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wtw PurCon IS sample preparation Operating Manual

Prepares the sample for the analysis of component substances with analyzers
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Operating manual
PurCon IS
Sample preparation
ba43133e06
05/2009

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Summary of Contents for wtw PurCon IS sample preparation

  • Page 1 Operating manual PurCon IS Sample preparation ba43133e06 05/2009...

  • Page 2: Ba43133E06

    © Copyright Weilheim 2009, WTW GmbH Reprinting - even as excerpts - is only allowed with the explicit written authorization of WTW GmbH, Weilheim. Printed in Germany. ba43133e06 05/2009...

  • Page 3: Table Of Contents

    PurCon IS Contents PurCon IS - Contents Introduction ........53 General information .
  • Page 4 Contents PurCon IS Technical data ....... . 91 General data ........91 Dimensions and weights .

  • Page 5: Introduction

    PurCon IS Introduction Introduction General information PurCon IS sample preparation prepares the sample for the analysis of component substances with analyzers. PurCon IS uses the most mod- ern technologies that enable largely maintenance-free and long-term operation. In comparison to conventional sample preparations, the maintenance costs of the PurCon IS are low.

  • Page 6: Structure And Function

    Introduction PurCon IS Structure and function PurCon IS consists of the following main components: Filter unit Control unit 1.2.1 Filter unit Fig. 1-1 Filter unit Framework Filter Air shower Permeate suction pipeline Suction tube ba43133e06 05/2009...
  • Page 7 PurCon IS Introduction The filter unit is immersed in the sample. The filter unit has 2 or 4 filters depending on the version. The front and back of the filter are used as a filter membrane. The sample is sucked into the inside of the filter by the permeate pump of the control unit.

  • Page 8: Control Unit

    Introduction PurCon IS 1.2.2 Control unit Main components of the control unit Fig. 1-2 Control unit (example with heating line for the permeate line) Operating panel Control electronics Permeate valve (3/2 port valve) Air compressor Permeate suction tube (back) Permeate line (front) Permeate pump ba43133e06 05/2009...

  • Page 9: Permeate Suction Line

    PurCon IS Introduction The operation and control of PurCon IS is carried out by the control unit. It contains all the control and monitoring facilities that are required for the permeate extraction and forwarding. The air compressor for the BubbleClean self cleaning system is also contained in the control unit. Permeate pump The permeate is fed by a peristaltic pump with four pump channels.
  • Page 10 Introduction PurCon IS ba43133e06 05/2009...

  • Page 11: Safety Instructions

    PurCon IS Safety instructions Safety instructions This operating manual contains essential instructions that must be fol- lowed during the commissioning, operation and maintenance of the instrument. Consequently, all responsible personnel must read this operating man- ual carefully before working with the instrument. The operating manual must always be kept available within the vicinity of the instrument.

  • Page 12: General Safety Instructions

    Safety instructions PurCon IS General safety instructions This instrument is constructed and inspected in accordance with the relevant guidelines and norms for electronic measuring instruments (see chapter 7 T ECHNICAL DATA It left the factory in a safe and secure technical condition. Function and The failure-free function and operational safety of the instrument is only operational safety...

  • Page 13: Commissioning

    Permeate line with terminal box must be ordered seperately. Installation CAUTION The mounting of the PurCon IS may only be carried out by special- ists authorized by WTW. WTW reserves the right to reject warranty claims if this condition is violated. ba43133e06 05/2009...

  • Page 14: Control Unit

    Commissioning PurCon IS 3.2.1 Control unit Types of mounting The control unit can be mounted in the following ways in the vicinity of the sampling location: Rail mounting with the PCIS-MSG accessory set Wall mounting (see below) Note Instructions for mounting are given in the mounting instructions of the accessories.

  • Page 15: Filter Unit And Permeate Suction Line

    PurCon IS Commissioning 3.2.2 Filter unit and permeate suction line Types of mounting The filter unit can be mounted on site in the following ways: Chain mounting with the PCIS-MSK accessory set Pipe mounting with the PICS-MSS accessory set, e.g. on the railing Note Observe the minimum immersion depth of the filter unit (see dimensio- nal drawing in chapter 7 T...
  • Page 16 Commissioning PurCon IS Push the threaded plugs (pos. 2) over the two suction tubes up to the cable gland (pos. 6) and secure with the coupling ring (pos. 1). The flat side of the threaded plug must face down- wards. Connect the two suction hoses with the filter as shown in the following Fig.
  • Page 17 PurCon IS Commissioning Connecting the Open the door of the control unit. permeate suction line with the control unit WARNING Touching the electrical lines inside the control unit can result in danger to life from electric shock. Before opening the operating panel of the instrument, switch it off at the mains switch and pull out the mains plug.
  • Page 18 Commissioning PurCon IS 6a, b Fig. 3-5 Mounting the permeate suction hose Remove the coupling nut (pos. 4 in Fig. 3-5) from the cable glands and remove the threaded plug (pos. 5). Thread the two suction hoses (pos. 6a and 6b) from below through the terminal block (pos.
  • Page 19 PurCon IS Commissioning Fig. 3-6 Connecting the suction lines to the permeate valve Connect the two suction tubes with the free connections of the permeate valve (pos. 9a and 9b in Fig. 3-6). ba43133e06 05/2009...

  • Page 20: Terminal Box And Permeate Line

    Commissioning PurCon IS 3.2.3 Terminal box and permeate line One end of the permeate line is already connected with the terminal box in the factory. The following main steps are necessary for mounting the unit: Mounting the terminal box in the vicinity of the analyzer Connecting the terminal box with the analyzer Connecting the free end of the permeate line with the control unit.
  • Page 21 PurCon IS Commissioning Connecting the terminal Connect the transparent hose end of the permeate hose to the box with the analyzer permeate output of the terminal box (Fig. 3-7). Connect the black end of the permeate hose to the analyzer input or to the overflow vessel.
  • Page 22 Commissioning PurCon IS Push the permeate line from outside through the cable gland into the housing (pos. 2) until the encasing tube protrudes approx. 2 cm. Then tighten up the cable gland. Push the free hose end (pos. 3) into the connector (pos. 4) up to the stop.
  • Page 23 PurCon IS Commissioning Feed cable end (pos. 6 in Fig. 3-9) of the temperature measur- ing box through the cable gland to the terminal strip and con- nect it there. The terminal assignment is shown in the following Fig. 3-10. Temperature Heating line (option) measuring box...
  • Page 24 Commissioning PurCon IS Configuring the With the aid of a jumper in the temperature measuring box you can set temperature monitoring the operation mode of the temperature monitoring as follows: AUTO (factory setting): Automatic control of the heating tape. Jumper The heating tape is switched on if the mea- AUTO AUTO...

  • Page 25: Operation

    PurCon IS Operation Operation Operating elements This section provides you with the basic information, which concerns the operation of PurCon IS. Operating panel The operating elements are located on the operating panel behind the door of the housing. Netz Fig. 4-1 Operating panel Mains switch Selector switch of permeate supply...

  • Page 26: Starting Sample Preparation

    Operation PurCon IS Starting sample preparation Start checklist Before switching on PurCon IS, check the following points: Are the control unit and membrane box correctly connected with one another? Are all the tubes correctly connected? Are all the hose clamps used firmly tightened? Are all the tension arms of the permeate pump under tension? Switching on the To start sample preparation, carry out the following steps:...

  • Page 27: Taking Out Of Operation

    PurCon IS Operation Taking out of operation CAUTION If PurCon IS is taken out of operation for longer than one week, the filters must be cleaned according to 5.1 C SECTION LEANING THE FIL TER UNIT For putting the instrument out of operation for short periods, take the filter unit out of the sample and rinse with clear water.
  • Page 28 Operation PurCon IS ba43133e06 05/2009...

  • Page 29: Maintenance

    PurCon IS Maintenance Maintenance In comparison to conventional sample preparations, few maintenance activities are required. They are limited to the following activities: Cleaning the filter unit (section 5.1) Displacing the pump tubings (section 5.2) Replacing the pump tubings (section 5.3) Cleaning the air filter of the compressor (section 5.4).

  • Page 30: Cleaning The Filter Unit

    Maintenance PurCon IS Cleaning the filter unit CAUTION Cleaning may only be carried out by maintenance personnel who have been trained to deal with corrosive substances. The filter is cleaned chemically by the effect of 1 % sodium hypochlorite solution. The cleaning solution can be produced from various cleaning agent concentrates by dilution.
  • Page 31 PurCon IS Maintenance Fig. 5-1 Removing the filter Loosen the two knurled-head screws (pos. 2 in Fig. 5-1). Swivel the retaining clip (pos. 3) to the side and tilt the filter box down forwards. Pull out the filter from the retaining clip. Installation and Insert the filter in the filter unit in the reverse order to its removal and returning to service...

  • Page 32: Cleaning The Filter Unit

    Maintenance PurCon IS 5.1.2 Cleaning the filter unit For cleaning, the filters are immersed in a container with 1 % sodium hypochlorite solution as the cleaning solution. The quantity of cleaning solution required depends on the size of the container used. The filters must be completely submerged.
  • Page 33 PurCon IS Maintenance Cleaning the filter unit To clean the filters, carry out the following steps: CAUTION The filter surface is mechanically sensitive. Do not use any hard objects for cleaning the filters. Do not direct any strong jets of wa- ter onto the filter surface.

  • Page 34: Displacing The Pump Tubings

    Maintenance PurCon IS Displacing the pump tubings The displacement of the pump tubings is necessary to prevent the mechanical wear of the pump tubings becoming too great. If this activity is carried out regularly, the lifetime of the pump tubings may exceed 6 months.
  • Page 35 PurCon IS Maintenance Fig. 5-3 Displacing the pump tubings Click the cassette into place in the peristaltic pump and close the gripping lever. Bring the permeate pump to the required speed of rotation again on the permeate selector switch. Close the door to the housing. ba43133e06 05/2009...

  • Page 36: Replacing Pump Tubings

    Maintenance PurCon IS Replacing pump tubings To replace the pump tubings, carry out the following steps: Open the door of the control unit housing. Switch off the permeate pump (bring the permeate selector switch into position 0). Swing out the pump cassette. To do so, open the gripping lever.
  • Page 37 PurCon IS Maintenance Pump cassette Gripping lever Tighten Loosen Pump direction Clamping leve Section 2 Section 1 Bild 5-5 Inserting a pump tube Click the cassette into place in the peristaltic pump and close the gripping lever. Bring the permeate pump to the required speed of rotation again on the permeate selector switch.

  • Page 38: Cleaning The Air Filter Of The Compressor

    Maintenance PurCon IS Cleaning the air filter of the compressor CAUTION To clean the air filter, the operating panel must be opened. The op- erating panel may only be opened by a qualified electrician. The air filter has the task of protecting the compressor from particles and contamination.

  • Page 39: Cleaning The Control Unit

    PurCon IS Maintenance Fig. 5-7 Taking off the air filter Take the air filter off the compressor (pos. 3 in Fig. 5-7). Clean the air filter with neutral soap or replace it. Leave the cleaned or new air filter to dry and insert it again. Screw on the compressor lid again.
  • Page 40 Maintenance PurCon IS ba43133e06 05/2009...

  • Page 41: What To Do If

    PurCon IS What to do if ... What to do if ... Permeate is not being Is the permeate pump turning? If necessary, check the power supply of the PurCon IS. If the fault is not remedied, continue with step 2 Are the pump tubings properly mounted and functioning? Replace pump tubings if necessary.

  • Page 42: Replacing The Filter Plates

    What to do if ... PurCon IS Replacing the filter plates Exchange sets with 2 or 4 filter plates are available to replace the filter plates (see chapter 8 A CCESSORIES AND CONSUMABLE MATERIALS The sets contain: Filter plates Norprene tubing Cable ties How to remove and install the filter plates is described in section 5.1.1.

  • Page 43: Technical Data

    PurCon IS Technical data Technical data General data Test marks Environmental Temperature conditions Operation - 20 °C ... + 40 °C (-4 ... 104 °F) Storage - 25 °C ... + 65 °C (-13 ... 149 °F) Relative humidity ≤ 90 % Yearly average Dew formation Possible...
  • Page 44 Technical data PurCon IS FCC Class A Equipment Statement Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 45: Dimensions And Weights

    PurCon IS Technical data Dimensions and weights Dimensions Control unit: Lateral view Front view Filter unit: Minimum immersion depth Fig. 7-1 Dimension drawing of PurCon IS (dimensions in mm) ba43133e06 05/2009...

  • Page 46: Data Of Permeate Supply

    Technical data PurCon IS Mechanical data of Weight 15 kg control unit Type of mounting Wall mounting Housing material Glass fiber reinforced plastic (GRP) Type of protection IP 33 Installation in the open Possible (Make sure the control unit is mounted up- right!) Mechanical data of Weight...

  • Page 47: Accessories And Consumable Materials

    Replacement filter mat for the compres- AF/PurCon 810 005 Conversion sets The filter unit can be converted from 2 to 4 filter plates. Please contact WTW for further information. Cleaning agent – Household hygienic cleaner on a sodium hypochlorite basis, concentrates e.g. Dan Klorix...
  • Page 48 Accessories and consumable materials PurCon IS ba43133e06 05/2009...
  • Page 50 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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