
Chemical resistance	Compatible with common IC eluents
Pressure monitoring	Built-in pressure sensors for system protection
Status indicators	LED indicators for operational status
Remote control	Software integration for automated control
Compact design	Space-efficient module for IC systems
Temperature control	Optimized performance across operating range

Installation

Unpack and inspect contents. Ensure proper laboratory environment.

Mount suppressor: Secure in designated IC system location using mounting hardware.
Connect fluidics: Attach inlet/outlet tubing with proper fittings (1/16" PEEK).
Electrical connection: Connect to IC system controller via provided cable.
Verify connections: Ensure all fittings are tight and secure.

WARNING! Use appropriate personal protective equipment. Ensure proper ventilation in laboratory area.

First-Time Setup

Power on IC system; follow software initialization procedure.

System recognition: Ensure suppressor is detected by IC control software.
Conditioning: Run recommended conditioning protocol with appropriate eluent.
Pressure check: Verify system pressure within operating range (0-3000 psi).
Performance verification: Run standard test mixture to confirm proper operation.

CAUTION! Follow all laboratory safety protocols. Use only compatible eluents and solvents.

Specifications

Suppression Capacity: Up to 500 μeq/min
Flow Rate Range: 0.1 - 5.0 mL/min
Pressure Limit: 3000 psi (200 bar)
Electrical Requirements: 24 VDC, 2A max
Operating Temperature: 4°C to 40°C
Dimensions: Standard module size for IC systems
Weight: Approximately 1.5 kg
Compatibility: Dionex ICS series and compatible IC systems
Eluent Compatibility: Carbonate, hydroxide, methanesulfonic acid

Controls and Settings

Access control via IC system software interface. Hardware indicators: Power LED, Status LED, Error indicators.

Software Controls: Suppression current setting, flow monitoring, pressure limits, temperature settings, diagnostic functions.

Operational Parameters: Suppression current (0-300 mA), flow rate settings, pressure monitoring, temperature compensation. Maintenance: Automatic regeneration cycles, performance monitoring, error logging. Safety: Over-pressure protection, temperature limits, electrical safety interlocks.

Connecting to IC System

Fluid connections: Inlet from eluent generator or pump, outlet to detector. Electrical: System controller interface.

Power off IC system before making connections.
Connect fluid lines with proper fittings and ferrule assembly.
Secure electrical connector to controller interface.
Verify all connections are properly seated and secured.

Tip: Use torque wrench for proper fitting tightness (15-20 in-lb for 1/16" fittings).

Operation Procedures

Supports continuous operation with automatic regeneration.

Startup: Initialize through IC software; verify proper communication.
Method setup: Configure suppression parameters in chromatography method.
Monitoring: Observe pressure, current, and performance indicators.
Shutdown: Follow recommended shutdown procedure in software.
Regeneration: Automatic during operation; manual available if needed.
Performance tracking: Monitor baseline noise and suppression efficiency.
Error handling: Address system alerts through software interface.
Data logging: Automatic recording of operational parameters.

WARNING! Do not exceed maximum pressure ratings. Monitor system performance regularly.

Maintenance Features

Automatic Regeneration: Continuous during operation. Performance Monitoring: Software alerts for maintenance needs. Diagnostic Functions: Built-in self-test and performance verification routines.

Care & Cleaning

Disconnect from power before maintenance. Use appropriate laboratory cleaning solutions. Follow recommended storage procedures.

CAUTION! Use only compatible cleaning solutions. Avoid organic solvents unless specified.

Regulatory Information

CE Mark: Complies with European Union directives. UL Listed: Meets North American safety standards. RoHS Compliant: Meets restriction of hazardous substances requirements. Copyright © 2025 Thermo Fisher Scientific; trademarks of Thermo Fisher Scientific. For technical support, visit www.thermofisher.com or contact 1-800-532-4752.

Troubleshooting

Symptom	Possible Cause	Corrective Action
High backpressure	Blockage or contamination	Check for obstructions; perform cleaning procedure; replace if necessary.
Poor suppression	Exhausted suppressor or low current	Verify current settings; check eluent composition; perform regeneration.
No communication	Cable connection or power issue	Check electrical connections; verify power supply; restart system.
High baseline noise	Contamination or air bubbles	Degas eluent; check for leaks; perform system purge.
Error indicators	System fault or out of range	Consult error codes in manual; contact technical support if persistent.

Reset: Power cycle unit; software reset through IC system.

Service: 1-800-532-4752; www.thermofisher.com