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wtw TresCon Operating Manual

Pges analyzer module
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Operating manual
TresCon
Pges analyzer module
ba43121e03
01/2011

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Summary of Contents for wtw TresCon

  • Page 1 Operating manual TresCon Pges analyzer module ba43121e03 01/2011...
  • Page 2 Target group This manual is intended for all persons who are familiar with the installation, operation and maintenance of WTW analyzers. Detailed information on the previous experience required and the qualification of the user are given in the chapter, S...

  • Page 3: Table Of Contents

    Scope of delivery ......1-5 1.3.2 Retrofitting TresCon Pges ....1-6 1.3.3 Inserting the pump tubes .
  • Page 4 Pges Replenish reagents A + B (C + D) ....3-13 Empty reactor ....... .3-15 Empty system .

  • Page 5: Overview

    This operating manual has a modular structure, i.e. it contains a separate operating manual for the individual components of the multiparameter analyzer (see Fig. 1-1). This volume covers the operation of the TresCon Pges analyzer module (highlighted in gray in Fig. 1-1). Structure of the...

  • Page 6: Structure

    Overview Pges Structure Principle diagram Outlet Photometer Sample Cleaning solution Deionized Standard B Reagent A Reagent B Reagent C Reagent D (Peroxodisulfate) (NaOH) water (Sulphuric acid) Ascorbic acid (Molybdate solution) currentless path, filled Pump tubings: currentless path, open P1A: purple / orange / purple P1B: orange / orange / orange currentless path, closed P1C: orange / orange / orange...
  • Page 7 Photometer lamp Digestion reactor Pumps: P1A/B/C P2A/B/C Fig. 1-3 The TresCon Pges analyzer module Control LED A light emitting diode located on the measuring block provides the following information: LED illuminates Meaning red, continuous Malfunction of any type green, continuous...

  • Page 8: How It Functions

    Overview Pges How it functions 1.2.1 Main steps The total phosphorous content is determined by the TresCon Pges analyzer module in two main steps: Oxidative digestion of organic phosphorous compounds and hydrolysis of tripolyphosphates. Determination of the total orthophosphate PO4 with the aid of the phosphorous molybdenum blue method (photometric process).

  • Page 9: Commissioning

    When the analyzer is delivered, it already has individual analyzer modules integrated in it and is ready for operation. The TresCon Pges module is available as a retrofit kit with the following scope of delivery: P511: TresCon Pges analyzer module...

  • Page 10: Retrofitting Trescon

    Overview Pges 1.3.2 Retrofitting TresCon Pges This section is only relevant if the TresCon Pges module was purchased as a retrofit kit. Two free module slots must be available at the basic instrument for the retrofitting. Preparatory activities Installing TresCon Pges in an existing measuring system can require...
  • Page 11 Pges Overview Installing the analyzer Switch off the TresCon at the power switch (on the mounting module stand). Open the door of the TresCon. TresCon TresCon N0x-N Ser.-Nr. 00110020 WTW 82362 Weilheim Made in Germany TresCon NOx-N Ablauf Pumpschlauch Standard/Probe...
  • Page 12 Overview Pges TresCon TresCon N0x-N Ser.-Nr. 00110020 WTW 82362 Weilheim Made in Germany TresCon NOx-N Ablauf Pumpschlauch Standard/Probe blau / blau / blau Pump Tube Standard/Sample blue / blue / blue Thermoblock blau blue blau blue H O dest. Probe Reinigungslösung...
  • Page 13 P2C: orange / grün / orange 20 fixing screws (B) Fig. 1-6 Attaching the TresCon Pges module Place the TresCon Pges module in the mounting frame and screw it in place with the 20 screws (B) (see Fig. 1-6). ba43121e03 01/2011...
  • Page 14 Overview Pges TresCon TresCon Pges Ser.-Nr. 00110010 Ser.-Nr. 00110010 WTW 82362 Weilheim Made in Germany WTW 82362 Weilheim Made in Germany OP 510 TresCon Pges Ablauf/Outlet Photometer Probe Reinigungslösung Entionisiertes Standard B Reagenz A Reagenz B Reagenz C Reagenz D...
  • Page 15 Pges Overview Cable connection Connect the open socket of the TresCon Pges module with one of the two open cable plugs that are located on the matching slots behind the mounting frame. The second plug remains unused. TresCon automatically assigns the correct internal numbers to the installed modules (left-hand analyzer module = 1;...
  • Page 16 Overview Pges Connecting the outlet The outlet of TresCon Pges consists of an outlet tube and a ventilation tube and is already prepared for connection in the TresCon enclosure. Inside diameter (ID) of outlet tube: 10 mm Inside diameter (ID) of ventilation tube: 3 mm Connect the open end of the TresCon Pges outlet tube with the outlet adapter in the bottom of the TresCon enclosure (see Fig.

  • Page 17: Inserting The Pump Tubes

    Pges Overview 1.3.3 Inserting the pump tubes The pump tubes were removed from the pump cassettes in the factory in order to preserve them from damage during transport. Insert the pump tubes at the pumps P1 and P2 as follows: 1.

  • Page 18: Connecting The Permeate And Consumables

    Drilled hole To the overflow vessel Fig. 1-13 Connecting the permeate feed Feed the permeate tube of the TresCon Pges module (black, ID = 1.5 mm) out through the hole drilled in the base of the housing to the outside.
  • Page 19 Pges Overview Note If the TresCon Pges module is to be connected to an already installed overflow vessel (determination of several parameters at a single sampling location), an overflow vessel with 3 permeate nozzles must be used at this position. If this is not the case, replace the overflow vessel.
  • Page 20 Overview Pges Vent Color Coding Fig. 1-15 Color coding Connecting the cleaning solution Cleaning solution (NaOH) causes severe corrosion Do not allow this substance to get into the hands of children. Wear suitable protective gloves and goggles/face mask when working with this substance.
  • Page 21 Pges Overview Setting up the cool box The shelf life of the reagents is limited. Thus, they must be kept cool and dark even during operation. For this purpose, a cool box is set up on the reagent tray. Place a cool box on the tray of reagents. Connect the mains power supply of the cool box to a free power socket.

  • Page 22: Initial Commissioning

    Overview Pges 1.3.5 Initial commissioning When the TresCon Pges module has been installed and connected, the initial commissioning can be performed. Note Read the B section in volume 1, T , of this ASIC OPERATION ERMINAL operating manual if you are not yet familiar with the operation of the TresCon.

  • Page 23: Removal From Service

    Pges Overview Removal from service Depending on the duration of the shutdown, some precautionary measures need to be taken when removing the analyzer module from service. Shutdown of 1 to 7 days Perform the Empty system service, see section 3.8, page 3-17. Shutdown of more than Perform the AutoClean service, see section 3.1, page 3-3.

  • Page 24: Instrument Parameters

    Overview Pges Instrument parameters You can call up the following menu items via the main menu, Parameters Pges, and display or change the parameters there. Display calibration data Displays the values of the last calibration, page 2-10 Service Performs maintenance activities with support from the service menu.

  • Page 25: Operation

    STOP mode as important operating parameters could be changed. Calling up the main Measuring mode menu, Pges parameters Select the TresCon Pges module: Move the arrow (cursor) with 68 to the display line of the Pges analyzer module. ba43121e03 01/2011 2 - 1...
  • Page 26 Operation Pges Call up the Parameters Pges menu with 3. The main menu appears on the display. Note Further menu items appear if you move the cursor further down or up in the selection list! Select further menu items with 6. 2 - 2 ba43121e03 01/2011...

  • Page 27: Measuring

    Pges Operation Measuring The Pges analyzer module operates discontinuously. A measuring procedure is a sequence of several steps. The respective start time of a measuring procedure depends on the settings in the menus, Measuring interval and Interval program. Note The type of measuring and the intervals are specified in the Measuring interval menu.
  • Page 28 Duration Depends on the settings in the Measuring interval menu. Note The WTW background correction procedure is used to determine the concentration taking into account the color of the sample. 2 - 4 ba43121e03 01/2011...
  • Page 29 Reaction, the current measured value appears on the display. Display if the measuring TresCon Pges supplies measured values up to the double value of the range is exceeded upper limit of the measuring range of 3.00 mg/L Pges. If values are above the upper limit of the measuring range, the addition ">...

  • Page 30: Calibration (Autocal)

    Pges Calibration (AutoCal) The individual steps required for calibration run automatically (AutoCal). The TresCon Pges analyzer carries out an AutoCal calibration procedure at intervals. You can select the times and intervals in the AutoCal menu (see section 2.4 V CHANGE THE ).
  • Page 31 Pges Operation Step Instrument status/action Display on the screen – The digestion reactor is AutoCal: Emptying the pumped empty via the system photometer. – The heating of the digestion reactor is turned on (preheating). Measuring standard A Step Instrument status/action Display on the screen –...
  • Page 32 Operation Pges Measuring Standard B Step Instrument status/action Display on the screen – The digestion reactor is Rinsing standard B filled with standard B (without reagent). – The digestion reactor is AutoCal: Emptying the pumped empty via the system photometer. –...

  • Page 33: Manually Starting An Autocal Calibration

    Outside the times defined in the AutoCal menu, you can start an AutoCal calibration procedure as follows: Measuring mode Select the TresCon Pges module with 68. Press the 1 key. The AutoCal sequence begins immediately. First, AutoCal: Empty system appears on the display.

  • Page 34: Display Of Calibration Data

    AutoCal procedure with this menu item. Displaying calibration Measuring mode data Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Confirm the menu item Display calibration data with 3 . The display of the current calibration data appears.

  • Page 35: Service

    Pges Operation Calibration data The displayed information refers to the last calibration and has the following meaning: Parameter Meaning Measuring range Lower and upper limit of the measuring range, citation form Standard Concentration of phosphate in standard B ESTDA Absorbance of standard A ESTDB Absorbance of standard B Zero crossing of the calibration lines...

  • Page 36: View/Change The Autocal Parameters

    LEAN on page 2-14). PARAMETERS Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the AutoCal menu item with 68 and confirm with 3. The prompt Presentation of data/Change appears.
  • Page 37 Pges Operation Select the parameter to be changed with 68 and switch into input mode with 3. Input the values required, digit-by-digit if necessary, with 68. Change the digit with 57. Confirm the inputs with 3. If necessary, repeat steps 6 and 7 for any other parameters.

  • Page 38: View/Change The Autoclean Parameters

    AutoClean interval 1, 2, 3, 6, 12, 24 h Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the AutoClean menu item with 68 and confirm with 3.
  • Page 39 Pges Operation Switch into input mode with 3. Input the required interval with 68 and confirm with Leave the menu with 4. The request Store appears. Select Yes or No with 68 and confirm with 3. ba43121e03 01/2011 2 - 15...

  • Page 40: Autokorr Parameters

    Measuring interval menu works as a remedy (see section 2.10). In any case, only change Cnominal if the measured value from the TresCon module differs by more than 7 % of the highest value of the measuring range compared to the laboratory photometer.
  • Page 41 Pges Operation Select the AutoKorr menu item with 68 and confirm with 3. The prompt Presentation of data/Change appears. Select the Change mode with 68 and confirm with Enter the PIN digit-by-digit with 68, change the digit with 57 and confirm with 3. The analyzer module switches to the STOP mode.

  • Page 42: Carrying Out A Manual Correction

    (at the same time and place if possible) a selected comparison procedure (e. g. a laboratory photometer and WTW reaction cell test) and the TresCon Pges. The measured value from the comparison procedure is entered as the nominal value for TresCon Pges.
  • Page 43 Caution Only change Cnominal if the measured value from the TresCon module differs by more than 7 % of the highest value of the measuring range compared to the laboratory photometer.
  • Page 44 Operation Pges Switch into input mode with 3. Input the value calculated for Cnominal from the comparison measurement digit-by-digit with 68. Change the digit with 57. Complete the input with 3. The correction factor, delta, is calculated and displayed. Note The correction factor, delta is output to the RS232 interface with the calibration data (see section 6.3 RS COMMANDS...

  • Page 45: View/Change The Display Parameters

    Pges Operation View/change the Display parameters You can display or change the setting of the dimension in this menu. Conversion of the The reference unit is Pges [mg/L]. Based on this unit, the conversion to unit µmol/L is done with the following correlation: 1 mg/L Pges = 32.28514 µmol/L Pges Note The conversion of the dimension does not apply to the input of the...
  • Page 46 Operation Pges Changing the dimension Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Presentation of data menu item with 68 and confirm with 3. The prompt Presentation of data/Change appears.

  • Page 47: View/Change The Attenuation Parameters

    4 (= 400 s) Changing the Measuring mode attenuation Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Attenuation menu item with 68 and confirm with 3.
  • Page 48 Operation Pges Switch into input mode with 3. Input the rise time with 68 and confirm with 3. Leave the menu with 4. The request Store appears. Select Yes or No with 68 and confirm with 3 . 2 - 24 ba43121e03 01/2011...

  • Page 49: Parameter, View/Change Interval Program

    Pges Operation Parameter, View/change interval program You can input a weekly program for the measuring intervals. This weekly program is used for adapting the analyzer module to the daily load of the wastewater treatment plant. This minimizes the consumption of reagents. Principle Each weekday is divided into 2-hourly periods.
  • Page 50 Interval 10, 15, 20, 25, 30 ... 60 min, DIN. Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Interval program menu item with 68 and confirm with 3.
  • Page 51 Pges Operation Select the required weekday with 68 and confirm with 3. The cursor skips to the line of the first interval. Select the interval to be changed with 68 and switch into input mode with 3. Input the required value with 68 and confirm with 3. If necessary, repeat steps 7 to 9 for any other intervals.

  • Page 52: Changing/Viewing The Measuring Interval

    Operation Pges 2.10 Changing/viewing the measuring interval You can specify which TresCon features that concern the measuring intervals are active in this menu. The measuring interval is the period of time between the beginning of two consecutive measurements. The digestion duration is the time between closing the valves on the digestion reactor and switching off the reactor heating.
  • Page 53 Pges Operation Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Measuring interval menu item with 68 and confirm with 3. The prompt Presentation of data/Change appears.

  • Page 54: View/Change The Dilution Parameters

    If the sample is diluted before it flows into the overflow vessel of the TresCon (e.g. with the aid of a dilution pump), the corresponding dilution factor can be set. TresCon takes into account the dilution factor for the calculation of the measured value and displays the actual concentration value.
  • Page 55 Select Yes or No with 68 and confirm with 3 . Measuring mode: Display of the dilution The display of the dilution appears on the measured value display behind the current measured value. Here, a dilution of 1+4 is selected for the TresCon Pges module. ba43121e03 01/2011 2 - 31...
  • Page 56 Operation Pges Note The dilution is displayed in the measuring mode only (with the measured value display). The dilution does not appear in the STOP mode. 2 - 32 ba43121e03 01/2011...

  • Page 57: Maintenance

    Press the 3 key to skip individual steps. Calling up the service Measuring mode menu Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 58 Maintenance Pges Note All the menu items of the service menu cannot be displayed at the same time (see step 4). Move the selection to the lowest menu item with 6 and display further menu items with 6 again. After calling up the Service intervals menu item or AutoFlow, you can select the mode Presentation of data or Change each time.

  • Page 59: Starting The Autoclean Procedure

    Starting the AutoClean Measuring mode procedure Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 60 Maintenance Pges At the end of the procedure, an AutoCal procedure is automatically triggered. Afterwards, the TresCon switches into measuring mode. 3 - 4 ba43121e03 01/2011...

  • Page 61: Fill System

    Fill system This routine fills the wet chemical system with consumables. The TresCon guides the user through the service. The steps and activities required appear on the display. Only perform this service during initial commissioning or when returning the instrument to service. The supply and connection of the consumables to the analyzer module is described in section 1.3.4 C...
  • Page 62 Maintenance Pges At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 6 ba43121e03 01/2011...

  • Page 63: Replenish Naoh (Cleaning Solution)

    (see section 1.3.4 C ONNECTING THE PERMEATE AND CONSUMABLES Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 64 Maintenance Pges At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 8 ba43121e03 01/2011...

  • Page 65: Replenish Dist. H2O

    (see section 1.3.4 C ONNECTING THE PERMEATE AND CONSUMABLES Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 66 Maintenance Pges At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 10 ba43121e03 01/2011...

  • Page 67: Replenish Standard

    (see section 1.3.4 C ONNECTING THE PERMEATE AND CONSUMABLES Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 68 Maintenance Pges At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 12 ba43121e03 01/2011...

  • Page 69: Replenish Reagents A + B (C + D)

    (see section 1.3.4 C ONNECTING THE PERMEATE AND CONSUMABLES Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 70 Maintenance Pges Confirm the prompts each time with 3 after checking. After the last confirmation, the procedure begins immediately and the remaining duration appears on the display. At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 14 ba43121e03 01/2011...

  • Page 71: Empty Reactor

    You cannot quit the procedure. Starting the procedure Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 72 Maintenance Pges At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 16 ba43121e03 01/2011...

  • Page 73: Empty System

    Maintenance Empty system This service routine empties the wet chemical system of the instrument. Note If the TresCon is taken out of service for more than 24 hours, the Empty system service routine must be performed! Duration approx. 7 minutes Warning Only trained personnel is allowed to work on the analyzing section.
  • Page 74 Maintenance Pges Confirm the prompts each time with 3 after checking. After the last confirmation, the procedure begins immediately and the remaining duration appears on the display. At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. 3 - 18 ba43121e03 01/2011...

  • Page 75: Displace/Replace Pump Tubings

    Displace/replace pump tubings The pump tubings must be displaced or replaced at regular intervals. The TresCon has timers for this that indicate the maintenance activities required when the relevant service intervals expire. This service menu "guides" you through the necessary steps.
  • Page 76 Replace pump tubings, are identical: Step Action Empty system Displace/replace tubing. During this operation, the TresCon Pges module remains in the Wait mode. After confirmation of the tasks by pressing a key, the sequence of operations is continued. Filling the system Duration Part 1: approx.

  • Page 77: Replace Pump Tubings

    You cannot quit the procedure. Starting the procedure Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 78 Maintenance Pges Select the Replace the pump tubings service with 68 and confirm with 3. The 1st part of the checklist appears on the display. Pull the sample tubing out of the overflow vessel. Disconnect the canisters with consumables from the tubes. Place two suitable collecting containers (recommended capacity of 0.5l) on the tray of reagents so that all the ends of the tubes can be stuck into the collecting containers.
  • Page 79 After expiry of the 1st part of the routine: The 2nd part of the checklist appears on the display. During the following activities, the TresCon Pges module remains in the Wait mode. The steps 12 to 14 have to be carried out for each individual pump tube.
  • Page 80 At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. Note After this service, the TresCon Pges begins with AutoCal as soon as a new measurement starts. 3 - 24 ba43121e03...

  • Page 81: Displace Pump Tubings

    You cannot quit the procedure. Starting the procedure Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 82 Maintenance Pges Select the Displace pump tubings service with 68 and confirm with 3. The 1st part of the checklist appears on the display. Pull the sample tubing out of the overflow vessel. Disconnect the canisters with consumables from the tubes. Place two suitable collecting containers (recommended capacity of 0.5l) on the tray of reagents so that all the ends of the tubes can be stuck into the collecting containers.
  • Page 83 After expiry of the 1st part of the routine: The 2nd part of the checklist appears on the display. During the following activities, the TresCon Pges module remains in the Wait mode. The steps 12 to 14 have to be carried out for each individual pump tube.
  • Page 84 At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. Note After this service, the TresCon Pges begins with AutoCal as soon as a new measurement starts. 3 - 28 ba43121e03...

  • Page 85: Test Lamp /Replace Lamp

    This service switches the lamp in the photometer block on/off several times. Procedure Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 86 Maintenance Pges If the lamp is OK, Lamp ok appears on the display. If the lamp is defective, replace it (see section 3.10.2 R EPLACE LAMP Return to the service menu with 3. Note An AutoCal procedure (calibration) is triggered that cannot be quit when the subsequent measuring procedure starts.

  • Page 87: Replace Lamp

    CCESSORIES AND WEAR PARTS Procedure Measuring mode Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3. The service menu appears.
  • Page 88 Maintenance Pges Undo the fixing screw at the lamp module. Pull the lamp module out of the thermoblock. Pull the plug off the lamp module. Caution Do not touch the new halogen bulb with your hands! Contamination of the glass bulb shortens the operational life. Plug on the new lamp module.
  • Page 89 Pges Maintenance If the lamp is OK, Lamp ok appears on the display. Return to the service menu with 3. Note The parameters of the optical unit have been changed. An AutoCal procedure (calibration) is triggered that cannot be quit when the subsequent measuring procedure starts.

  • Page 90: Replacing The Tubing System

    For reordering, see section 6.1 A CCESSORIES AND WEAR PARTS When it is replaced depends on the sample preparation. The TresCon has adjustable timers that indicate the maintenance activities required when the relevant service intervals expire.
  • Page 91 Instrument status/action Empty system Part 1: Empty system Replace tubing system. During this operation, the TresCon Pges module remains in the Wait mode. After the tasks are confirmed by pressing a key, the sequence of operations is continued. Part 2:...
  • Page 92 Pges Replacing the Measuring mode tubing system Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3. The service menu appears.
  • Page 93 Pges Maintenance Replace tubing system. When doing this, observe the following points: – Replace the components of the tubing system step by step, starting at the overflow vessel or at the consumable canisters. – Make sure that all the tubings assembled have the same dimensions (length and diameter) as the original tubings.
  • Page 94 Maintenance Pges At the end of the procedure, Service finished appears on the display. Return to the service menu with 3. Note An AutoCal is triggered when the subsequent measuring procedure starts. You cannot quit the procedure. Tubing at the inlet of Install the tubes according to the picture on the following page.
  • Page 95 Pges Maintenance pull off by hand loose coils to the photometer block 60 mm 50 mm side with chamfered openings Pos. Hose type Inner Ø Length Tygon (transparent) 1.52 mm 60 mm Tygon (transparent) 1.52 mm 330 mm ba43121e03 01/2011 3 - 39...

  • Page 96: Changing/Viewing The Service Intervals

    90 d Changing the service Measuring mode intervals Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3.
  • Page 97 Pges Maintenance Select the parameter to be changed with 68 and switch into input mode with 3. Input the values required, digit-by-digit if necessary, with 68. Change the digit with 57. Confirm the inputs with 3. If necessary, repeat steps 6 and 7 for any other parameters.

  • Page 98: Switching Autoflow On/Off

    Maintenance Pges 3.13 Switching AutoFlow on/off The AutoFlow program is used to measure the current fluid levels of sample and reagents. As a result: Error messages are generated. The fluid levels of the reagents are determined. Fluid level measurement If the Fluid level measurement parameter is switched on, the current fluid levels in the containers are continuously determined by pressure measurements.
  • Page 99 Maintenance Changing the AutoFlow Measuring mode parameter Select the TresCon Pges module with 68. Call up the Parameters Pges menu with 3. The main menu appears on the display. Select the Service menu item with 68 and confirm with 3. The service menu appears.
  • Page 100 Maintenance Pges 3 - 44 ba43121e03 01/2011...

  • Page 101: What To Do If

    What to do if... What to do if... Different types of messages can appear on the display: Error message Malfunction, TresCon is in the Stop mode Informative message Normal operation, consumables declining Service message Normal operation, interval for maintenance activities has expired...
  • Page 102 What to do if... Pges Standard B blocked Cause Action Standard B cannot be Check the tubes for breaks and foreign transported, negative bodies and replace them as necessary pressure in the hose (including the tube and Y-pieces in the connector.
  • Page 103 Check the preconnected filter and dilution devices. Lack of sample Cause Action Sample flow has Check the sample inlet for leaks. Check stopped, TresCon Pges the preconnected filter and dilution sucks in air. devices. Outlet blocked Cause Action Sample and chemicals...

  • Page 104: Directions

    Yes Confirm the prompt with 3 to perform a An error occurred when reading parameter data. standard measurement. Contact the service department of WTW. Write error: Use default Cause Action settings Yes Confirm the prompt with 3 to perform a An error occurred when reading parameter data.

  • Page 105: Service Messages

    The intervals specified are the basic factory settings. Note You can change the intervals to adapt the TresCon to your operating conditions. The proceeding is described in section 3.12 C HANGING on page 3-40.
  • Page 106 Lifetime of tubes and T- Start the Replace tubing 90 days pieces exceeded system service. Instrument check Cause Action Interval A general instrument Contact the service maintenance is department of WTW. maintenance necessary. contract 4 - 6 ba43121e03 01/2011...

  • Page 107: Technical Data

    Note All details of the measuring accuracy refer to the use of standard solutions. Note The TresCon Pges module continues to measure outside the measuring range with lower accuracy. A note appears on the display. Calibration (AutoCal) Type of calibration Automatic 2-point calibration: Calibration with dist.
  • Page 108 Technical data Pges Consumable 1.5 L reagent A + B Depending on the selected measuring requirement interval Measuring interval Number of days 60 min 30 min 20 min 10 min 0.5 L reagent C + D Depending on the selected measuring interval Measuring interval Number of days...

  • Page 109: Appendix

    BA/P511/d ba43121d Operating manual, English BA/P511/e ba43121e Note Specifications of accessories and consumables for the individual analyzer modules are given in chapter A of the corresponding PPENDIX section of this operating manual (e.g. TresCon NH4-N). ba43121e03 01/2011 6 - 1...

  • Page 110: Pressure Sensors And Messages

    Appendix Pges Pressure sensors and messages The following table shows the relationship of the fluid level measurement result and the internal error message, Ex or Hx. Note During pressure measurement, the valves are immediately in the mode before the pressure measurement and the pump is off. Fluid level Sample Dist.
  • Page 111 Pges Appendix Display on the screen Type of error Pressure sensor Reagent A (B, C, D) empty Reagent A (B, C, D) empty h2 > 50 cm Dist. H2O Display on the screen Type of error Pressure sensor Replenish dist. H2O H2O must be filled -60 cm <...

  • Page 112: Rs Commands

    Appendix Pges RS commands The RS commands for the TresCon Pges module all begin with TX where X is the internal number of the analyzer module ( 1 ... 3). TXCCALI AutoCal is started. TresCon subsequently goes into the measuring mode.
  • Page 113 : 1.000 ----------------------------------------------------------- TresCon> If the last calibration was erroneous, the calibration data of the erroneous calibration and that of the last valid calibration is displayed. The data of the erroneous calibration is labeled with "err" next to the time.
  • Page 114 Appendix Pges -------------------------------------------- Pges module1 24.08.07 15:32:01 -------------------------------------------- 1.21 mg/L Pges -------------------------------------------- TresCon> TXRGPAR Read the instrument parameters. Instrument response: ----------------------------------------------------------- Selected parameters Pges module1 24.08.07 14:53:48 ----------------------------------------------------------- Display : Pges mg/l Measuring range: 0.01 - 3.00 mg/l PO4-P Standard B : 1.60...
  • Page 115 Pges Appendix -------------------------------------------- Pges module1 24.08.07 15:37:04 -------------------------------------------- AutoCal: 03:00, 12 h AutoClean: 03:00, 24 h -------------------------------------------- TresCon> TXWCLEANINT12 Setting of the AutoClean interval, here: 12 hours. Instrument response: -------------------------------------------- Pges module1 22.04.03 15:37:19 -------------------------------------------- AutoCal: 03:00, 12 h AutoClean: 03:00, 12 h -------------------------------------------- TresCon>...

  • Page 117: Preparing The Reagents

    Instruments 10 L container with stopper (contained within the scope of delivery of the TresCon Pges module) Measuring bucket 5 L Materials The following materials are required for 10 L cleaning solution: Reagent R/ A111, consisting of –...
  • Page 118 Tightly close the container. Carefully rock the container to dissolve the solids. Let the container cool down to body temperature. For use with the TresCon analyzer module, fill the prepared cleaning solution into the empty container (1.5 L) and label the container respectively.

  • Page 119: Index

    Pges Index Index change ..........2-26 default setting ........2-25 Accessories ..........6-1 Attenuation ..........2-23 how it functions ......... 2-23 AutoCal Lamp display/change parameters ....2-12 replace ..........3-31 AutoClean test ............ 3-29 display/change parameters ....2-14 start procedure from service menu ..3-3 steps ...........
  • Page 120 Index Pges Technical data ...........5-1 Tubing system replace ..........3-34 What to do if..........4-1 7 - 2 ba43121e03 01/2011...
  • Page 122 For more information on how Xylem can help you, go to xyleminc.com. ® Service address: Xylem Analytics Germany Sales GmbH & Co. KG Dr.-Karl-Slevogt-Str. 1 82362 Weilheim Germany Tel.: +49 881 183-325 Fax: +49 881 183-414 E-Mail wtw.rma@xyleminc.com Internet: www.WTW.com Xylem Analytics Germany GmbH Dr.-Karl-Slevogt-Str. 1 82362 Weilheim Germany...

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