Metrohm 940 Professional IC Vario TWO/SeS/PP User Manual

940 Professional IC Vario940 Professional IC Vario TWO/SeSManual8.940.8027EN

1.1 Instrument description￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Column thermostatThe column thermostat regulate

5.17 Quality Management and qualification with Metrohm￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭92￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5.17 Quality Mana

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 Troubleshooting940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭936 TroubleshootingProblem Cause RemedyMarked drop inpre

6.1 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭94￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Problem Cause RemedyNote: 6.2821.180 pump tubing connectionwith filt

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 Troubleshooting940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭95Problem Cause RemedyIndividual peaks aregreater thanexp

6.1 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭96￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Problem Cause RemedyExtreme spread ofthe peaks in thechromatogram.Sp

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Technical specifications940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭977 Technical specifications7.1 Reference cond

7.4 Housing￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭98￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)7.4 HousingDimensionsWidth 365 mmHeight 642 mmDepth 380 mmOp

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Technical specifications940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭997.7 Eluent degasserMaterial FluoropolymerResi

7.9 Injection valve￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭100￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Gradient capabil-ityIsocratic or gradient (extendabl

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Technical specifications940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭1017.12 DetectorYou can find the technical spec

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 Introduction940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭3DetectorMetrohm offers a series of different detectors for

7.16 Safety specification￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭102￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)7.16 Safety specificationThis instrument fulf

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8 Warranty (guarantee)940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭1038 Warranty (guarantee)Metrohm guarantees that th

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭104￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)The same warranty periods that are specified for a corresponding newpar

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭9 Accessories940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭1059 AccessoriesUp-to-date information on the scope of deliv

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭106￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)The Partslists webpage will be displayed. 7Select the desired output la

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Index940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭107IndexAAdsorption cartridgesConnection ... 40A

Index￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭108￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Leak sensorInstallation ... 21Interface ...

1.3 Safety instructions￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)1.3 Safety instructions1.3.1 General notes on sa

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 Introduction940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭5Protection against electrostatic chargesWARNINGElectronic c

1.4 Symbols and conventions￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)More details about the disposal of your old eq

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrument940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭72 Overview of the instrument2.1 FrontFigure

2.1 Front￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5Suppressor6Column thermostatWith two column holders for two sep

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrument940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭92.2 RearFigure 2 Rear1Bottle holderOffers sp

2.3 Feed-throughs for capillaries and cables￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5Vacuum connectionFor connec

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrument940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭11Openings on the doorFigure 3 Feed-throughs o

2.3 Feed-throughs for capillaries and cables￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭12￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Openings on the back panelFi

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrument940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭13Figure 5 Ducts for capillaries

3.1 Setting up the instrument￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭14￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3 Installation3.1 Setting up the instrume

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭15Also see: PEEK pressure screws video on the Internet http:

3.2 Capillary connections in the IC system￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭16￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)￭ The capillary ends do not ha

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭173.3 Removing the handleThe instrument is equipped with a

3.4 Removing transport locking screws￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭18￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.4 Removing transport locking scr

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭19Store the transport locking screws in a safe place. Reinse

3.5 Connecting the drainage tubing and leak sensor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭20￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Connecting the drainag

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭21Route the loose end into a waste container.3.5.2 Connecti

Metrohm AGCH-9100 HerisauSwitzerlandPhone +41 71 353 85 85Fax +41 71 353 89 [email protected] Professional IC Vario940 Professional

3.7 Connecting the eluent bottle￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭22￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.7 Connecting the eluent bottleThe elu

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭23 2Mounting the tubing adapter and the aspiration filterIns

3.7 Connecting the eluent bottle￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭24￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400) 4Mounting the adsorber tubeNOTEDependin

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭253.8 Connecting the eluent degasserThe high-pressure pump

3.10 Installing an inline filter￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭26￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Figure 9 High-pressure pump with purge v

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭27Figure 10 Inline filter1Input capillaryConnected to the pu

3.12 Injection valve￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭28￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.12 Injection valveThe injection valve connects th

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭29Figure 12 Exchanging the sample loop1Pressure screwFastene

3.13 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭30￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.13 SuppressorThe suppressor drive of the 940 Professio

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭31CAUTIONThe rotor may be destroyed during start-up if not i

TeachwareMetrohm AGCH-9100 [email protected] documentation is protected by copyright. All rights reserved.Although all the information

3.13 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭32￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)NOTEThe rotor's sealing surface is approximately 4 m

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭33￭ Insert the rotor into the adapter so that the tubing con

3.13 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭34￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Recommended installationAlternative installationInstallin

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭353.13.2.1 Installing the eluent pathThe eluent path is con

3.13 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭36￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400) 1Fasten the capillary labeled regenerant to the outlet o

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭37Connecting the rinsing solution inlet with STREAM 1Connect

3.14 Metrohm CO2 Suppressor (MCS)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭38￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400) 4Connect the FEP tubing (6.1805.120) f

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭393.14.2 Connecting the MCSThe MCS is connected between the

3.14 Metrohm CO2 Suppressor (MCS)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭40￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)CAUTIONIf the MCS is not used, the inpu

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭41 1Preparing the adsorption cartridge holder￭ Push the 4 cl

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of contents940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭IIITable of contents1 Introduction 11.1 Instrument desc

3.15 Installing the detector￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭42￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.15 Installing the detectorThe 940 Profess

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭433.16 Connecting the sample degasser (optional)Gas bubbles

3.16 Connecting the sample degasser (optional)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭44￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Connecting the sample dega

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭453.17 Connecting the instrument to a computerNOTEThe instr

3.18 Connecting the instrument to the power supply￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭46￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.18 Connecting the i

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭47After being switched on, the LED on the front of the instr

3.19 Initial start-up￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭48￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)MagIC Net detects the instrument and all of its mod

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭493.20 Connecting and rinsing the guard columnGuard columns

3.20 Connecting and rinsing the guard column￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭50￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)￭ Guard column (suitable for

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭51￭ Start manual control in MagIC Net and select the high-pr

Table of contents￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭IV￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)3.13.2 Connecting the suppressor ...

3.21 Connecting the separation column￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭52￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)NOTEThe separation column may not b

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭53Connecting the separation column 1Removing the stoppersCAU

3.22 Conditioning￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭54￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400) 5Installing the output of the separation column￭ Faste

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭55￭ Ensure that the eluent aspiration tubing is immersed in

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭56￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)4 OperationThe 940 Professional IC Vario – TWO/SeS is operated solely u

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭575 Operation and maintenance5.1 IC system5.1

5.1 IC system￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭58￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5.1.4 Shutting down and starting back upIf the instrument

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭595.2 Capillary connectionsAll connections bet

5.4 Column thermostat – Replacing the capillaries￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭60￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)13211112Figure 15 Colum

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭61Replacing the preheating capillariesIn order

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of contents940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭V5.13.2 Regenerating the H2O adsorption cartridge ...

5.6 Servicing the eluent degasser￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭62￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)The composition of the eluent plays a c

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭63Connecting the connecting tubing 1￭ Insert th

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭64￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5.8 Servicing the high-pressure pum

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭65CAUTIONMaintenance work on the high-pressure

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭66￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Cleaning the outlet valve 1Removing

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭67NOTEThe maximum treatment time in an ultrason

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭68￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Spare parts If the inlet valve canno

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭69NOTEThe maximum treatment time in an ultrason

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭70￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)￭ Has the pressure dissipated?￭ Is t

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭71Figure 17 High-pressure pump – cross-section1

Table of figures￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭VI￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Table of figuresFigure 1 Front ...

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭72￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)21Figure 18 Tool for piston seal (6.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭73 3Removing the old piston sealCAUTIONScrewing

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭74￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Optional: Cleaning/replacing the zir

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭75Figure 21 Components of the piston cartridge1

5.8 Servicing the high-pressure pump￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭76￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)You can find these parts in the acce

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭77Connecting the input for the high-pressure pu

5.9 Servicing the inline filter￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭78￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Removing the filterFigure 22 Inline filte

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭79Inserting a new filter 1Inserting a new filte

5.10 Servicing the pulsation absorber￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭80￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5.10 Servicing the pulsation absor

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭81CAUTIONThe suppressor has to be regenerated (

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 Introduction940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭11 Introduction1.1 Instrument descriptionThe 940 Professio

5.12 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭82￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5.12.3.2 Regenerating the suppression rotorIf the suppre

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭83￭ In the software, use the Step command to sw

5.12 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭84￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400) 2Dismantling the suppressor￭ Unscrew union nut (23-1) fr

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭85￭ Insert the rotor (23-3) into the housing (2

5.12 Suppressor￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭86￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)Replacing parts of the suppressor 1Disconnecting the supp

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭87￭ The rotor's sealing surface is approxi

5.13 Servicing the Metrohm CO2 Suppressor (MCS)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭88￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)5.13 Servicing the Metro

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭89 2Regenerating the adsorber materialAllow the

5.16 Separation column￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭90￭￭￭￭￭￭￭￭940 Professional IC Vario TWO/SeS (2.940.2400)The time upon stopping the watch corresponds to th

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenance940 Professional IC Vario TWO/SeS (2.940.2400)￭￭￭￭￭￭￭￭91representative) or on the Internet at http://