Endress+Hauser analytikjena multi N/C UVHS Operating Manual
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Endress+Hauser analytikjena multi N/C UVHS Operating Manual

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Operating Manual
multi N/C UVHS, multi N/C pharma UV
TOC Analyzer

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Summary of Contents for Endress+Hauser analytikjena multi N/C UVHS

  • Page 1 Operating Manual multi N/C UVHS, multi N/C pharma UV TOC Analyzer...
  • Page 2 Manufacturer Analytik Jena GmbH Konrad-Zuse-Strasse 1 07745 Jena / Germany Phone: +49 3641 77 70 Fax: +49 3641 77 9279 Email: info@analytik-jena.com Technical Service Analytik Jena GmbH Konrad-Zuse-Strasse 1 07745 Jena / Germany Phone: +49 3641 77 7407 Fax: +49 3641 77 9279 Email: service@analytik-jena.com For a proper and safe use of this product follow the instructions.

  • Page 3: Table Of Contents

    multi N/C UVHS, multi N/C pharma UV Table of contents Table of contents 1 Basic information................................About this user manual ............................ Intended use ..............................2 Security .................................... Safety labeling on the device ........................... Requirements for the operating personnel..................... 10 Safety instructions, transport and commissioning ..................10 Safety instructions: during operation ......................
  • Page 4 Table of contents multi N/C UVHS, multi N/C pharma UV 4 Installation and commissioning ............................. 34 Installation conditions ............................34 4.1.1 Ambient conditions ............................34 4.1.2 Device layout and space requirements ......................34 4.1.3 Power supply..............................35 4.1.4 Gas supply ................................. 35 Unpacking and setting up the device.......................
  • Page 5 multi N/C UVHS, multi N/C pharma UV Table of contents Device errors ..............................94 8 Transport and storage ..............................97 Transport................................97 8.1.1 Preparing the analyzer for transport ....................... 97 8.1.2 Preparing the AS vario autosampler for transport ..................98 8.1.3 Moving the device in the laboratory........................
  • Page 6 Table of contents multi N/C UVHS, multi N/C pharma UV...

  • Page 7: Basic Information

    multi N/C UVHS, multi N/C pharma UV Basic information Basic information About this user manual Content The operating manual describes the following device model(s): ¡ multi N/C UVHS ¡ multi N/C pharma UV In this manual, these models are collectively referred to as the multi N/C UVHS. Any dif- ferences between the models are explained in the relevant section.

  • Page 8: Intended Use

    Basic information multi N/C UVHS, multi N/C pharma UV Intended use The device and its components may only be used for the analyses listed in the user man- ual. Only this specified use is regarded as the intended use, ensuring the safety of the user and the device.

  • Page 9: Security

    multi N/C UVHS, multi N/C pharma UV Security Security For your own safety and to ensure error-free and safe operation of the device, please read this chapter carefully before commissioning. Observe all safety instructions listed in this user manual and all messages and infor- mation displayed on the monitor by the control and analysis software.

  • Page 10: Requirements For The Operating Personnel

    Security multi N/C UVHS, multi N/C pharma UV GHS labeling Meaning Comment Hazardous substances On the sodium persulfate bottle: warning Sodium persulfate is a strong oxidizing agent. It is hazardous to health when in- gested and causes irritation of the Health hazard skin, eyes and respiratory pathways.

  • Page 11: Safety Instructions: During Operation

    multi N/C UVHS, multi N/C pharma UV Security Insufficiently secured components pose a risk of injury. ¡ During transport, secure the device components as specified in these operating instructions. ¡ Loose parts must be removed from the system components and packed sepa- rately.

  • Page 12: Safety Instructions - Protection Against Explosion And Fire

    Security multi N/C UVHS, multi N/C pharma UV 2.4.2 Safety instructions – protection against explosion and fire The device may not be operated in an explosive environment. Smoking or handling open flames are prohibited in the room in which the device is operated! 2.4.3 Electrical system safety instructions...

  • Page 13: Safety Notes On Uv Radiation

    multi N/C UVHS, multi N/C pharma UV Security 2.4.5 Safety notes on UV radiation Protection of the user against UVC radiation is ensured by the protective glass ¡ before the UV reactor. The protective glass must not be removed during opera- tion.

  • Page 14: Behavior During Emergencies

    Security multi N/C UVHS, multi N/C pharma UV The gas supply must be shut off before performing any maintenance or repair ¡ work (unless specified otherwise). ¡ Use only original spare parts, wear parts and consumables. They have been tested and ensure safe operation. Glass part are wear parts and are not subject to the warranty.

  • Page 15: Function And Design

    multi N/C UVHS, multi N/C pharma UV Function and design Function and design Layout The analyzer is a compact laboratory device with permanently installed main compo- nents. Further accessories and reagents are required for the measurement process. The control of the analyzer and the analysis of the measurement data is performed via the multiWin software installed on an external PC.

  • Page 16: Sample Supply System

    Function and design multi N/C UVHS, multi N/C pharma UV 3.1.1 Sample supply system Sample supply is carried out as flow injection via a syringe pump with 9-port valve. The injection volume is 50 to 20000 µl. For small sample volumes (V < 1.5 ml), system water is additionally added to the reactor with each dosage.

  • Page 17: Hose System

    multi N/C UVHS, multi N/C pharma UV Function and design 3.1.2 Hose system Hose diagram The connection between the individual components is made with labeled hoses. The numbers and letters circled in the hose diagram correspond to the labels on the hoses in the analyzer.

  • Page 18: Figure 5 Fingertight Screw Connection

    Function and design multi N/C UVHS, multi N/C pharma UV Figure 5 Fingertight screw connection 1 Hose 2 Banjo bolt 3 Conical nipple Components for flow adjust- The analyzer automatically sets the carrier gas flow and controls the inlet flow via an ment MFC (Mass Flow Controller).

  • Page 19: Uv Reactor With Control Gear

    multi N/C UVHS, multi N/C pharma UV Function and design 3.1.3 UV reactor with control gear The analyzer features a specially developed UV reactor with an integrated UV radiation source made of quartz glass. The reactor directly surrounds the UV radiation source. Wavelengths 185 nm;...

  • Page 20: Figure 9 Tic Condensation Module

    Function and design multi N/C UVHS, multi N/C pharma UV Figure 9 TIC condensation module 1 TIC condensate container 2 Cooling block Water traps The water traps remove interfering components from the measuring gas and protect the detector and the gas box. The water traps are mounted in the gas path behind the cool- ing block or behind the gas box.

  • Page 21: Detection

    multi N/C UVHS, multi N/C pharma UV Function and design Halogen trap The halogen trap removes interfering components (halogens, halogen-hydrogen com- pounds) from the measuring gas. It also protects the detectors and the flowmeter in this manner. The halogen trap is installed in the gas path behind the TIC condensate con- tainer and the water traps.

  • Page 22: Indicator And Control Elements, Connections

    Function and design multi N/C UVHS, multi N/C pharma UV The VITA method is formally the residence-time-coupled integration for TOC analyses. The measuring gas flow is determined in parallel with the NDIR signal in the VITA method. The NDIR signal is normalized via computer control. This compensates for oc- curring flow fluctuations, ensuring constant gas flow.

  • Page 23: Reagents And Accessories

    multi N/C UVHS, multi N/C pharma UV Function and design Figure 13Device rear 1 "FUSE" mains fuse holder 2 "Power switch" main switch 3 "Main plug" mains connection 4 "analyte" gas connection (connected to "internal" connection via hose bridge) 5 "pump" gas connection 6 "internal"...

  • Page 24: Additional Options For The Analyzer

    Function and design multi N/C UVHS, multi N/C pharma UV Additional options for the analyzer Autosampler The following autosamplers are available for the analyzer: AS vario with various tray sizes ¡ AS vario ER with various tray sizes and canula flushing ¡...

  • Page 25: Measuring Methods

    multi N/C UVHS, multi N/C pharma UV Function and design Digestion is carried wet-chemically via UV oxidation with or without the addition of the strong oxidant, sodium persulfate Na . Acidic persulfate solution is added to the sample aliquot in the UV reactor, and it is irradiated with wavelength 185 nm; 254 nm (UV-C) UV radiation At temperatures of up to 80 °C, any carbon compounds contained are broken down into CO .

  • Page 26: Tic Analysis

    Function and design multi N/C UVHS, multi N/C pharma UV 3.4.3 TIC analysis TIC: Total Inorganic Carbon In TIC analysis, the total inorganic carbon from carbonates and hydrocarbonates, as well as dissolved CO , is detected. Cyanides, cyanates, isocyanates and carbon particles are not detected. An aliquot of the sample is dosed directly into the TIC reactor to determine the inorganic carbon (TIC).

  • Page 27: Calibration

    multi N/C UVHS, multi N/C pharma UV Function and design Calibration 3.5.1 Calibration strategies Multiple point calibration with constant sample volume In many applications, multiple point calibration with a constant dosage volume and mul- tiple standard solutions at different concentrations is suitable. The calibration range can encompass a wide range of concentrations and must be de- fined in accordance with the expected sample concentrations.

  • Page 28: Calibration Method

    Function and design multi N/C UVHS, multi N/C pharma UV 3.5.3 Calibration method Each parameter (TC, TOC, TIC, etc.) of a method can be calibrated in the multiWin soft- ware. Not all parameters require calibration, however. You can store up to three calibration functions for different concentration ranges for each parameter in a method.

  • Page 29: Method Characteristics

    multi N/C UVHS, multi N/C pharma UV Function and design NPOC plus The calibration of the NPOC plus method is the same as the calibration of the TOC (Diff) method. Before analysis, the TIC must be sufficiently purged for the use of the differen- tial method to be practical.

  • Page 30: Blank Values

    Function and design multi N/C UVHS, multi N/C pharma UV Outlier selection The control and analysis software can automatically select outliers. The user can specify a maximum limit for the variation coefficient or even for the standard deviation for this. The analyzer performs the minimum number of measurements specified in the method.

  • Page 31: Reagent Blank Value

    multi N/C UVHS, multi N/C pharma UV Function and design x (V – N DiBV DiBV Sample Sample – I DiBV : Diluent blank value DiBV Sample volume Sample : Effective integral : Number of units of the primary sample : Number of units of the diluent : Raw integral : Diluent integral...

  • Page 32: Boat Blank Value

    Function and design multi N/C UVHS, multi N/C pharma UV The blank value can change over time and must therefore be determined again before beginning a measurement series. Otherwise, the software uses the last value. The eluate blank value is always indicated normalized to 1 ml. The eluate blank value is not taken into account when carrying out a calibration.
  • Page 33 multi N/C UVHS, multi N/C pharma UV Function and design E = (r – r )/(r – r ) x 100 E: System efficiency in % : TOC of the reference solution (sucrose) : TOC of the system suitability solution (p-benzoquinone) : TOC of the TOC water used (preparation water blank value)

  • Page 34: Installation And Commissioning

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV Installation and commissioning Installation conditions 4.1.1 Ambient conditions This laboratory device is designed for inside use. ¡ Avoid direct sunlight and radiation from heaters onto the device. If necessary, pro- ¡...

  • Page 35: Power Supply

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning Component Dimensions (width x height x Weight depth) EPA Sampler 500 x 560 x 400 mm 15 kg HT 1300 solids module 510 x 470 x 550 mm 22 kg Manual TIC solids module 300 x 470 x 550 mm 10 kg...

  • Page 36: Installing And Commissioning The Analyzer

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV The device may only be set up, installed and repaired by the customer service depart- ment of Analytik Jena GmbH or by persons authorized by Analytik Jena GmbH. When installing and commissioning your device, observe the information in the "Safety instructions"...

  • Page 37: Figure 16 Device Rear

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning Figure 16Device rear 1 "FUSE" mains fuse holder 2 "Power switch" main switch 3 "Main plug" mains connection 4 "analyte" gas connection (connected to "internal" connection via hose bridge) 5 "pump" gas connection 6 "internal"...
  • Page 38 Installation and commissioning multi N/C UVHS, multi N/C pharma UV } Connect the connection cable to the mains power connection on the rear of the ana- lyzer. } Connect the power plug to a grounded power outlet. } Do not switch the device on yet. Connecting the gases You are responsible for the gas supply in the laboratory.

  • Page 39: Connecting Accessories

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning – Ultrapure water 5 hose – Sample intake canula 6 hose – Sample purging canula: 10 hose ü The analyzer has been commissioned. Connecting accessories NOTICE Risk of damage to the sensitive electronics ¡...

  • Page 40: Figure 18 As 21Hp Autosampler

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV AS 21hp autosampler The autosampler is equipped with a rotatable sample tray for 21 sample vessels with a volume of 50 ml. Optionally, sample values with a volume of 40 ml can be used. Figure 18AS 21hp autosampler 1 Sleeve (with 1 bore) as a purging canula 2 Sample tray (rotatable, 21 samples)

  • Page 41: Figure 19 Parallel Purging (Left) And Sequential Purging (Right)

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning Figure 19Parallel purging (left) and sequential purging (right) The autosampler has an integrated magnetic stirrer. The magnetic stirrer automatically homogenizes samples containing particles prior to sampling. You can define the stirring speed in the multiWin software in the method under the process parameters.

  • Page 42: Figure 21 Connections On The Bottom Of The Autosampler

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV 4.3.1.1 Installing and commissioning the sampler CAUTION Risk of injury from moving parts There is a risk of injury in the movement range of the sampler arm. For example, hands or fingers might be crushed.

  • Page 43: Figure 22 Holder

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning } Attach the autosampler to the side of the analyzer with the holder. – Screw the holder to the right side of the analyzer with the two knurled head screws. –...

  • Page 44: Figure 23 Fingertight Connection

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV Figure 23Fingertight connection 1 Hose 2 Banjo bolt 3 Conical nipple } Connect the power supply unit to the mains network. Checking and changing the } Switch on the analyzer. Start the multiWin program and initialize the analysis sys- configuration tem.

  • Page 45: Figure 24 Autosampler Adjustment Window Alignment - Sampler

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning Figure 24Autosampler adjustment window Alignment - sampler – Under Please select position needing adjustment, select Position 1. – Click on [Position 1 adjust]. The autosampler arm lowers the canulas into the vessel in position 1.

  • Page 46: As Vario Autosampler

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV } Place two sample vessels in positions 1 and 2 of the sample tray under the two canu- las. } Place magnetic stirring rods in the vessels. } Manually adjust the height of the canulas so that the canula tips protrude 1 to 2 cm over the edge of the vessel at the highest position of the autosampler arm and do not touch the vessels when the sample tray rotates.

  • Page 47: Figure 26 Layout Of The As Vario Autosampler

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning Sample tray Max. number of samples Sample vessel AS vario AS vario ER 100 ml 100 ml 40 ml + 50 ml 20 ml 12 ml Technical data Operating voltage 24 V DC via external power supply Power consumption 50 VA Grid voltage of external power supply...

  • Page 48: Figure 27 Layout Of The As Vario Er Autosampler

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV used for all measurement methods, and in particular for NPOC analysis with parallel purging. When using different sample trays, the block with the wash cups is simply re- moved from the autosampler and exchanged. Figure 27Layout of the AS vario ER autosampler 1 Canula for connection to the sample in- 2 Canula holder (here with no.

  • Page 49: Figure 29 Sleeve With Two Canulas For Non-Parallel Purging

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning } Turn the autosampler on its side and put it down safely. } Remove the screw with the supplied hexagon socket screwdriver. Remove the trans- port lock (red plastic part). } Place the autosampler on the bottom plate again.

  • Page 50: Figure 30 Fingertight Connection

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV Figure 30Fingertight connection 1 Hose 2 Banjo bolt 3 Conical nipple } Connect the power supply unit to the mains network. Checking and changing the } Switch on the analyzer. Start the multiWin program and initialize the analysis sys- configuration tem.

  • Page 51: Figure 32 Activating The Canula Flush In The Method

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning } Place the suitable block with wash cups on the autosampler. – For simpler installation, wet the o-ring on the bottom of the block with water. – Fasten the block to the autosampler with the two hexagon socket screws. } Screw the ultrapure water connection into connection (1) and place the hose end in the ultrapure water bottle.

  • Page 52: Epa Sampler

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV 4.3.3 EPA Sampler CAUTION Risk of injury from moving parts There is a risk of injury in the movement range of the sampler arm. For example, hands or fingers might be crushed. ¡...

  • Page 53: Figure 34 Rear Of The Autosampler

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning Figure 34Rear of the autosampler 1 Stirring arm 2 Autosampler arm 3 Type plate 4 Electrical connections Figure 35Electrical connections 1 Power supply unit connection 2 Device switch 3 Connection to the analyzer 4 Not used 5 Stirrer connection Commissioning the autosam-...

  • Page 54: Figure 36 Transport Lock

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV Figure 36Transport lock 1 Autosampler arm 2 Transport retaining clip 3 Screws } Install the stirring arm: – Install the stirring arm on the bracket on the rear of the autosampler arm. } Screw on the arm with the supplied countersunk screws (M4x10) using the hexagon head wrench (A/F2.5).

  • Page 55: Figure 38 Canula Position For Npoc Measurement With Parallel (Left) And Non-Parallel (Right) Purging

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning } Note the positioning of the tray. The label must be legible when facing the front of the device. The two black centering pins on the contact surface of the autosampler protrude into the drill holes on the bottom of the tray.

  • Page 56: External Solids Module

    Installation and commissioning multi N/C UVHS, multi N/C pharma UV } Connect the power supply unit to the mains network. Switch on the autosampler. Checking and changing the } Switch on the analyzer. Start the multiWin program and initialize the analysis sys- configuration tem.

  • Page 57: Figure 40 Connections On The Backplate Of The Solids Module

    multi N/C UVHS, multi N/C pharma UV Installation and commissioning } Exit the window with [OK]. Figure 40Connections on the backplate of the solids module 1 Analyzer interface 2 Mains connection 3 Measuring gas outlet "OUT" 4 Oxygen inlet "O " 5 Pump connection "pump"...

  • Page 58: Operation

    Operation multi N/C UVHS, multi N/C pharma UV Operation General notes WARNING Risk of chemical burns from concentrated acids Concentrated acids are highly corrosive and sometimes have an oxidizing effect. ¡ Wear safety goggles and protective clothing when handling concentrated acids. Work under an extractor.

  • Page 59: Switching On The Analyzer

    multi N/C UVHS, multi N/C pharma UV Operation – Eliminate the source of organic vapors. – Optionally: Fill the headspace above the samples with inert gas. Switching on the analyzer NOTICE Risk of device damage due to depleted copper wool Damage to optical and electronic components of the analyzer due to aggressive combus- tion products when the copper wool in the halogen trap is depleted! ¡...

  • Page 60: Switching Off The Analyzer

    Operation multi N/C UVHS, multi N/C pharma UV See also 2 Troubleshooting [} 88] 2 Setting the NPOC purge flow [} 76] Switching off the analyzer Switching to standby mode Recommendation: Switch the analyzer to standby mode during measurement pauses of more than 30 min. } Click on [Exit] in the software interface.

  • Page 61: Carrying Out Calibration

    multi N/C UVHS, multi N/C pharma UV Operation When activated, the sample intake hose is backflushed with ultrapure water. The syringe pump is flushed as well. The UV reactor and the TIC condensate container are emptied. The analyzer shuts down. The UV light and the gas flow are turned off. Carrying out calibration 5.4.1 Preparing and starting calibration...
  • Page 62 Operation multi N/C UVHS, multi N/C pharma UV } For calibrations with a constant concentration, work with the smallest standard solu- tion volume of 1.6 ml. For smaller injection volumes, ultrapure water from the flushing water bottle is also dosed into the UV reactor. This determines a false TOC blank value. } Enter the number of calibration points in the Number of standards input field.

  • Page 63: Displaying The Calibration Results

    multi N/C UVHS, multi N/C pharma UV Operation Figure 42Current sample data } Activate the calibration standards in the Current sample data window. After this, exit the window with []. } The Measurement window opens. Click the [Start F2] button. ü The calibration process starts. 5.4.2 Displaying the calibration results After all calibration measurements have been carried out, the software automatically...

  • Page 64: Editing Calibration

    Operation multi N/C UVHS, multi N/C pharma UV Figure 43Performed calibration data Calibration results tab: Results table Display of: Number of detections ¡ Target concentration used (at constant sample volume), or ¡ Sample volume used (at constant concentration) ¡ ¡ Average value of the area integers ¡...

  • Page 65: Linking A Calibration To A Method

    multi N/C UVHS, multi N/C pharma UV Operation All measuring points activated via check mark in the results table in the No. column are included in the regression calculation. You can deactivate a measuring point by remov- ing the check mark. To do this, click in the No. column. If you deactivate all measuring points, the software removes the check mark for the en- tire calibration channel.

  • Page 66: Figure 44 Linking A Calibration To A Method (3 Calibration Ranges)

    Operation multi N/C UVHS, multi N/C pharma UV Figure 44Linking a calibration to a method (3 calibration ranges) Whether the calibration ranges are accepted depends on the calibration ranges already stored in the method and the new calibration range: No calibration range ex- The current calibration data is accepted with the [Accept values] ists button.

  • Page 67: Managing Calibration Data

    multi N/C UVHS, multi N/C pharma UV Operation 5.4.5 Managing calibration data Printing calibration data } In the Calibration - Calibration Settings window, activate the Use calibration option. } Define what to print in the Print options menu: – Print the calibration graph and/or –...

  • Page 68: Measurement With Autosampler

    Operation multi N/C UVHS, multi N/C pharma UV } Start the measurement: Click on Start measurement. Alternatively: Open the Mea- surement |Measurement start menu option. ü The Measurement start window opens. } Enter the sample ID and, if you want, a name for the analysis table. If necessary, en- ter the dilution, the sample type, the unit and a comment.
  • Page 69 multi N/C UVHS, multi N/C pharma UV Operation – Position 42 on sample tray 52 – Position 55 on sample tray 72 – Position 85 on sample tray 100 – Position 131 on sample tray 146 } For NPOC measurements with the EPA autosampler: Place the acid container at posi- tion 54 on the sample tray.

  • Page 70: Maintenance And Care

    Maintenance and care multi N/C UVHS, multi N/C pharma UV Maintenance and care The operator may not undertake any service or maintenance work to this device and its components other than that specified in these instructions. Observe the information in the "Safety instructions" section for all maintenance work. Compliance with the safety instructions is a prerequisite for the error-free operation of the device.

  • Page 71: Adjustment And Setting

    multi N/C UVHS, multi N/C pharma UV Maintenance and care Maintenance interval Maintenance task Quarterly Check the TIC condensate container and the condensation ¡ coil for cracks and damage. Every 6 months ¡ Replace the water traps on the front and on the gas box. Every 12 months ¡...

  • Page 72: Figure 45 Adjusting The Autosampler

    Maintenance and care multi N/C UVHS, multi N/C pharma UV Figure 45Adjusting the autosampler } Increase or decrease the z-axis values until the canulas are approx. 2 cm above the adjustment points. Click the [needle adjust] button. } Align the canulas to the two adjustment points by carefully bending them. Figure 46Adjustment points on the sample tray } Adjust the immersion depth of the sample intake canula into the wash cup and into a sample vessel in position 1 of the sample tray.

  • Page 73: Adjusting The Epa Sampler

    multi N/C UVHS, multi N/C pharma UV Maintenance and care } Set the canula heights at position 1 so that the stirring rod can rotate unhindered (approx. 5 mm clearance). } After each change, click on [Rinse position adjust] or [Position 1 adjust]. ü...

  • Page 74: Figure 47 Installing Canulas (2 Canulas For Parallel Purging Here)

    Maintenance and care multi N/C UVHS, multi N/C pharma UV Figure 47Installing canulas (2 canulas for parallel purging here) } Install the hold-down clamp and the sample intake canulas in the canula holder. Un- screw the retaining screws of the canulas before adjustment. Clamp the canulas into the holder so that the canula tip does not immerse in the sample vessel.

  • Page 75: Figure 49 Adjusting Position 1

    multi N/C UVHS, multi N/C pharma UV Maintenance and care – X-axis direction: Forward or backward movement – Y-axis direction: Left or right movement – Z-axis direction: Up or down movement Figure 49Adjusting position 1 } Adjust position 1: To adjust the x-axis and y-axis positions, remove the sample ves- sel.

  • Page 76: Setting The Npoc Purge Flow

    Maintenance and care multi N/C UVHS, multi N/C pharma UV 6.2.4 Setting the NPOC purge flow The NPOC purge flow is preset to approx. 100 ml/min. Depending on the measurement task, you can increase or decrease the NPOC purge flow via the NPOC needle valve. The NPOC needle valve is on the device front behind the left-hand door.

  • Page 77: Syringe Pump Maintenance

    multi N/C UVHS, multi N/C pharma UV Maintenance and care Syringe pump maintenance Clean or replace the dosing syringe of the syringe pump as follows: Figure 52Syringe pump maintenance 1 Glass cylinder 2 Drive shaft } Open the doors of the analyzer. } Empty the syringe pump via the software: –...

  • Page 78: Replacing The Pump Hose

    Maintenance and care multi N/C UVHS, multi N/C pharma UV Replacing the pump hose CAUTION Risk of chemical burns during hose replacement Small quantities if acidic solutions can still be in the hoses. ¡ Wear protective gloves and clothing when replacing the hoses. ¡...

  • Page 79: Replacing The Hose Connections

    multi N/C UVHS, multi N/C pharma UV Maintenance and care } Position the guide piece around the pump body. } Press the guide piece upward with one hand. Turn the clip to the right until it engages with the other hand. } Push hoses 15 and 16 back onto their adapters.

  • Page 80: Checking The System For Leaks

    Maintenance and care multi N/C UVHS, multi N/C pharma UV Angled FAST connectors With angled FAST connectors, do not slide the hose ends beyond the side length of the connector. The gas flow will otherwise be impaired. Figure 53FAST connector, angled 1 Angled FAST connector 2 Hose 3 Glass connection...

  • Page 81: Uv Reactor Maintenance

    multi N/C UVHS, multi N/C pharma UV Maintenance and care } Switch on the analyzer. } Open the carrier gas supply on the pressure reducer. } Start the control and analysis software. } Check the flow display in the System state window: –...

  • Page 82: Cleaning The Tic Condensate Vessel

    Maintenance and care multi N/C UVHS, multi N/C pharma UV } After completing the cleaning process, carry out additional flushing measurements using ultrapure water in NPOC mode. Use the maximum injection volume of 20000 µl here as well and carry out 2 to 3 determinations. } Recheck the lamp intensity again after cleaning.

  • Page 83: Replacing The Water Traps

    multi N/C UVHS, multi N/C pharma UV Maintenance and care } Fasten the hoses in accordance with the image: – Slide waste hose 15 at least 1 cm onto the bottom side connection of the TIC condensate container. – Slide hoses 1, 19 and 20 into the FAST connectors first. Slide the hoses with FAST connectors onto the connections of the TIC conden- sate container.

  • Page 84: Figure 55 Replacing The Water Traps On The Front Side

    Maintenance and care multi N/C UVHS, multi N/C pharma UV Figure 55Replacing the water traps on the front side 1 FAST connector to hose 12 2 Disposable retention filter 3 Clamps 4 Aerosol trap as prefilter 5 FAST connector to hose 20 } Open the doors of the analyzer.

  • Page 85: Figure 56 Replacing The Water Traps On The Gas Box

    multi N/C UVHS, multi N/C pharma UV Maintenance and care Figure 56Replacing the water traps on the gas box 1 FAST connector 2 Clamp on the gas box 3 Prefilter (aerosol trap) 4 Disposable retention filter 5 Luer connection with FAST connector } Exit the control and analysis software.

  • Page 86: 6.10 Replacing The Halogen Trap

    Maintenance and care multi N/C UVHS, multi N/C pharma UV – Slightly tighten the screws first on the bottom side and then on the top side. Tighten the screws in turns. } Connect the power plug with the socket and switch on the analyzer again via the main switch.
  • Page 87 multi N/C UVHS, multi N/C pharma UV Maintenance and care } Open the doors of the analyzer. } Remove the FAST connectors from the halogen trap and remove the U-tube from the clamps. } Pull out the depleted copper wool or brass wool from the U-tube with tweezers or a small hook.

  • Page 88: Troubleshooting

    Troubleshooting multi N/C UVHS, multi N/C pharma UV Troubleshooting NOTICE Risk of device damage Contact customer service in the following cases: ¡ The troubleshooting measures described do not eliminate the error. ¡ The error occurs repeatedly. ¡ The error message is not featured in the following list or the list refers to customer service for troubleshooting the error.

  • Page 89: Software Error Messages

    multi N/C UVHS, multi N/C pharma UV Troubleshooting Software error messages Error code: Error message VERS: Communication error – incorrect com- mand set between PC and device! Cause Remedy The internal and external program ver- Update the internal and external pro- ¡...
  • Page 90 Troubleshooting multi N/C UVHS, multi N/C pharma UV Error code: Error message 7: COM 2 not found 8: COM 3 not found 9: COM 4 not found Cause Remedy ¡ Internal hardware problems. ¡ Switch the analyzer off/on. Error code: Error message 10: Gas pressure error Cause Remedy...
  • Page 91 multi N/C UVHS, multi N/C pharma UV Troubleshooting Error code: Error message 27: Optics error, analog values out of range Cause Remedy ¡ The analog values of the detector are ¡ Check the quality of the carrier gas. outside of the working range. ¡...
  • Page 92 Troubleshooting multi N/C UVHS, multi N/C pharma UV Error code: Error message 113: Lifting drive error / Sampler: z drive er- ror (steps lost) Cause Remedy ¡ The drive is incorrectly positioned, e.g. ¡ Initialize the analyzer. jammed. ¡ If the error cannot be corrected, contact ¡...

  • Page 93: Status Errors

    multi N/C UVHS, multi N/C pharma UV Troubleshooting Error code: Error message 409: Syringe pump: pump sluggish Cause Remedy ¡ A hose line is clogged. ¡ Search for the cause and remedy the fault. ¡ Clean or replace the hose line. ¡...

  • Page 94: Device Errors

    Troubleshooting multi N/C UVHS, multi N/C pharma UV Error indication In < 140 ml/min; Out =140 ± 5 ml/min No carrier gas. Turn on the carrier gas on the pressure ¡ ¡ reducer. ¡ The inlet pressure of the carrier gas sup- ¡...
  • Page 95 multi N/C UVHS, multi N/C pharma UV Troubleshooting Error UV lamp does not switch on during initial- ization Cause Remedy ¡ The measuring gas flow is below the ¡ Check the gas flow, see Status errors. range of 140 ml/min. Error UV lamp switches off during operation Cause Remedy...
  • Page 96 Troubleshooting multi N/C UVHS, multi N/C pharma UV Error Autosampler does not draw in sample without air bubbles Cause Remedy ¡ The sample intake path is leaky. ¡ Check the hose connections. ¡ If necessary, tighten loose hose connec- tions to the canula or to the valve of the syringe pump.

  • Page 97: Transport And Storage

    multi N/C UVHS, multi N/C pharma UV Transport and storage Transport and storage Transport When transporting the device, observe the safety instructions in the "Safety instructions" section. Avoid the following during transport: Impact and vibration ¡ Risk of damage due to shock, impact or vibration! ¡...

  • Page 98: Preparing The As Vario Autosampler For Transport

    Transport and storage multi N/C UVHS, multi N/C pharma UV } Close the front doors of the analyzer. } Carefully package the accessories. Ensure that the glass components are packed to prevent breakage. } Package the analyzer and the accessories in the original packaging. ü...

  • Page 99: Moving The Device In The Laboratory

    multi N/C UVHS, multi N/C pharma UV Transport and storage 8.1.3 Moving the device in the laboratory CAUTION Risk of injury during transport Dropping the device poses a risk of injury and damage to the device. ¡ Proceed carefully when moving and transporting the device. Two persons are re- quired to lift and carry the device.

  • Page 100: Disposal

    Disposal multi N/C UVHS, multi N/C pharma UV Disposal Waste water Waste water containing acids and samples occurs during device operation. Dispose of the neutralized waste in accordance with the legal requirements. Halogen trap The halogen trap contains copper and brass. Contact the responsible institution (author- ity or waste disposal company).
  • Page 101 multi N/C UVHS, multi N/C pharma UV Disposal } Remove the right side wall of the analyzer. } Unscrew the four attachment screws for this. The screws are captive and remain attached to the wall. } Remove the protective grounding (see arrow). Set the side wall aside safely.
  • Page 102 Disposal multi N/C UVHS, multi N/C pharma UV } Remove the complete UV module from the analyzer toward the rear and to the right. } Pull the plug-in connector out of the connection in the analyzer (see ar- row). } Detach hose 23 from the PTFE screw connection on the UV module. ü...

  • Page 103: Specifications

    multi N/C UVHS, multi N/C pharma UV Specifications Specifications 10.1 Technical data General characteristics Designation/type multi N/C UVHS multi N/C pharma UV Basic device dimensions (W x H x D) 513 x 464 x 550 mm Basic device mass 30 kg Methods data Digestion principle Wet chemical UV oxidation at 185 nm;...

  • Page 104: 10.2 Standards And Directives

    Specifications multi N/C UVHS, multi N/C pharma UV Typical average power consumption 150 VA Maximum power consumption 200 VA PC interface USB 2.0 Module/accessory interface RS 232 Only use original fuses from Analytik Jena! Ambient conditions Operating temperature +10 to 35 °C (air-conditioning recom- mended) Maximum humidity 90 % at 30 °C...
  • Page 105 multi N/C UVHS, multi N/C pharma UV Specifications EU directives The device meets the requirements of the directive 2011/65/EU. The device is designed and tested in accordance with standards meeting the require- ments of EU directives 2014/35/EU and 2014/30/EU. The device leaves the factory in a sound condition with regard to technical safety.

  • Page 106: Revision Overview

    Revision Overview multi N/C UVHS, multi N/C pharma UV Revision Overview Ver- Effective Changes sion date 2021-01 ¡ 1st version, note: New version labeling after introduction of the Document Management System (A, B, etc.) ¡ Change of the company' s legal form 2021-11 Inclusion in content management system ¡...
  • Page 107 multi N/C UVHS, multi N/C pharma UV Table of figures Table of figures Figure 1 Analyzer with open front..........................15 Figure 2 Syringe pump ..............................16 Figure 3 Hose diagram ..............................17 Figure 4 FAST connector .............................. 17 Figure 5 Fingertight screw connection ........................
  • Page 108 Table of figures multi N/C UVHS, multi N/C pharma UV Figure 40 Connections on the backplate of the solids module ..................57 Figure 41 Data for new calibration ..........................61 Figure 42 Current sample data ............................63 Figure 43 Performed calibration data ........................... 64 Figure 44 Linking a calibration to a method (3 calibration ranges)................

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