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Pfeiffer Vacuum GSD 350 Operating Instructions Manual
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Pfeiffer Vacuum GSD 350 Operating Instructions Manual

Gas analysis system omnistar/thermostar
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OPERATING INSTRUCTIONS
EN
Translation of the Original
GSD 350 OMNISTAR/THERMOSTAR
Gas analysis system

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Summary of Contents for Pfeiffer Vacuum GSD 350

  • Page 1 OPERATING INSTRUCTIONS Translation of the Original GSD 350 OMNISTAR/THERMOSTAR Gas analysis system...
  • Page 2 Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new gas analysis system is designed to support you in your individual application with full performance and without malfunctions. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service.
  • Page 3 Foreseeable improper use Responsibilities and warranty Owner requirements Personnel qualification 2.8.1 Ensuring personnel qualification 2.8.2 Personnel qualification for maintenance and repair 2.8.3 Advanced training with Pfeiffer Vacuum Operator requirements Product description Functional description Controls and indicators Layout of the unit 3.3.1 Basic unit...
  • Page 4 Table of contents Establishing the Ethernet connection Connecting the exhaust duct 5.4.1 Trimming the exhaust gas hose 5.4.2 Connecting/disconnecting the exhaust gas hose Connecting the sealing gas line 5.5.1 Trimming the sealing gas hose 5.5.2 Connecting/disconnecting the sealing gas line Connecting the capillary 5.6.1 Connecting the stainless steel capillary 5.6.2 Connecting the quartz capillary...
  • Page 5 9.12.3Replacing the digital pressure regulator Troubleshooting Shipping Recycling and disposal 12.1 General disposal information 12.2 Dispose of a gas analysis system Service solutions by Pfeiffer Vacuum Spare parts Special tool Accessories 16.1 Accessory information 16.2 Ordering accessories Technical data and dimensions 17.1 General...
  • Page 6 Table of contents 17.3 Dimensions Certification Declaration of conformity 6/114...
  • Page 7 List of tables List of tables Tbl. 1: Applicable documents Tbl. 2: Variants Tbl. 3: Features of variants Tbl. 4: Abbreviations used Tbl. 5: Symbols and colors of the status and components icons Tbl. 6: Status LEDs and their meanings Tbl.
  • Page 8 List of figures List of figures Fig. 1: Position of the stickers on the product Fig. 2: Vacuum diagram of the OmniStar Fig. 3: Vacuum diagram of the ThermoStar Fig. 4: Additionally sealing gas supply in corrosive gas version Fig. 5: Display with operator keys Fig.
  • Page 9 List of figures Fig. 57: Disassemble the valve block Fig. 58: Part of the internal gas guide Fig. 59: Removing the gas inlet flange Fig. 60: Length of stainless steel capillary with clamping collar fitting Fig. 61: Notch and snap off the stainless steel capillary Fig.
  • Page 10 1.1.1 Applicable documents Designation Document "GSD 350 OmniStar/ThermoStar" operating instructions DA 0106 Operation via web interface and PV MassSpec "Quadrupole mass spectrometer" operating instructions BG 6001 QMG 250 PrismaPro "Quadrupole mass spectrometer"...
  • Page 11 Features of variants You can find the part number on the rating plate of the product. Pfeiffer Vacuum reserves the right to make technical changes without prior notification. The figures in this document are not to scale. Dimensions are in mm unless stated otherwise.
  • Page 12 This section describes all the stickers on the product along with their meaning. Rating plate (example) Rating plate of the unit. D-35614 Asslar Mod. GSD 350 PT Q80 ... Input Made in Germany 2020/02 Warning hot surface This sticker warns of injuries caused by high temperatures in case of touching without protection during operation.
  • Page 13 Standard for plug-and-socket connections in vacuum technology Ir-Y Yttrium oxide (Y ) coated iridium (Ir) Nitrile butadiene rubber Mean sea level Polyamide Polyethylene Proportional-integral derivative Pfeiffer Vacuum Polyvinyl chloride (PVC) PFTBA Colorless liquid for mass calibration (perfluortributylamine) Power over Ethernet 13/114...
  • Page 14 1.4 Trademark proof ● Windows ® and Internet Explorer ® are trademarks of Microsoft Corporation. ● OmniStar ® , ThermoStar ® and PrismaPro ® are trademarks of Pfeiffer Vacuum GmbH. ● Swagelok ® is a registered trade name of Swagelok Company. 14/114...
  • Page 15 Safety instructions according to product’s life stages All safety instructions in this document are based on the results of a risk assessment. Pfeiffer Vacuum has taken into account all the relevant life stages of the product. Risks during transport WARNING Danger of serious injury due to falling objects Due to falling objects there is a risk of injuries to limbs through to broken bones.
  • Page 16 ► Only operate the device in a dry environment. ► Operate the device away from fluids and humidity sources. ► Do not switch on the device if fluid has penetrated into it, instead contact Pfeiffer Vacuum Serv- ice. ► Always disconnect the current supply before cleaning the device.
  • Page 17 Safety WARNING Danger of poisoning due to toxic process media escaping from the exhaust pipe During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape freely into the air. There is a risk of injury and fatality due to poisoning in processes with toxic process media.
  • Page 18 Safety WARNING Health hazard through poisoning from toxic contaminated components or devices Toxic process media result in contamination of devices or parts of them. During maintenance work, there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub- stances causes environmental damage.
  • Page 19 ● Use with replacement or accessory parts that are unsuitable or are not approved 2.6 Responsibilities and warranty Pfeiffer Vacuum shall assume no responsibilities and warranty if the operating company or a third party: ● disregards this document ● does not use the product for its intended purpose ●...
  • Page 20 2.8.2 Personnel qualification for maintenance and repair Advanced training courses Pfeiffer Vacuum offers advanced training courses to maintenance levels 2 and 3. Adequately trained individuals are: ● Maintenance level 1 ─ Customer (trained specialist) ●...
  • Page 21 Safety 2.8.3 Advanced training with Pfeiffer Vacuum For optimal and trouble-free use of this product, Pfeiffer Vacuum offers a comprehensive range of courses and technical trainings. For more information, please contact Pfeiffer Vacuum technical training. 2.9 Operator requirements Observing relevant documents and data 1.
  • Page 22 Two versions of the GSD 350 are available with different gas inlet systems (OmniStar and ThermoStar). The gas inlet system reduces the pressure of the gas to be analyzed from 1000 hPa to the working pressure of the PrismaPro.
  • Page 23 Product description Fig. 4: Additionally sealing gas supply in corrosive gas version 1 Connection to the vacuum chambers Non-return valve 2 Venting valve Exhaust gas connection 3 Sealing gas valve Manual pressure regulator 4 Digital pressure switch with pressure gauge Sealing gas connection 3.2 Controls and indicators The 7"...
  • Page 24 Product description Symbol Meaning Color light green activated, operating status reached dark green activated, operating status not yet reached light gray not activated dark gray switched off, switched off status not yet reached Checkmark on status icon stable state, final status on or off reached Revolving arc in status icon Function started or stopped, final status not yet reached Tbl.
  • Page 25 Product description 3.3.2 Terminal area The terminal area contains all of the unit's interfaces and connections. D-35614 Asslar Mod. GSD 350 PT Q80 ... Input Made in Germany 2020/02 Fig. 7: Terminal area with interfaces and connections 1 "AUX IO" connection Sealing gas connection (see chapter “"AUX IO"...
  • Page 26 Product description Fig. 8: Gas inlet systems 1 Gas inlet valve Connection flange 2 Pump valve Vacuum chamber 3 Gas inlet ThermoStar Turbopump 4 Gas inlet OmniStar Interstage pumping of the turbopump Gas inlet system (OmniStar) When the gas inlet is open, 1 to 2 sccm of the gas to be analyzed are routed through the stainless steel capillary to the valve unit.
  • Page 27 The connection to the vacuum chamber is lateral via a DN 40 CF flange on the front side. The shut-off valve on the calibration unit can be opened and closed by the GSD 350 con- trol.
  • Page 28 Product description 3.3.6 Fore-vacuum system The diaphragm pump creates the fore-vacuum required for operating the turbopump. The connection to the fore-vacuum connection (T 1/4") on the turbopump consists of a connection hose (DN 6 mm). Four rubber buffers damp the vibrations of the diaphragm pump on the chassis. For defined disposal of the pumped gas, the diaphragm pump has an exhaust line that can be connected to a local gas disposal line or routed out of the laboratory.
  • Page 29 Product description Fig. 11: Sealing gas system 1 Digital pressure switch with pressure gauge Venting valve 2 Sealing gas connection Hose to venting valve 3 Exhaust gas connection Sealing gas valve 4 Manual pressure regulator Hose to sealing gas valve 5 Hose to exhaust gas connection 3.3.8 Gas analysis unit PrismaPro functional principle...
  • Page 30 Product description Fig. 12: Gas analysis unit components 1 Total pressure gauge Turbopump 2 Electronic unit QME 250 Interstage pumping of the turbopump 3 Heating cartridge in the vacuum chamber Ion source for analyzer QMA 250 M 4 Sealing gas valve of corrosive gas version Vacuum chamber 5 Venting valve 3.3.9 Heating and insulation...
  • Page 31 The gas inlet has a heating pad and silicone foam housing insulation. The gas inlet heating is always switched on and off parallel to the capillary heating. The GSD 350 automatically adapts the temperature of the heating pad. The heating pad temperature cannot be adjusted.
  • Page 32 The TC 110 electronic drive unit is a permanent component of the turbopump. The purpose of the elec- tronic drive unit is to drive, monitor and control the entire turbopump. Power supply pack The wide area power supply pack supplies voltage to all GSD 350 components. 32/114...
  • Page 33 3.4 Interfaces and connections The GSD 350 has an Ethernet interface for communication, and two input/output (I/O) connections, User I/O and AUX I/O, that allow the GSD 350 to exchange information with the customer's peripherals. 3.4.1 Mains power supply The mains connection socket with the main switch and fuse is located in the unit's terminal area. The required mains cable is included in the scope of delivery.
  • Page 34 For reasons of electromagnetic compatibility (EMC) (external disruptive influences), you must use a screened cable. Pfeiffer Vacuum urgently recommends wiring the analog inputs (+) and (-) with twisted pair cables. ► Connect the screening to the connection housing. ► Leave the other end open, or ground it to suppress ground loop currents.
  • Page 35 For reasons of electromagnetic compatibility (EMC) (external disruptive influences), you must use a screened cable. Pfeiffer Vacuum urgently recommends wiring the analog inputs (+) and (-) with twisted pair cables. ► Connect the screening to the connection housing. ► Leave the other end open, or ground it to suppress ground loop currents.
  • Page 36 Data transmission runs dark no data transmission / no connection Tbl. 8: Status of the Ethernet connection 3.5 Identifying the product You will need all the data from the rating plate to safely identify the product when communicating with Pfeiffer Vacuum. 36/114...
  • Page 37 3. Always have all rating plate specifications to hand. 3.6 Scope of delivery The shipment includes the following parts: ● GSD 350 OmniStar/ThermoStar ● Installation hardware and small parts ─ Allen key, WAF 2, 2.5 and 3 ─ 2 open-end wrenches, WAF 10 ─...
  • Page 38 Transport and storage 4 Transport and storage WARNING Danger of injury due to lifting heavy loads The product is heavy; it weighs up to 26 kg depending on the version. If one person lifts the product incorrectly without help, this will lead to injuries. ►...
  • Page 39 Transport and storage ► Maintain the permissible storage temperature. ► Avoid extreme fluctuations of the ambient temperature. ► Avoid high air humidity. ► Seal connections with the original protective caps. ► Protect the product with the original transport protection (where available). 39/114...
  • Page 40 ► Make sure there is unobstructed circulation of air when installing the device. ► Periodically check and clean the installed air filter, if necessary. The GSD 350 has: ● 2 venting openings with fans at the sides ● Venting openings on the top and bottom side of the removable display ●...
  • Page 41 2. Connect the plug on the mains cable into a suitable socket. 5.3 Establishing the Ethernet connection You need a corresponding Ethernet connection to operate the GSD 350 via the web interface or PV MassSpec software using a PC (host computer) or over a network.
  • Page 42 Installation Required material ● PE hose (exterior Ø = 6 mm) Fig. 26: Trimming the exhaust gas hose Procedure 1. Trim the exhaust gas hose with a sharp hose cutter: ● to the required length ● at right angles ● without deformation ●...
  • Page 43 Installation Disconnecting the exhaust gas hose 1. Make sure that the exhaust duct is unpressurized. 2. Press the release ring on the exhaust gas connection part firmly down on both sides in order to open the holding claws uniformly and avoid scratches on the exhaust gas hose. 3.
  • Page 44 Installation Fig. 29: Connecting/disconnecting the sealing gas line Connecting the sealing gas hose 1. Install a suitable pressure reduction system if you expect to exceed the permissible sealing gas pressure range. – The unit does not have its own sealing gas shut-off valve. 2.
  • Page 45 To optimize the orientation of the capillary tube for specific applications, the capillary tube can be placed in 3 different positions. Pfeiffer Vacuum always delivers the GSD 350 with the capillary hose on the right side (see from the front). Dummy caps are installed as seals on the two positions that are not used.
  • Page 46 5. Seal the previous capillary tube position with the dummy cap and the 3 countersunk screws. 5.8 Establishing a network connection You need a corresponding network connection to operate the GSD 350 via the web interface or PV MassSpec software using a PC (host computer) or over a network. A network uses IP addresses as a means of identifying individual units.
  • Page 47 ● not recommended: Dynamic (automatic) IP addresses are set automatically by a host (DHCP). An alternative to changing the GSD 350 IP address is changing the IP address of the host computer, to enable communication between the host computer and the GSD 350 .
  • Page 48 PrismaPro integrated in the GSD 350 using the PV MassSpec software. The PV MassSpec software is used to parameterize the PrismaPro and create, call and start measure- ment recipes. All other GSD 350 unit parameters and functions are still controllable via the display or the web interface.
  • Page 49 Commissioning 6 Commissioning NOTICE Severe vibration will damage the turbopump Severe vibration and vibrations during operation and after switching off will damage the turbopump. ► Avoid knocks and vibration during operation, for example, as caused by driving over cables and door sills. ►...
  • Page 50 Commissioning Fig. 33: "Control" screen Pumping down the vacuum system 1. Switch to the “Control” screen. 2. Press the "Pump down" button (see chapter “Pumping down the vacuum system”, page 61). The unit is ready for measuring. 50/114...
  • Page 51 Information on operating the GSD 350 via the web interface and PV MassSpec is available in the separate operating instructions as document number DA 0106. The GSD 350 can be operated via the display or alternatively via the web interface. For variants without a display, the web interface is exclusively used for operation.
  • Page 52 Operation via the display Menu Subprograms, functions and information 1. Level 2. Level Info Vacuum pumps Diaphragm Pump (see page 53) Turbopump Sensors Mass spectrometer Total pressure gauge Sealing gas sensor Valves Inlet valve (V1) Inlet valve (V2) Calibration valve Heating units Capillary heating Gas inlet heating...
  • Page 53 Unintended changes in the Service menu render the unit functions unusable and cause damage to the unit and its components. The Service menu is reserved for use by the Pfeiffer Vacuum Service and only accessible after log- ging in. ► Contact the Pfeiffer Vacuum Service.
  • Page 54 2. Press the parameter field. – A numerical input field appears. 3. Enter the desired value. – For values outside the permissible value range, the GSD 350 automatically assumes the highest or lowest permissible value. 4. Press the "Save" button to save the changes.
  • Page 55 Operation via the display 7.3.1 Creating and editing measurement recipes Fig. 36: "Measurement recipes" submenu The existing measurement recipes can be selected, edited or deleted in the "Measurement recipes" submenu. Up to 8 measurement recipes can be created. The following measurement recipes are preset: ●...
  • Page 56 3. Select "Selected Masses" measuring mode. 4. Define the measuring time for a mass (dwell). 5. Define the individual mass numbers (Mass: nn) that you want the GSD 350 to record and display over time. 6. Press the "New line" button to add further mass numbers.
  • Page 57 ► Switch the total pressure gauge off temporarily with the "Sensor On/Off" function if this is benefi- cial for specific analysis tasks. ► Disable the switch-off function of the GSD 350 for the total pressure gauge with the "Ignore sensor error" function so that you can continue on-going measurements if the total pressure gauge is de- fective.
  • Page 58 ● English (standard) ● German 7.3.5 Setting autostart functions Fig. 41: "Autostart" submenu In the "Autostart" submenu, you can define which functions of the GSD 350 start automatically after switching on. Autostart functions ● Vacuum Starts the vacuum pumps ● Heating Heats the capillary heating to the setpoint ●...
  • Page 59 Operation via the display 7.3.6 Setting the network parameters Fig. 42: "Network" submenu You can set the network parameters for the GSD 350 in the "Network" submenu. You may need to re- start the GSD 350 after the adjustment. Network parameters ● IP address ●...
  • Page 60 This function cannot be undone. Fig. 44: "Factory settings" submenu You can reset all of the GSD 350's parameters to the factory settings in the "Factory settings" submenu. Procedure 1. Activate the "Reset to as-delivered condition" switch. 2. Confirm the safety prompt by pressing the "Save" button.
  • Page 61 1. Switch to the “Control” menu. 2. Press the "Pump down" button. Sequence ● The GSD 350 transitions from "Vented" state to "Pump down" state. ● The venting valve shuts. ● The diaphragm pump starts up and evacuates the vacuum system.
  • Page 62 2. Press the "Heating on" button. Sequence for switching on ● The GSD 350 switches the capillary heating and the gas inlet heating on. ● A PID control regulates each heating circuit with the matching control parameters to achieve the required set temperature.
  • Page 63 (default = 120 °C, adjustable between 100 °C and 130 °C) ─ The GSD 350 turns the heating down, if there is a risk of excess temperature in the unit. Information to this effect appears in the display.
  • Page 64 ● The GSD 350 switches the electron multiplier off. 7.5.8 Opening and closing the calibration valve The calibration valve only exists on variants of the GSD 350 with a calibration unit. Prerequisite ● The turbopump is running at the set rotation speed Opening the calibration valve 1.
  • Page 65 Recommendations for corrosive gases and condensable gas mixtures 1. Allow dry air or inert gas to flow in through the capillary. 2. Allow the GSD 350 to run for another approx. 30 minutes to flush residues of corrosive gases and condensable gases out of the system.
  • Page 66 You can carry out maintenance work at maintenance level 1 yourself. We recommend Pfeiffer Vacuum Service for carrying out maintenance work at maintenance level 2 and maintenance level 3 (overhaul). If the required intervals listed below are exceeded, or if mainte- nance work is carried out improperly, no warranty or liability claims are accepted on the part of Pfeiffer Vacuum.
  • Page 67 Maintenance Group of components, Interval Mainte- Spare part/spare part Description module nance lev- and action Basic unit Cleaning housing parts If required (see page 71) Cleaning the protection Monthly (see page 72) screens on the fan High vacuum system Replace copper gasket on Always when the 490DFL040-S-S5 DN 40 CF flange connection...
  • Page 68 Maintenance Group of components, Interval Mainte- Spare part/spare part Description module nance lev- and action Capillary Shorten stainless steel capil- If plugged (see page 86) lary Replace stainless steel ca- PT 167 060 (see page 87) pillary PT 167 017 -T Trimming quartz capillary (see page 88) Replace quartz capillary...
  • Page 69 Fig. 46: Removing/attaching the gas inlet cover 1 Gas inlet cover Interior hexagon socket screw (8×M3) Prerequisites ● GSD 350 switched off ● Power cable disconnected Required tool ● Allen key, WAF 2 Removing the gas inlet cover 1. Loosen the interior hexagon socket screws on the gas inlet cover from the chassis.
  • Page 70 Removing/attaching the side covers 1 Side cover, right Interior hexagon socket screw (2×M3) 2 Side cover, left Prerequisites ● GSD 350 switched off ● Power cable disconnected Required tool ● Allen key, WAF 2 Removing the side covers 1. Loosen and remove the interior hexagon socket screws on the side cover from the chassis.
  • Page 71 ► Only operate the device in a dry environment. ► Operate the device away from fluids and humidity sources. ► Do not switch on the device if fluid has penetrated into it, instead contact Pfeiffer Vacuum Serv- ice. ► Always disconnect the current supply before cleaning the device.
  • Page 72 ► Operate the device away from fluids and humidity sources. ► Take special precautions if there is a risk of dripping water. ► Do not switch on the device if fluid has penetrated into it, instead contact the Pfeiffer Vacuum Service Center.
  • Page 73 Housing cover on turbopump Procedure 1. Carefully place the GSD 350 on its side. 2. Open the turbopump housing cover using the wrench for the housing cover. 3. Replace the operating fluid reservoir and the Poroplast rods in line with the turbopump operating instructions.
  • Page 74 3 Sealing gas supply (corrosive gas version) Remove the turbopump (optional) Due to the cramped conditions in the GSD 350 it can be useful to first remove the turbo- pump before starting to remove or install the valve. 1. Remove the electronics unit on the PrismaPro (see chapter “Maintaining the QMA 250 M analyzer”, page 77)
  • Page 75 Maintenance 9.4 Maintaining the fore-vacuum system 9.4.1 Replacing the diaphragm pump Prerequisites ● GSD 350 switched off ● Power cable disconnected ● Turbopump at standstill ● Side covers removed ● Housing cover removed Required tools ● Open-end wrench, WAF 7 ● Allen key, WAF 3 ●...
  • Page 76 – Observe the correction position of the intake side. 9.4.2 Replace diaphragm pump diaphragms The typical service life of diaphragms and valves is 15 000 operating hours at nominal speed under clean operating conditions and with the GSD 350 analyzing inert gases only. Prerequisites ● GSD 350 switched off ●...
  • Page 77 PrismaPro operating instructions Information on disassembly and assembly of the electronic unit (QME) and analyzer (QMA) is available in the PrismaPro operating instructions. Prerequisites ● GSD 350 switched off ● Power cable disconnected ● Turbopump at standstill ● Side covers removed ●...
  • Page 78 If you notice a loss of measuring sensitivity, the cause may be decreasing gain of the built-in electron multiplier (EM) or contamination of the ion source. In such a case, Pfeiffer Vacuum recommends deter- mining the sensitivity of the PrismaPro with the electron multiplier switched off, i.e. only with the Fara- day detector.
  • Page 79 The GSD 350's MPT 200 AR total pressure gauge is a combined measurement tube consisting of a Pi- rani sensor and a cold cathode sensor. Depending on the use of the GSD 350, often when using gas mixtures with a high argon content, it can happen that the total pressure gauge becomes polluted and the cold cathode sensor no longer ignites.
  • Page 80 ► Remove protective caps and protective covers from flanges and connections only when necessa- ► Carry out all work in a well lit area. If the gas inlet valve is opened and the pressure in the GSD 350 does not increase at all or increases only slightly (pressure remains < 1 × 10 hPa), it can be assumed that either the stainless steel capilla- ry or the screen of the gas inlet is partly or completely blocked.
  • Page 81 ► Make sure the inner gas guide is complete. ► Make sure that the compression spring and the ceramic sleeve are located on the gas guide part. ► Remove missing parts from the vacuum chamber before starting up the GSD 350 again. Prerequisites ●...
  • Page 82 ► Make sure the inner gas guide is complete. ► Make sure that the compression spring and the ceramic sleeve are located on the gas guide part. ► Remove missing parts from the vacuum chamber before starting up the GSD 350 again. Prerequisites ●...
  • Page 83 ► Remove protective caps and protective covers from flanges and connections only when necessa- ► Carry out all work in a well lit area. If the pressure in the GSD 350 is permanently < 1 × 10 hPa although atmospheric pressure is present at the inlet of the quartz capillary, it can be assumed that either the quartz capillary or the screen of the gas inlet is partly or completely blocked.
  • Page 84 ► Make sure the inner gas guide is complete. ► Make sure that the compression spring and the ceramic sleeve are located on the gas guide part. ► Remove missing parts from the vacuum chamber before starting up the GSD 350 again. Prerequisites ●...
  • Page 85 ► Make sure the inner gas guide is complete. ► Make sure that the compression spring and the ceramic sleeve are located on the gas guide part. ► Remove missing parts from the vacuum chamber before starting up the GSD 350 again. Prerequisites ●...
  • Page 86 6. Mount the insulating collar on the gas inlet housing. 9.8 Servicing the capillary If the expected total pressure is not achieved in the GSD 350, that is, the pressure remains at < 1 × 10 hPa) with the gas inlet open (OmniStar), then it must be assumed that either the capillary or the screen on the gas inlet is partly or completely blocked.
  • Page 87 (see chapter “Replacing the interior gas guide and screen”, page 82) 9.8.2 Replace the stainless steel capillary Prerequisites ● GSD 350 switched off ● Power cable disconnected ● Turbopump at standstill ● Stainless steel capillary disconnected from measurement point ● Gas inlet cover removed Required tools ●...
  • Page 88 Maintenance Fig. 62: Clamp collar fitting for the stainless steel capillary 1 Adapter Rear clamp collar 2 Nut Stainless steel capillary 3 Front clamp collar Procedure 1. Trim the length of the stainless steel capillary (see chapter “Shorten the stainless steel capilla- ry”, page 86).
  • Page 89 Maintenance Prerequisites ● GSD 350 switched off ● Power cable disconnected ● Turbopump at standstill ● Quartz capillary disconnected from measurement point ● Length of quartz capillary still sufficient after shortening Required tools ● Capillary cutting tool Fig. 63: Notching and snapping off the quartz capillary Trimming the quartz capillary 1.
  • Page 90 Maintenance Do not loosen the rear fitting You must not open the rear fitting on the gas inlet flange. To replace the capillary, only open the front fitting. Fig. 64: Front fitting of the quartz capillary 1 Rear fitting Pressure screw 2 Front fitting Quartz capillary 3 Seal (ferrule)
  • Page 91 ► Contact the Pfeiffer Vacuum Service. 9.9.2 Maintaining the gas inlet heating If the GSD 350 shows a defect of the gas inlet heating, then the heating and/or the temperature sensor must be replaced. Procedure Pfeiffer Vacuum Service handles the replacement.
  • Page 92 5. On the rear side of the display, fasten the countersunk screws of the cable fasteners. 6. Place the display in the GSD 350. During the run-up, the GSD 350 automatically synchronizes the display with the configuration of the GSD 350.
  • Page 93 Maintenance 9.11 Maintaining the calibration unit 9.11.1 Refilling with calibration medium Prerequisites ● GSD 350 switched off ● Power cable disconnected ● Turbopump at standstill ● Side covers removed ● Housing cover removed Required tools ● Allen key, WAF 2.5 ● Open-end wrench, WAF 17 Required consumables ●...
  • Page 94 Sealing gas feed Remove the turbopump (optional) Due to the cramped conditions in the GSD 350 it can be useful to first remove the turbo- pump before starting to remove or install the valve. 1. Remove the electronics unit on the PrismaPro (see chapter “Maintaining the QMA 250 M analyzer”, page 77)
  • Page 95 10. Connect the sealing gas supply to the sealing gas valve. 9.12.2 Replacing the manual pressure regulator Pressure regulator preset Pfeiffer Vacuum has factory preset the pressure regulator. Do not change the preset. Procedure Pfeiffer Vacuum Service handles the replacement. ► Contact the Pfeiffer Vacuum Service.
  • Page 96 Troubleshooting 10 Troubleshooting Notes on malfunction handling in the Help menus Further information on malfunction handling and malfunction handling when operating the unit via the web interface or when using the PV MassSpec software can be found in the corresponding Help menus. Problem Possible cause Remedy...
  • Page 97 Troubleshooting Problem Possible cause Remedy Diaphragm pump switches off. Overtemperature 1. Check the fans. 2. Service the diaphragm pump. Cable connection Check the plug-and-socket loose connections on the diaphragm pump and the mainboard. Diaphragm pump Service the diaphragm pump or defective replace the diaphragm pump.
  • Page 98 Troubleshooting Problem Possible cause Remedy Pressure in vacuum chamber is too high Inlet pressure too Reduce the pressure. on the high inlet side of the capillary to (> 3 × 10 hPa) (for ThermoStar and/or Om- < 1200 hPa. niStar with open gas inlet valve). Leakage Check the capillary seal in the gas inlet area.
  • Page 99 Troubleshooting Problem Possible cause Remedy High noise level PrismaPro settings See PrismaPro operating in- incorrect structions. After the "Vent" control command, the vac- Delay time for vent- Wait for the delay time of uum pumps continue running and the sys- ing not yet complet- <...
  • Page 100 ► Comply with the instructions for safe shipping. Decontamination subject to charge Pfeiffer Vacuum decontaminates products not clearly declared "Free of contamination" at your expense. Instructions for safe shipping ► Do not ship microbiological, explosive or radioactively contaminated products.
  • Page 101 – Fluoroelastomers (FKM) – Potentially contaminated components that come into contact with media 12.2 Dispose of a gas analysis system Pfeiffer Vacuum gas analysis systems contain materials that you must recycle. 1. Dismantle the housing parts. 2. Dismantle all individual components.
  • Page 102 We are always focused on perfecting our core competence – servicing of vacuum components. Once you have purchased a product from Pfeiffer Vacuum, our service is far from over. This is often exactly where service begins. Obviously, in proven Pfeiffer Vacuum quality.
  • Page 103 Service solutions by Pfeiffer Vacuum 5. Prepare the product for transport in accordance with the provisions in the contamination declaration. a) Neutralize the product with nitrogen or dry air. b) Seal all openings with blind flanges, so that they are airtight.
  • Page 104 Spare parts 14 Spare parts Ordering spare parts ► Have the part number to hand, along with other details from the rating plate as required. ► Install original spare parts only. Designation Order number Description/scope of delivery Gas inlet (OmniStar) PT 167 016 -T Flange insert with valves, screen 50 µm, 2 o-rings and gas guide, without stainless steel capillary...
  • Page 105 Special tool 15 Special tool Designation Order number Wrench for housing cover PV M40 813 (see chapter “Replace operating fluid reservoir on tur- bopump”, page 73) Tbl. 15: Special tool Fig. 68: Wrench PV M40 813 for housing cover of turbopump 105/114...
  • Page 106 Accessories 16 Accessories View the range of accessories for ThermoStar and OmniStar on our website. 16.1 Accessory information Capillary hose adapter The capillary hose adapter is used to reliably connect the capillary hose. Fig. 69: Capillary hose adapter 16.2 Ordering accessories Description Order number Capillary hose adapter PT 167 045 -T Tbl.
  • Page 107 Conversion table: Units for gas throughput 17.2 Technical data Classifica- OmniStar® OmniStar® OmniStar® OmniStar® OmniStar® OmniStar® tion ad- GSD 350 O1, GSD 350 O2, GSD 350 O3, GSD 350 O1C, GSD 350 O2C, GSD 350 O3C, vanced 1-100 u 1-200 u 1-300 u...
  • Page 108 Technical data and dimensions Classifica- OmniStar® OmniStar® OmniStar® OmniStar® OmniStar® OmniStar® tion ad- GSD 350 O1, GSD 350 O2, GSD 350 O3, GSD 350 O1C, GSD 350 O2C, GSD 350 O3C, vanced 1-100 u 1-200 u 1-300 u 1-100 u...
  • Page 109 Technical data and dimensions Classifica- OmniStar® OmniStar® OmniStar® OmniStar® OmniStar® OmniStar® tion ad- GSD 350 O1, GSD 350 O2, GSD 350 O3, GSD 350 O1C, GSD 350 O2C, GSD 350 O3C, vanced 1-100 u 1-200 u 1-300 u 1-100 u...
  • Page 110 Technical data and dimensions Classification ThermoStar® ThermoStar® ThermoStar® ThermoStar® ThermoStar® ThermoStar® advanced GSD 350 T1, GSD 350 T2, GSD 350 T3, GSD 350 T1C, GSD 350 T2C, GSD 350 T3C, 1–100 u 1–200 u 1–300 u 1–100 u 1–200 u 1–300 u...
  • Page 111 Technical data and dimensions Classification ThermoStar® ThermoStar® ThermoStar® ThermoStar® ThermoStar® ThermoStar® advanced GSD 350 T1, GSD 350 T2, GSD 350 T3, GSD 350 T1C, GSD 350 T2C, GSD 350 T3C, 1–100 u 1–200 u 1–300 u 1–100 u 1–200 u 1–300 u...
  • Page 112 The product GSD 350 OmniStar/ThermoStar - conforms to the UL standards UL 61010-1:2012 R4.16 Safety requirements for electrical equipment for measurement, control and laboratory use Part 1: General requirements UL 61010-2-010:2014 Safety requirements for electrical equipment for measurement, control and laboratory use...
  • Page 113 EN 55011:2016 + A1:2017 EN IEC 61000-3-2:2019 EN 61000-3-3:2013 The authorized representative for the compilation of technical documents is Mr. Tobias Stoll, Pfeiffer Vacuum GmbH, Berliner Straße 43, 35614 Asslar, Germany. Signature: Pfeiffer Vacuum GmbH Berliner Straße 43 35614 Asslar Germany (Daniel Sälzer)

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