EST Encon Evolution User Manual
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EST Encon Evolution User Manual

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Encon Evolution User Manual
Original Operating Instructions
(Rev. 4.5)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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  • Page 1               Encon Evolution User Manual Original Operating Instructions (Rev. 4.5)                                                ...
  • Page 3 Fairfield OH, 45014 USA Acknowledgements Encon Evolution® is a registered trademark of EST Analytical. Carbopack®, Carbosieve®, Carboxen®, SP®, and Vocarb® are trademarks of Sigma-Aldrich Co. Tenax® is a trademark of Enka Research Institute Arhem. HP® is a registered trademark of Hewlett-Packard Company.
  • Page 4 EST expressly disclaims all warranties not stated herein. In the event the product is not free from defect as warranted above, the purchaser’s sole remedy shall be provided above. Under no...
  • Page 5 La mention AVERTISSEMENT signale un danger. Il attire l'attention sur une procédure ou une pratique exploitation, ou le comme ça, s'il n'est pas correctement effectuée ou respectée, peut entraîner des blessures de la mort. Ne pas aller au-delà d'une mention AVERTISSEMENT...

  • Page 6: Table Of Contents

    Table of Contents Chapter 1: Introduction Product Description Product Specifications Warnings and Symbols Disposal and Recycling Information Chapter 2: Encon Evolution Installation and Set-up General Information Work Space Requirements Power Requirements Unpacking the Encon Evolution System Setup 2.5.1 Interface Connection 2.5.2...
  • Page 7 3.12 Active Run Log Screen 3.13 Report Screen 3.14 Integrity 3.15 Help Screen 3.16 Recommended Encon Evolution Purge and Trap Parameters USEPA Method 8260b Chapter 4: User Maintenance Technical Support Contact Information Cleaning the Encon Evolution Trap and MoRT Replacement Diagnostics Screen 4.4.1...

  • Page 8: Chapter 1: Introduction

    User Manual Introduction Chapter 1...

  • Page 9: Product Description

    With the Encon Evolution, if a foamed sample is detected the sample will be drained; the GC will be sent a start signal to perform a blank run, ensuring the GCs sequence table is accurate. The sample pathway is then baked out and a notification is written to the instrument’s sample log.

  • Page 10: Product Specifications

    of a button. Users can be locked out of this area by an administrator if desired. The complete log can be viewed at any time showing any errors, trap changes, leak and flow check status etc. This information is stored until printed or deleted from the system. Product Specifications Major Features ...
  • Page 11 Valve  Electrically actuated  8-port, 45 degree rotation  Replaceable valve rotor Transfer Line  Siltek tubing, 0.020 ID  60“ (152.4cm) standard Optional Glassware  5 ml Needle sparge kit  25 ml Needle sparge kit  25 ml frit sparge kit ...

  • Page 12: Warnings And Symbols

    EST Analytical will assume no responsibility for customers failing to comply with the safety precautions stated.  Use of the Encon Evolution for something other than the intended use of the instrument is prohibited.
  • Page 13  Sound pressure level of the Encon Evolution is 58db (A).  When cleaning the Encon Evolution please refer to section 4.2 of the User Manual. No other cleaning agents may be used other than what is specified in this section.

  • Page 14: Disposal And Recycling Information

    Indicates Hot Surface Indique surface chaude Indicates Bulky/Heavy Item, Use Two Person Lift Indique objet volumineux / lourds, utilisez deux personnes ascenseur 1.4 Disposal and Recycling Information United States: This symbol indicates that your product must be disposed of properly according to local laws and regulations.
  • Page 15 User Manual Installation and Setup Chapter 2...

  • Page 16: General Information

    The system setup and installation is intended to be as thorough as possible. If in doubt at any point during the installation, please contact EST Analytical toll free at (800) 283- 3510, or outside the United States at (513) 642-0100. If installation is not directed or performed by EST Analytical personnel, the operator must be thoroughly familiar with setup and installation sections of this manual.

  • Page 17: Unpacking The Encon Evolution

    Unpacking the Encon Evolution 1. The Encon Evolution is packaged in one carton as shown in Figure 2a containing all components necessary for instrument installation and operation. Figure 2a: Shipping Container 2. Before unpacking the Encon Evolution visually inspect the shipping carton for any damage.

  • Page 18: System Setup

    . NOTE: Please retain all shipping material. System Setup Please refer to Figure 2b for a view of the back panel of the Encon Evolution. Figure 2b: View of the Encon Evolution’s back panel 2.5.1 Interface Connection Install the supplied interface cable between the Encon Evolution and Gas Chromatograph.

  • Page 19: Monitor Connection

    Encon Evolution and set the tank pressure between 60-80 psi (414-552kPa). Carrier Gas Connect the carrier gas line of the Encon Evolution to the union at the cut in carrier gas pathway of the gas chromatograph. The heated transfer line will connect to the other end of the cut in the carrier gas line pathway that is closest to the inlet.
  • Page 20 User Manual Operation Chapter 3...
  • Page 21 2. <click> Encon EV on the desktop. 3. The EST Analytical screen will appear while the application is loading. 4. When the application has loaded, the user will need to input the password in order to log on. The default password is ESTAnalytical (case sensitive).

  • Page 22: Main Screen

    The Main Screen The Encon EV Main screen (shown in Figure 3a) displays a series of icons which allow the user to navigate through the application, build methods, monitor the status of the concentrator, trouble shoot and view the status logs. After a screen has been accessed the icons will be displayed along the left side of the screen to allow the user to simply click on the icon to load another screen of the program.

  • Page 23: Exit Icon

    Instrument tab - <click> the Instrument tab, the screen will appear as shown in Figure 3b. This provides information specific to the Encon EV instrument. Encon Evolution – Listed in the Encon Evolution box is the instrument name, serial number and software version. This information is used in troubleshooting and generating key codes for the optional hardware additions to the standard Encon EV platform.
  • Page 24 Figure 3c: Options screen – System Setup tab System Setup tab - <click> the System Setup tab, the screen will appear as shown in Figure 3c. From this screen select instrument configurations and settings such as type of trap, GC ready signal, pressure units, maximum temperatures and to set the trap maintenance reminder.
  • Page 25 CC Closure – CC Closure must be selected when interfacing with a GC which gives a contact closure output signal when ready and a contact open output signal when not ready. NOTE: Changing the signal set up settings may require a hardware jumper change.
  • Page 26 Set Reminder – A reminder can be programmed to prompt the user to replace the trap on a selected date, <click> on the check box. From the pull down, a calendar will be displayed to allow the user to select the future date. After the date has passed a pop up reminder box will appear when initializing the Encon EV application and every 24 hours after the date has passed.

  • Page 27: Sequence Screen

    Properties – This selection allows for the level of access to a specific user. The user(s) will be identified and set up by the authorized Field Service Engineer during the Encon EV installation. Sequence Screen The Sequence screen provides the ability to analyze batches of samples using different Encon EV methods.

  • Page 28: Method Screen

    Saving a Sequence - <click> on the Save icon and the sequence will be saved. Open a Saved Sequence - <click> on the Open icon and all previously saved sequences are available to be loaded. 3.10 Method Screen The Method screen contains the settings and conditions necessary to create an Encon EV purge and trap method.
  • Page 29 GC run time is longer than the purge and trap cycle time or when utilizing the dual concentrator option of the Encon Evolution system. Start Delay (min) – This is the time in minutes that the Encon EV will wait until sending out a ready signal.
  • Page 30 Figure 3g: Economy Mode screen Standby Flow (ml/min) – The rate at which the gas flows through the sample pathway while the instrument is in standby and purge ready. This parameter is off (no standby flow) or on with a programmed value of 0 – 500ml/min using the up/down selection arrows.

  • Page 31: Purge And Trap Tab

    Mount Temperature (°C) – (OPTION) – This is the temperature of the sample mount. This parameter can be set to a temperature between 35°C and 100°C in 1°C increments using the up/down arrows. Auxiliary Temperature (°C) – (OPTION) – This is the temperature of the auxiliary heater.
  • Page 32 Purge Flow Rate (ml/min) – This setting is the rate at which the purge gas is programmed to flow through the sample pathway during purge. The purge flow rate can be programmed from 1 to 500mL/min in 1mL/min increments. Programmable Purge Flow Control - <click> the Program button to enable this feature.
  • Page 33 Final Hold Time (min) – This is not a programmable setting but a function of the set conditions. The final hold time will be the difference of the final purge time from the sum of the initial time and the time needed to achieve the final flow rate. For Example: Total Purge Time = 4 minutes Initial Flow = 40ml/min Initial Hold Time = 0.5 minutes...
  • Page 34 Final Flow (ml/min) – This is the ending dry purge flow rate programmed in ml/min. The final flow can be programmed from 0 to 500ml/min in 1ml/min increments. Once the desired options are selected, <click> the Exit button to return to the Method Screen.
  • Page 35 Desorb Flow Control (psi/kPa) – DFC is an enhanced feature of EST Analytical’s water management system. It provides for lower flow through the trap during desorb while maintaining higher split ratios at the GC inlet. Setpoint is tied to EV pressure and must be above the initial column head pressure to increase split flow.
  • Page 36 For Example: Total Bake Time = 10 minutes Initial Temperature = 200°C Initial Hold Time = 2 minutes Ramp Rate = 10°C/min per minute Final Temperature = 260°C Final Hold time = 2 minutes. Explanation: Since it takes 6 minutes to ramp from 200°C to 260°C at a rate of 10°C/min per minute.
  • Page 37 Ramp Rate ((°C/min)/min) – This is the rate programmed in °C/min per minute the bake temperature will increase after the initial hold time has expired to the desired final temperature set point. The temperature can be programmed in 1°C/min to the final temperature set point 1°C/min increments. Final Temperature (°C) –...
  • Page 38 Bake Flow Rate (ml/min) – This is the flow rate of the pressurization gas during the bake cycle. The bake flow rate can be programmed from 0 to 500ml/min in 1ml/min increments. NOTE: It is suggested to have a minimum a flow rate of at least 10ml/min passing through the trap when the trap temperature is above ambient.
  • Page 39 Figure 3m: Programmable Bake Flow Control Once the desired options are selected, <click> the Exit button to return to the method parameters screen. Bake Time (min) – This is the total length of time for one bake cycle. The bake time can programmed from 0.0 to 999.9 minutes.

  • Page 40: Sample Heater Tab (Option)

    Figure 3n: Method screen – Sample Heater tab 3.10.3 Sample Heater tab (Option) – If this Option is installed <click> on the Sample Heater tab. The screen will appear as shown in Figure 3n. This tab contains the parameters for the operation of the sample sparge tube heater. The sample heater comes on at desorb and through the bake cycle to reduce carryover from run to run.

  • Page 41: Run Status Screen

    3.11 Run Status Screen The Run Status screen contains all the information needed to monitor the Encon EV during the purge and trap process. <click> on the Run Status screen icon. The Run Status screen will be displayed as shown in Figure 3o. Figure 3o: Run Status screen The Run Status screen displays the current Encon EV instrument settings for real time monitoring of the concentrator and contains the buttons necessary to apply the Step To,...

  • Page 42: Active Run Log Screen

    These function keys allows the user to navigate through the entire purge and trap process. By selecting a step to the desired task the Encon EV will override the current function that the concentrator is engaged in and proceed to that choice. Start / Stop –This is a dual function button.
  • Page 43 Figure 3p: Active Run Log screen Printing the Run Log – <click> the Printer icon. The Error Log can be printed if the Encon EV is interfaced to a printer. Saving the Run Log – <click> the Save icon. The Error Log can be saved. Opening a saved Run Log –...

  • Page 44: Integrity

    User Manual the user can view a PDF version of the operation manual. Encon Evolution Software Update – By placing the cursor and clicking on HOW TO – Encon Evolution Updates the user can view the instructions to update the Encon Evolution software.
  • Page 45 HOW TO - Encon Evolution Update. The Encon EV update file will either be a ZIP archive or a self-extracting EXE archive. Encon EV updates may be accomplished through either of the two available USB ports and a USB memory stick.
  • Page 46 3.16 Recommended Encon Evolution Purge & Trap Parameters USEPA Method 8260B Valve Temperature Transfer Line Temperature Automatic Drain Sparge Vessel Bake Gas Bypass Standby Flow Rate On @ 40ml/min Trap Ready Temperature MoRT Ready Temperature Purge Flow Rate 40ml/min Purge Flow Time...
  • Page 47 User Manual Maintenance and Troubleshooting Chapter 4...
  • Page 48 The purpose of this Chapter is to familiarize the user with the various integrated maintenance and troubleshooting functions of the Encon Evolution. The Encon Evolution will require minimal maintenance of consumable items such as, tubing, traps, septa, Teflon ferrules, power cord, etc. The interval at which maintenance is required depends on use and sample types.

  • Page 49: Cleaning The Encon Evolution

     Please have the compact disc manual open and available. Cleaning the Encon Evolution 1. Wipe the outside of the Encon Evolution with a clean, damp, lint-free cloth. Cloth should be dampened with water only. Avoid any cleaning agents that could cause a hazard as a result of a reaction with parts of the equipment of with the material contained in it.

  • Page 50: Diagnostics Screen

    6. Verify the Encon Evolution is free of leaks by performing a Leak Check routine discussed later in this Chapter. 7. Condition the new trap by performing the single button ‘Trap Bake’ routine discussed later in this Chapter. Please use recommended conditions outlined by the trap manufacturer.

  • Page 51: Icons

    4.4.1 Icons 8 Port Valve icon - The 8 port valve can be manually actuated. <click> the 8 Port Valve icon. When actuated, the flow pathway will change indicating which ports are connected at that given position. Position A is the sample pathway and Position B is the desorb pathway.

  • Page 52: Manual Heater Control

    4.4.2 Manual Heater Control The heated zones, which consist of the Trap, MoRT, Sample (option), Mount (option), Transfer Line and Valve Oven may be manually heated to a specific set point temperature. <click> the temperature display box located next to the respective icon for any given heated zone and the manual temperature control will appear as shown in Figure NOTE: The system continuously monitors for over temperature conditions and will provide a pop-up screen to alert of any over temperature problems.

  • Page 53: Manual Valve Control

    4.4.3 Manual Valve Control NOTE: There are five solenoid valves on a single manifold and six solenoid valves on a dual manifold system. Five solenoid valves can be activated from the diagnostic screen. <click> the Flow (Pressurization) (#1), the Dry Purge (#2), the Vent (#3), the Backflush (#4) and the Bake (#6) valve(s) to energize or de-energize.

  • Page 54: Flow

    Figure 4e: Diagnostics Screen with Drop Down Menu 4.4.5 Flow <click> the Flow button. This will open the leak check and pressure check features. NOTE: It is recommended performing a leak check before proceeding with a flow check. NOTE: Flow diagrams of the Leak Check procedure are displayed in Chapter 5, Figures 5.9 and 5.10.
  • Page 55 If the Leak Check fails, refer to the Leak Check Flow Diagram within this manual or contact EST- Technical Support at (800) 283-3510 or (513) 642-0111 or your local authorized service representative. Flow Check This check uses the purge flow set in the method parameters. <click> Flow Check and the process will begin.

  • Page 56: Flow Calibration

    Figure 4f: Flow Calibration Screen 4.4.6 Flow Calibration Before performing a flow calibration, the Evolution must pass leak check. After verifying that the Evolution is leak free, a flow calibration can be done. <click> Calibration Flow Calibration Instrument Flow. After accessing flow calibration, see Figure 4f, follow the instructions given.
  • Page 57 Figure 4g: Manual trap bake screen. Bake Time (min) – Set the bake time from 0.0 to 999.9 minutes. Bake Cycles – Set the number of cycles from 1 to 10. After the bake time is completed the trap will cool to approximately 65°C before beginning the next bake cycle.

  • Page 58: Calibration

    Initial Hold Time (min) – This is the time in minutes the initial flow is maintained. The initial hold time can be programmed from 0.0 to 999.9 minutes. Ramp Rate ((ml/min)/min) – This is the programmed rate the flow will increase after the initial hold time.

  • Page 59: Manual Injection

    4.4.10 Manual Injection This function allows you to manually inject your sample directly onto the trap of the Encon Evolution. <click> the Manual Injection button and the software will instruct you on how to do the manual injection.

  • Page 60: Fuse Replacement

    Fuse Replacement All of the printed circuit boards in the Encon Evolution have fuses. If any of the fuses need replacement, power down the Encon Evolution, remove the cover, and replace the fuse. PWMTC Board EST Part Numbers:  Z1838FP001  Fuse Number  Description/Type  F1  2A 250V SLO BLO TR5 TYPE  F2‐F13, F17  6.3A 250V SLO BLO TR5 TYPE ...

  • Page 61: Chapter 5: Flow Diagrams

    User Manual Flow Diagrams Chapter 5...
  • Page 62 Figure 5.1: Standby/Dry Purge Flow Diagram...
  • Page 63 Figure 5.2: Purge Flow Diagram...
  • Page 64 Figure 5.3: Desorb Ready Flow Diagram...
  • Page 65 Figure 5.4: Desorb Flow Control Flow Diagram...
  • Page 66 Figure 5.5: Desorb Auto Drain Flow Diagram...
  • Page 67 Figure 5.6: Desorb Flow Diagram...
  • Page 68 Figure 5.7: Bake with Bake Gas Bypass Flow On Flow Diagram...
  • Page 69 Figure 5.8: Bake with Bake Gas Bypass Flow Off Flow Diagram...
  • Page 70 Figure 5.9: Leak Check Flow Diagram 1...
  • Page 71 Figure 5.10: Leak Check Flow Diagram 2...

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