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Thermo Valve Oven Operating Manual

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Operating Manual

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  • Page 1 HOME Va l ve Ov en Operating Manual...
  • Page 2 Valve Oven Operating Manual May 2003 Edition Part Number 317 093 63 © 2003 Thermo Finnigan Italia S.p.A. All rights reserved. Printed in Italy Published by ThermoFinnigan Italia S.p.A., Strada Rivoltana, 20090 Rodano - Milan - Italy Tel: +39 02 95059355 Fax: +39 02 95059388 Printing History: First Edition, released May 1999.
  • Page 3: Table Of Contents

    Valve Oven Overview... 11 Introduction ... 12 Options ... 13 Installation and Power Requirements... 14 Power Requirements and Voltage Selection... 15 Valve Oven Components ... 16 Heated Section ... 17 Unheated Section ... 17 Valves... 17 Column... 17 Chapter 2 Valve Installation...
  • Page 4 Contents Chapter 4 Troubleshooting ...43 Leak testing... 43 Valve Switching ... 44 Valve Plumbing ... 45 Appendix A Customer Communication ...47 How To Contact Us ... 47 Europe... 47 Africa, Asia and Oceania... 49 North, Central and South America ... 50 Reader Survey...
  • Page 5: About This Manual

    Overview This Valve Oven Operating Manual contains information for operating the Valve Oven, including Troubleshooting and ordering spare parts. This manual is organized as follows: Chapter 1, Valve Oven features and components. Chapter 2, TRACE GC Ultra Valve Oven. Chapter 3, Operation, presents operating instructions for the TRACE GC Ultra Valve Oven.
  • Page 6: Conventions Used In This Manual

    Conventions Used in This Manual The following symbols and typographical conventions are used throughout this manual. Bold Italic Monospace Monospace Bold » KEY NAME CAUTION NOTE WARNING! Bold text indicates names of windows, menus, dialog boxes, buttons, and fields. Italic indicates cross references, first references to important terms defined in the glossary, and special emphasis.
  • Page 7: Instrument Markings And Symbols

    Instrument Markings and Symbols The following table explains the symbols used on Thermo Finnigan instruments. Not all of them are used on the TRACE GC Ultra gas chromatograph and Valve Oven. Symbol Operating Manual Description Direct Current Alternating Current Both direct and alternating current Three-phase alternating current Earth (ground) terminal Protective conductor terminal...
  • Page 8 Symbol Description Equipment protected throughout by DOUBLE INSULATION or REINFORCED INSULATION (Equivalent to Class II of IEC 536) Instruction manual symbol affixed to product. Indicates that the user must refer to the manual for specific Warning or Caution information to avoid personal injury or damage to the product.
  • Page 9: Using The Trace Gc Ultra Document Set

    Using the TRACE GC Ultra Document Set The TRACE GC Ultra Document Set (CD-Rom PN 317 095 00) includes all manuals in electronic format, and serves as your library for information about the TRACE hardware and software. The TRACE GC Ultra Document Set (PN 317 093 00) as paper copy is also available Furthermore, ThermoFinnigan part numbers (PN) for the paper copy manuals are provided for each book title.
  • Page 10 Preventive Maintenance Schedule (PN 317 092 80) This document provides a list of recommended scheduled maintenance and a year-long log book to record maintenance, observations, supply lists, and service records. Maintenance and Troubleshooting Guide (PN 317 091 80) This manual contains instructions for diagnosing and resolving operational problems.
  • Page 11: Chapter 1 Valve Oven Overview

    Valve Oven Overview This chapter provides an overview to TRACE GC Ultra Valve Oven features and components. Chapter at a Glance... Introduction Installation and Power Valve Oven Components Operating Manual ...12 Requirements...14 ...16...
  • Page 12: Introduction

    Valve Oven Overview Introduction The TRACE GC Ultra Valve Oven, shown in Figure 1-1, is a temperature controlled enclosure for mounting up to six (four heated + two unheated) sampling and/or switching valves, 1/8" OD packed columns and up to eight needle valves and four pressure regulators.
  • Page 13: Options

    2. TRACE GC Ultra Valve Box for Up to Six Valves This version is the same as previous option (TRACE GC Ultra Valve Oven) but without heating elements. It provides an additional cold zone to accommodate up to four gas sampling/switching valves, up to two valves for liquid sampling, restrictors and 1/8”...
  • Page 14: Installation And Power Requirements

    Helium, Nitrogen, or other gas depending on your applications Installation and Power Requirements The Valve Oven is attached to TRACE GC Ultra and it is factory installed and configured. On-site installation is related to the gas plumbing defined by the customer’s application or accompanying diagram.
  • Page 15: Power Requirements And Voltage Selection

    1-3). CAUTION AC line voltage is applied to the valve oven when the main GC is turned on. Turn the main GC power off before removing the valve oven heaters. Valve oven power for the 24 V dc solenoid is supplied by an external power module that plugs into the rear of the valve oven.
  • Page 16: Valve Oven Components

    Valve Oven Overview Valve Oven Components The TRACE GC Ultra Valve Oven consists of four major components as shown in Figure 1-3. • Headed Enclosure • Unheated Enclosure • Valve • Column 1. Heated Enclosure 2. Unheated Enclosure 3. Valves 4.
  • Page 17: Heated Section

    • up to six in and out connections for sample loading/vent/flow measurement Valves Your TRACE GC Ultra Valve Oven has the following available valves: • standard pneumatic Valco rotary valves • standard pneumatic Valco rotary valves with purged housing...
  • Page 18 Chapter 1 Valve Oven Overview Valve Oven Components Operating Manual...
  • Page 19: Chapter 2 Valve Installation

    Valve Installation This chapter provides instructions for installing and configuring valves in the TRACE GC Ultra Valve Oven. Chapter at a Glance Introduction Opening the Valve Installing Valves in the Heated Oven Installing Valves in the Unheated Compartment Installing Valves in the Valve...
  • Page 20: Introduction

    Introduction NOTE Before starting, cool the Valve Oven to 50°C or cooler. Do not turn the GC off. The heated section of the Valve Oven accepts standard Valco gas actuated valves with 3-inch standoff. The unheated section will accommodate Valco gas actuated valves without standoff.
  • Page 21: Installing Valves In The Heated Oven

    Installing Valves in the Heated Oven Installing Valves in the Heated Oven Installing valves consists of the following steps: Step 1. Installing the solenoid Step 2. Disassembling the valve and actuator Step 3. Installing the valve and standoff Step 4. Connecting gas lines from the solenoid to the actuator Step 5.
  • Page 22 Valve Installation 1. Time Event Output Jack 3. Valve 1 Position Figure 2-1. Timed Event Output Jacks, Solenoid Manifold, and Valve Positions 4. Connect the cable from the solenoid valve (Figure 2-4) to the proper timed event output jack (Figure 2-2) located in the lower rear inside corner of the valve compartment.
  • Page 23 Oven. 1. Remove any insulation found in the valve mounting hole. The valve mounting hole is located in the lower Valve Oven heater block. 2. Inspect the valve and actuator being sure the valve is in the counter clock wise (ccw) position.
  • Page 24 2. Secure the collar using two M 4 x10 mm screws. Be sure the 7/64” set screw in the collar is accessible from the outer edge of the Valve Oven. Clockwise (CW) Position Mechanical stop Figure 2-3.
  • Page 25 Gas lines are much easier to connect to the actuator if the connection is made before the actuator is assembled to the valve. 1. Locate the 1/8 in. nylon tubing supplied in the Valve Oven kit and cut it into two equal 12” pieces.
  • Page 26 Valve Installation 5. Verify there are no major leaks in the fittings. NOTE Applying pressure to this side of the actuator will ensure that the actuator stays in the ccw position. 6. Take the other 1/8” piece of nylon tubing and place it in the upper fitting on the actuator.
  • Page 27 Installing Valves in the Heated Oven Step 6. Testing the Valve 1. Configure the valve and rotate it clockwise and counter-clockwise. Refer to Chapter 3, 2. Ensure that the valve moves freely in both directions. 3. Refer to Figure 2-3 and inspect the valve stop when the valve is in both positions to ensure that the stop is at the travel limit on each side.
  • Page 28: Installing Valves In The Unheated Compartment

    Gas lines are much easier to connect to the actuator if the connection is made before the valve/actuator and bracket are secured to the floor of the valve enclosure. 1. Locate the 1/8” nylon tubing supplied in the Valve Oven kit and cut it into two equal 12” pieces.
  • Page 29 1. Locate the three sets of mounting holes in the Valve Oven compartment floor. 2. Select the desired set of holes and secure the valve bracket to the holes using M 4 x 10 screws (Figure 2-6).
  • Page 30 Valve Installation 1. Valve 3. Collar “A” 2. Valve Mechanical Stop 4. Actuator Figure 2-6. Installing an Unheated Compartment Valve Installing Valves in the Unheated Compartment Operating Manual...
  • Page 31: Installing Valves In The Valve Box

    Installing Valves in the Valve Box Installing Valves in the Valve Box This version of Valve Oven is used when any valves heating is required. Valve Box for up to Six Valves This option is analogous to the Valve Oven but without heating elements.
  • Page 32: Configuring Valves

    Off and the clockwise position is On. NOTE Typically, the valve nearest to the rear of the Valve Oven will be configured as valve 1. 1. Press CONFIG on the TRACE GC Ultra keypad.
  • Page 33 If you want valve #1 to be a switching valve, select 4. Press ENTER. 5. Press CLEAR to return to the 6. Repeat as necessary for the remaining valves in the Valve Oven or valve compartment. Operating Manual and press ENTER.
  • Page 34 Chapter 2 Valve Installation Configuring Valves Operating Manual...
  • Page 35: Chapter 3 Operation

    Operation This chapter presents operating instructions for the TRACE GC Ultra Valve Oven. The valves can be operated manually using the keypad on the TRACE GC Ultra, or automatically using the run table accessed on the TRACE GC Ultra keypad.
  • Page 36: Operating Valves Manually

    Operation Operating Valves Manually 1. Press VALVES on the TRACE GC Ultra keypad. 2. Scroll to the valve you want to operate. The display may look like this: • If the valve is a gas sampling valve, press On to place the valve in the Inject position or Off to place the valve in the Load position.
  • Page 37: Switching Off

    Operating Valves Manually • If the valve is a switching valve, press On to place the valve in the clockwise (CW) position or Off to place the valve in counterclockwise (CCW) position. The display changes to reflect the current valve state. •...
  • Page 38: Operating Valves Automatically

    Operation Operating Valves Automatically Press the RUN TABLE key to access the TRACE GC Ultra Run Table display. You can automatically switch valves by adding the desired valve event to the run table. Figure 3-2. The TRACE GC Ultra Keypad, Showing the Run Table Key Adding a Gas Sampling Valve Event to the Run Table 1.
  • Page 39 Operating Valves Automatically 2. Scroll to 3. Select 4. Scroll to the sampling valve that you want to add and press ENTER. The following screen appears: Inject at injected. The inject position. After that time, the valve returns to the Load position. If the Inject for valve to the Load position at the end of the run.
  • Page 40: Adding A Gas Switching Valve Event To The Run Table

    Operation 6. Press CLEAR three times to exit to the NOTE Pressing CLEAR within a run table entry will delete that entry. To use CLEAR to back out of the menu, you must first be out of the run table entries themselves. Adding a Gas Switching Valve Event to the Run Table For switching valves, two run time entries are required—one to switch the valves on and one to switch the valves off.
  • Page 41: Heating The Valve Oven

    ON or OFF and press ENTER. With no run table entries selected, press CLEAR multiple times to exit to the run event table. OPERATING PROCEDURE Heating the Valve Oven 1. On the TRACE GC Ultra keypad, press AUX. 2. Scroll to 3.
  • Page 42 Chapter 3 Operation Operating Valves Automatically Operating Manual...
  • Page 43: Chapter 4 Troubleshooting

    Troubleshooting This chapter has information to help you to find and correct potential problems when using the TRACE GC Ultra Valve Oven. Chapter at a Glance… Leak Testing Valve Switching...44 Valve Plumbing The most common problem associated with valves and plumbing are leaks, valves not switching properly, and valves not plumbed correctly.
  • Page 44: Valve Switching

    Troubleshooting Refer to the TRACE operations manual, Chapter 4, Gases and Controls, for leak test suggestions and the necessary hardware required to pressure check a plumbing system. Symptom Valve leaking between ports Valve leaking around rotor Leaking out valve ports Valve Switching Valco valves contain a rotor that is turned by the actuator.
  • Page 45: Valve Plumbing

    Table 4-2. Causes and Remedies for Improper Valve Switching Cause Actuator leaking Valve event not set correctly Valve Plumbing Verify the valve and system plumbing conforms to the appropriate plumbing diagram for your system setup (See Chapter 3). Trace the plumbing from port to port to insure all connections are made properly Operating Manual Remedy...
  • Page 46 Chapter 4 Troubleshooting Operating Manual...
  • Page 47: Customer Communication

    Customer Communication This appendix has contact information for Thermo Finnigan offices worldwide. This appendix also contains a one-page feedback on this manual and help us improve the quality of our documentation. How To Contact Us ThermoFinnigan provides comprehensive technical assistance worldwide and is dedicated to the quality of our customer relationships and services.
  • Page 48 FINLAND Oy G.W. Berg & Co. AB PO Box 12 Finn 02201 Espoo Tel: (9) 88664600 Fax: (9) 88664699 GERMANY Thermo Finnigan APG Gmbh Boschring 12, 63329 Egelsbach Tel: (06103) 4080 Fax: (06103) 408 222 IRELAND ThermoFinnigan U.K. 19 Trentham Lake South Imex Technology Park, Trentham ST4 8JF, Stoke on Trent, STAFF Tel: (1782) 645136...
  • Page 49: Africa, Asia And Oceania

    TURKEY Dolunay Teknik Cihazlar Ltd. Darulaceze Cad. No 43/A 80290 Okmeydani Istanbul Tel: (212) 2105435 Fax: (212) 2105434 Africa, Asia and Oceania AUSTRALIA Thermo Finnigan Australia PTY LTD Unit 14, 38-46 South Street Rydalmere, NSW 2116 Tel: 02 9898 9000 Fax:: 02 9898 9800 INDIA Nulab Equipment Co.
  • Page 50: North, Central And South America

    PEOPLES REPUBLIC OF CHINA Finnigan Beijing Office Room 912-916, Ping-an Mansion no 23 Finance Street Xi Cheng District Beijing Tel: (10) 66210852 Fax: (10) 6610851 SOUTH AFRICA Premier Technologies P.O Box 173 Northriding 2162 South Africa Tel: (011) 4661410 Fax: (011) 4661313 U.A.E BDH Middle East P.O.
  • Page 51: Reader Survey

    Reader Survey Product: Valve Oven for TRACE GC Ultra Manual: Valve Oven Operating Manual Part No.: 317 093 63 Please help us improve the quality of our documentation by completing and returning this survey. Circle one number for each of the statements below.
  • Page 53: Glossary

    This section is an alphabetical descriptive list of terms common to this industry. This also includes abbreviations, acronyms, metric prefixes, and symbols. baud rate ºC Operating Manual ampere alternating current analog-to-digital converter byte (8 b) data transmission speed in events per second Celsius Carriage and Insurance Paid To centimeter...
  • Page 54 Glossary ºF gain harmonic distortion HOT OC Electron Capture Detector electromagnetic compatibility electrostatic discharge Fahrenheit Flame Ionization Detector Free on Board Flame Photometric Detector foot gram A measure of the ability of an electronic circuit or device to increase the magnitude of an electronic input parameter. gas chromatograph electrical ground height...
  • Page 55 impulse LVOCI LVSL Operating Manual hertz (cycles per second) inside diameter International Electrotechnical Commission transient inch input/output kilo (10 or 1024) Kelvin kilogram kilopascal length liter Local Area Network pound light-emitting diode Large Volume On-Column Injector Large Volume Injector meter (or milli [10 mega (10 Glossary...
  • Page 56 Glossary µ meniscus negative polarity Ω micro (10 megabecquerel millicurie The curved upper surface of a column of liquid. minute milliliter millimeter mass-to-charge ratio nano (10 The inverse of a detector signal polarity. nanometer Nitrogen Phosphorous Detector On-Column Injector outside diameter pico (10 pascal printed circuit board...
  • Page 57 PPKD RS-232 S/SL slow average source current surge Operating Manual Packed Column Injector part number Purged Packed Column Injector pounds per square inch Programmable Temperature Vaporizing Injector random access memory radio frequency read-only memory industry standard for serial communications second Split/Splitless Injector surge A gradual, long-term change in average RMS voltage level,...
  • Page 58 transient V ac V dc The symbol for a compound unit that is a quotient (for example, degrees Celsius per minute or grams per liter) is written with a negative exponent with the denominator. For example: °C min instead of °C/min instead of g/L A brief voltage surge of up to several thousand volts, with a duration of less than 50 µs.
  • Page 59: Index

    Mechanical Stop Positions for Switching Valves Operation Adding a Gas Sampling Valve Event to the Run Table Adding a Gas Switching Valve Event to the Run Table Heating the Valve Oven Operating valves automatically Operating valves manually Overview Power Requirements Solenoid Manifold...
  • Page 60 Index Operating Manual...
  • Page 61 Figure 1-1. The Valve Oven...12 Figure 1-2. The Valve Oven and the TRACE GC Ultra ...14 Figure 1-3. TRACE GC Ultra Valve Oven Components...16 Figure 2-1. Timed Event Output Jacks, Solenoid Manifold, and Valve Positions ...22 Figure 2-2. Timed Event (TE) Output Jacks ...23 Figure 2-3.
  • Page 62 Table 4-1. Leak Testing for Valves ...44 Table 4-2. Causes and Remedies for Improper Valve Switching ...44...