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Scion Instruments 456-GC User Manual

Scion Instruments 456-GC
194 pages
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Service Manual
436-GC/456-GC
Gas Chromatograph
BR501557 Rev B: February 2019
© 2019 SCION Instruments
SCI
ON Instruments HQ SCION Instruments NL BV
Suite 34, Livingston Business Centre, 4462, Goes, Stanleyweg 4,
Kirkton Road South, Livingston, The Netherlands
EH54 7FA, Scotland, UK Tel: +31 113 348 926
Tel: +44 1506 300 200 sales-eu@scioninstruments.com
sales-eu@scioninstruments.com www.scioninstruments.com
www.scioninstruments.com

Table of Contents

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Scion Instruments 456-GC Specifications

General IconGeneral
BrandScion Instruments
Model456-GC
CategoryMeasuring Instruments
LanguageEnglish

Summary

Safety Precautions and Information

Instrument Information and Compliance

General information regarding instrument compliance with CE specifications and safety requirements.

Understanding Safety Indications

Explanation of safety symbols and precautionary statements used in the manual to prevent injury or damage.

General Safety Warnings

Essential safety warnings to be observed during all phases of operation, service, and repair of the instrument.

Heated Component Safety

Precautions for servicing heated components, advising to allow cooling time or use protective gloves.

Voltage Carrying Component Safety

Warnings regarding electrical hazards, advising to disconnect power and use ESD protection.

Tools Required for Service

Spare Parts List

Instrument Covers and Related Parts

456-GC Cover - Right Side

Illustrated breakdown of the right-side cover for the 456-GC model.

456-GC Cover - Top

Illustrated breakdown of the top cover for the 456-GC model.

436-GC Cover - Right Side

Illustrated breakdown of the right-side cover for the 436-GC model.

436-GC Cover - Top

Illustrated breakdown of the top cover for the 436-GC model.

Rear Cover Details

Placeholder for illustrated breakdown of the rear cover components.

Exhaust Components

Illustrated breakdown of the instrument's exhaust components.

Pneumatic Panel with Overlay

Illustrated breakdown of the pneumatic panel, including its overlay.

Basic Instrument Components

Manifold Assembly 2

Illustrated breakdown of manifold assembly 2, including tubing and fittings.

PEEK Tubing Specifications

List of color-coded and SS PEEK tubing with their OD/ID and part numbers.

Manifold Gas Connections

Diagram showing gas connections to the manifold.

Manifold Component Details

Detailed view and part numbers for manifold components.

Bulkhead Unions

Illustrated breakdown of bulkhead unions.

Pencil Filters

Illustrated breakdown and detailed information on pencil filter components.

Fan Motor Assembly

Illustrated breakdown of the chassis fan motor.

AC Rectifier, Line Filter, and Transformer

Illustrated breakdown of the AC rectifier board, line filter, and transformer assembly.

Column Oven Components

Illustrated breakdown of the column oven and its heating components.

Vent Door Mechanism

Illustrated breakdown of the vent door assembly, motor, and coupling.

Chassis Fan Assembly

Illustrated breakdown of the chassis fan and bezel.

Miscellaneous Components

Illustrations of miscellaneous parts like cable clamps and column holders.

Power Cable

Illustration of the instrument's power cord.

Removal and Replacement Procedures

Fan Motor Adjustment Procedure

Step-by-step guide for adjusting the fan motor after replacement or removal.

436-GC Main Board Replacement

Procedure for removing and replacing the main board on the 436-GC model.

456-GC Main Board Replacement

Procedure for removing and replacing the main board on the 456-GC model.

Option Board Removal and Replacement

Procedure for removing and replacing the instrument's option board.

LUI Assembly Removal (436-GC)

Procedure for removing and replacing the LUI assembly on the 436-GC.

LUI Assembly Removal (456-GC)

Procedure for removing and replacing the LUI assembly on the 456-GC.

LUI Assembly Calibration

Procedure for calibrating the LUI assembly, including touch screen calibration.

FID/NPD Flame Tip Replacement

Procedure for removing and replacing the FID/NPD detector flame tip.

Instrument Error Codes

Electronics Description and Diagrams

Hardware Component Description

Detailed description of the instrument's hardware components and their functions.

Injector Controller PWA Circuit

Detailed circuit description of the electronic-pneumatic injector controller PWA.

Flow Controller Circuit Operation

Explanation of the closed-loop proportional-integral flow controller circuit.

Pressure Controller Circuit Operation

Explanation of the closed-loop PID pressure controller circuit.

ADC System Description

Description of the Analog-to-Digital Converter system, including its components and operation.

FID Electronics Circuit Details

Description of the electronic circuitry for the FID detector.

Igniter Power Supply Circuit

Description of the igniter power supply circuit and its components.

High Voltage Power Supply Circuit

Description of the high voltage power supply circuit and its components.

Instrument Software Description

Electrical Interconnection Diagrams

Illustrated Parts Breakdown

Injector Components

Illustrated parts breakdowns for various GC injectors.

Detector Components

Illustrated parts breakdowns for GC detectors.

Electronic Flow Control Modules

Illustrated parts breakdowns for EFC modules and their layouts.

Manual Flow Control Components

Illustrated parts breakdowns for manual flow control components.

Cryogenic Column Oven Assemblies

Illustrated parts breakdowns for cryogenic column oven assemblies.

Valve Oven Assemblies

Illustrated parts breakdowns for valve oven assemblies.

VICI Valves and Components

Illustrated parts breakdowns for VICI gas and liquid sampling valves.

Preventive Maintenance Guidelines

Maintenance Schedule Factors

Factors influencing maintenance frequency and recommendations for routine checks.

Required Tools, Spares, and Supplies

List of necessary tools, parts, and supplies for performing maintenance procedures.

PDHID Electrode Cleaning

Steps for cleaning the PDHID discharge electrode to maintain sensitivity.

Technical Bulletins Overview

Technical Information and Settings

Overview of Released Service Bulletins

Information regarding released service bulletins for the instrument.

Setting IP Address via BOOTP

Step-by-step guide for setting the instrument's IP address using BOOTP configuration.

Setting Fixed IP Address on GC

Procedure for setting a fixed IP address directly on the 436-GC/456-GC instrument.

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