Buchi Lyovapor L-200 Operation Manual
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Buchi Lyovapor L-200 Operation Manual

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Lyovapor™ L-200/L-200 Pro
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Summary of Contents for Buchi Lyovapor L-200

  • Page 1 Lyovapor™ L-200/L-200 Pro Operation Manual...
  • Page 2 CH-9230 Flawil 1 E-Mail: quality@buchi.com BUCHI reserves the right to make changes to the manual as deemed necessary in the light of experience, especially with respect to structure, illustrations and technical details. This manual is copyrighted. Information from it may neither be reproduced, distributed, or used for competitive purposes, nor made available to third parties.

  • Page 3: Table Of Contents

    Büchi Labortechnik AG Table of contents Contents About this document...................... 7 Connected devices ........................ 7 Warning notices in this document.................. 7 Symbols.......................... 7 1.3.1 Warning symbols ......................  7 1.3.2 Mandatory directive symbols .................. 8 1.3.3 Mark-ups and symbols .....................  8 Trademarks ........................... 8 Safety............................ 9 Proper use .......................... 9 Use other than that intended .................... 9 Staff qualification ........................ 9...
  • Page 4 Requirements for local network settings.............. 32 5.5.2 Preparing the instrument for app using .............. 33 5.5.3 Enabling BUCHI Cloud access................ 33 Insert SD card (Pro control panel only) ................ 33 Operating the control panel.................... 35 Layout of the control panel .................... 35 Function bar......................... 36...
  • Page 5 Büchi Labortechnik AG Table of contents Operating Pro control panel ..................... 45 Layout of Pro control panel.................... 45 Function bar......................... 45 Other symbols on the control panel.................. 47 Menu bar .......................... 47 7.4.1 Start menu ...................... 47 7.4.2 Favourites menu.....................  48 7.4.3 Method menu...................... 48 7.4.4 Configuration menu ....................
  • Page 6 Table of contents Büchi Labortechnik AG Cleaning and servicing ..................... 82 Regular maintenance work.................... 82 Performing a vacuum test.................... 83 Performing a leak test...................... 84 9.3.1 Performing a leak test with a drying chamber ............ 84 9.3.2 Performing leak test with a manifold drying rack ............  85 Help with faults ........................ 88 10.1 Troubleshooting........................ 88...

  • Page 7: About This Document

    If you have any questions after reading this operation manual: Contact BÜCHI Labortechnik AG Customer Service. https://www.buchi.com/contact Connected devices In addition to these operating instructions, follow the instructions and specifications in the documentation for the connected devices.

  • Page 8: Mandatory Directive Symbols

    Büchi Labortechnik AG 1 | About this document 1.3.2 Mandatory directive symbols Symbol Meaning Symbol Meaning Wear safety goggles Wear protective clothing Wear protective gloves Heavy load, do not lift with- out assistance 1.3.3 Mark-ups and symbols NOTE This symbol draws attention to useful and important information. R This character draws attention to a requirement that must be met before the instructions below are carried out.

  • Page 9: Safety

    Büchi Labortechnik AG Safety | 2 Safety Proper use The Lyovapor™ L-200 is used for freeze-drying solid materials in ampoules, vials, dishes, round-neck or wide-neck flasks and trays is exclusively intended for that purpose. The Lyovapor™ L-200 can be used in laboratories for the following tasks: —...

  • Page 10: Location Of Warning Signs On The Product (Front View)

    — Safety-related incidents that occur while using the instrument should be reported to the manufacturer (quality@buchi.com). BUCHI service technicians Service technicians authorized by BUCHI have attended special training courses and are authorized by BÜCHI Labortechnik AG to carry out special servicing and repair measures.

  • Page 11: Damage To The Ice Condenser

    Unauthorized modifications can affect safety and lead to accidents. Use only genuine BUCHI accessories, spare parts and consumables. Carry out technical changes only with prior written approval from BUCHI. Only allow changes to be made by BUCHI service technicians. Operation Manual Lyovapor™ L-200/L-200 Pro...
  • Page 12 Büchi Labortechnik AG 2 | Safety BUCHI accepts no liability for damage, faults and malfunctions resulting from unauthorized modifications. 12/100 Operation Manual Lyovapor™ L-200/L-200 Pro...

  • Page 13: Product Description

    Büchi Labortechnik AG Product description | 3 Product description Description of function The Lyovapor™ is a freeze-dryer in which frozen samples can be gently dried. The basis of freeze-drying is sublimation. Sublimation refers to the process whereby a substance transforms directly from the solid to the gaseous state. The physical process of sublimation can be explained using the solvent water as an example.

  • Page 14: Secondary-Drying Phase

    Büchi Labortechnik AG 3 | Product description If using a drying chamber with heatable shelves, heat transfer takes place by direct contact. The temperature of the heatable shelves is controllable. Control of the thermal energy transferred is then possible. Controlling the heat transfer prevents the following critical temperatures for amorphous and crystalline materials to be reached: —...

  • Page 15: Configuration

    Büchi Labortechnik AG Product description | 3 Configuration 3.2.1 Front view Fig. 2: Front view Lyovapor™ L-200 Connections for heated shelves Ice condenser (Lyovapor™ L-200 Pro only) (48 V, max. 2 A) Ventilation slots On/Off master switch User interface Operation Manual Lyovapor™ L-200/L-200 Pro 15/100...

  • Page 16: Rear View

    Büchi Labortechnik AG 3 | Product description 3.2.2 Rear view Fig. 3: Rear view[Lyovapor L-200] Connections on the rear side Drain hose for condensate (See Chapter 3.2.3 "Connections on the rear side", page 17) Ventilation slots 16/100 Operation Manual Lyovapor™ L-200/L-200 Pro...

  • Page 17: Connections On The Rear Side

    Büchi Labortechnik AG Product description | 3 3.2.3 Connections on the rear side Fig. 4: Connections on rear panel Vacuum pump connection Vacuum connection Type plate Refrigerant details Main valve connection Pressure regulating valve connection (24 V, ≤ 0.4 A) (24 V, ≤ 0.4 A) Aeration valve connection Spare (24 V, ≤...

  • Page 18: Control Panel

    Büchi Labortechnik AG 3 | Product description 3.2.4 Control panel Fig. 5: Control panel View Function buttons Navigation control 3.2.5 Pro control panel Fig. 6: Pro control panel Touch-screen display Navigation control Type plate The type plate identifies the instrument. The type plate is located on the rear of the instrument.

  • Page 19: Scope Of Delivery

    Büchi Labortechnik AG Product description | 3 Buchi Operations India Private Limited 394230 Surat / India Type xxxxxxxx Volt xxx-xxx Freq Power xxxx Built 20xx Designed by BUCHI in Switzerland Made in India Fig. 7: Type plate Company name and address...

  • Page 20: Ambient Conditions

    Büchi Labortechnik AG 3 | Product description Specification L-200 for 50 Hz L-200 for 60 Hz Power consumption 1'200 W 1'200 W (rated) Power consumption 1'800 W 1'800 W (maximum) 10 A/250 V 10 A/250 V Frequency 50 Hz 60 Hz Overvoltage category Protection rating IP20...

  • Page 21: Materials

    Büchi Labortechnik AG Product description | 3 Storage temperature max. 45°C 3.6.3 Materials NOTE Further information on chemical resistance. See "List of chemical resistances Lyovapor™" Component Materials Lyovapor™ housing Steel 1.4301/304 with powder coating Vacuum chamber and components Steel 1.4301/304 Main connector PE-UHMW 1000 Drying chamber tube and cover...

  • Page 22: Transport And Storage

    Büchi Labortechnik AG 4 | Transport and storage Transport and storage Transport NOTICE Risk of breakage due to incorrect transportation Make sure that the instrument is fully dismantled. Pack every instrument components properly to prevent breakage. Use the original packaging whenever possible. Avoid sharp movements during transit.
  • Page 23 Büchi Labortechnik AG Transport and storage | 4 Fig. 8: Lifting the instrument Instrument Feet Equipment trolley Castor brakes on trolley Precondition: R Make sure that the castor brakes on the equipment trolley are locked on. Lift the instrument – this requires four persons each lifting at one of the points indicated on the front and rear of the instrument.

  • Page 24: Installation

    Büchi Labortechnik AG 5 | Installation Installation Installation site NOTICE Instrument damaged if switched on too early. After transporting, wait twelve hours before switching on the instrument. The fluid in the cooling system requires twelve hours to collect in the refrigerant compressor. The installation site must meet the following requirements: —...

  • Page 25: Putting The Instrument In Operation

    Establishing electrical connections NOTICE Risk of instrument damage because of not suitable power supply cables. Not suitable power supply cables can cause bad performance or an instrument damage Use only BUCHI power supply cables. Operation Manual Lyovapor™ L-200/L-200 Pro 25/100...

  • Page 26: Fitting The Advanced Vacuum Control Unit

    Büchi Labortechnik AG 5 | Installation Precondition: R The electrical installation is as specified on the type plate. R The electrical installation is equipped with a proper grounding system. R The electrical installation is equipped with suitable fuses and electrical safety features. R The installation site is as specified in the technical date.

  • Page 27: Manual Switch On The Main Valve

    Büchi Labortechnik AG Installation | 5 Fit the pressure-regulating valve onto the 90° elbow. Fit the assembled advance vacuum control unit onto the instrument. Plug the aeration valve connector into the socket marked Aeration Valve. Plug the pressure-regulating valve connector into the socket marked Regulation valve.
  • Page 28 Büchi Labortechnik AG 5 | Installation Fig. 10: Manual switch on main valve Main valve Manual switch on main valve Manual switch positions Manual switch Meaning position Precondition: R Pressure-regulating valve and venting valve are connected. The vacuum is regulated by the pressure-regulating valve and venting valve.

  • Page 29: Connecting The Inert Gas (Optional Feature)

    Büchi Labortechnik AG Installation | 5 5.3.5 Connecting the inert gas (optional feature) Precondition: R Make sure that the pressure of the inert gas matches the technical specifications. See Chapter 3.6 "Technical data", page 19 Fit the inert gas tube onto the gas connection on the pressure regulating valve.

  • Page 30: Fitting The Drain Valve Strainer

    Büchi Labortechnik AG 5 | Installation Fig. 12: Fitting alternative pressure sensor Connection, ISO-KF 16 External pressure sensor connection Switch the On/Off master switch to Off. Remove the blanking cap from the connection (1). Connect the pressure sensor to the connection (1). Plug the pressure sensor connecting lead into the socket marked External Vacuum Sensor (2).

  • Page 31: Commissioning The Vacuum Pump

    Büchi Labortechnik AG Installation | 5 NOTICE Contamination of the device Escaping condensate can contaminate the instrument. Fit the condensate drain hose with a downward slope. Make sure that the drain hose is not immersed in the condensate. Seal the condensate drain hose with the end plug as soon as cleaning of the instrument is completed.

  • Page 32: Establishing Lan Connection

    Büchi Labortechnik AG 5 | Installation NOTICE Open gas ballast valve. A closed gas ballast valve when using solvents can cause damage to the instrument. Open the gas ballast valve. NOTE To increase the service life of the vacuum pump, operate the vacuum pump with an open gas ballast valve.

  • Page 33: Preparing The Instrument For App Using

    Büchi Labortechnik AG Installation | 5 In order to use the BUCHI Cloud a DNS server must be configured on the instrument. NOTE If there is no DNS server available enter the IP address for the BUCHI Cloud connection manually.
  • Page 34 Büchi Labortechnik AG 5 | Installation Fold the control panel forward. Insert the SD card on the underside. Switch on the instrument. ð The status bar shows the SD card symbol. The following data is stored on the SD card: —...

  • Page 35: Operating The Control Panel

    Büchi Labortechnik AG Operating the control panel | 6 Operating the control panel This section describes the operation of the instrument using the control panel. CAUTION Risk of injury from glass splinters Sharp objects can damage the display. Keep sharp objects away from the display. NOTICE Unnecessary operation hours can affect the lifetime of the instrument.

  • Page 36: Function Bar

    Büchi Labortechnik AG 6 | Operating the control panel Function bar The function bar shows available functions according to the current operation. The functions on the function bar are executed by tapping the relevant function buttons or pressing the navigation control. General function buttons Symbol Description...

  • Page 37: Start Menu

    Büchi Labortechnik AG Operating the control panel | 6 Menu Meaning Submenu/Action symbol [Favourites] menu — Bookmarks for individual entry points — Process settings [Configuration] menu — Settings — Servicing — Service — System information [Messages] menu — Notifications — Journal 6.3.1 Start menu On the [Start] menu, parameters can be set manually.
  • Page 38 Action Option Explanation [Mobile connection View The control panel shows a password password] for entry in the BUCHI Monitor app. [Mobile connection View The control unit shows a QR code for QR code] reading by the BUCHI Monitor app. [Language]...
  • Page 39 Büchi Labortechnik AG Operating the control panel | 6 Submenu Maintenance The submenu [Maintenance] contains tests for maintaining the instrument. Action Option Explanation [Vacuum test] Perform vacuum test See Chapter 9.2 "Performing a vac- uum test", page 83 [Leak test] Perform leak test See Chapter 9.3.1 "Performing a leak test with a drying chamber", page 84...

  • Page 40: Messages Menu

    Büchi Labortechnik AG 6 | Operating the control panel Action Option Explanation [Control panel] View The following information on the control panel is available: — Serial number — Firmware version — Operating hours — Status — Board Temperature — 24V power supply —...

  • Page 41: Status Bar

    Büchi Labortechnik AG Operating the control panel | 6 Logbook: — List of the last 100 messages. — Every occurrence is shown with date and time. The following status types are possible: Symbol Description Meaning Acknowledged The message has been be processed and acknowledged.

  • Page 42: Carrying Out Freeze-Drying

    The instrument is restarting after a temporary power failure (< 15 min). Symbols on the status bar Symbol Status The instrument is connected to the BUCHI Cloud. The instrument is defrosting. The instrument is starting up. The instrument is in energy-saving mode. Before the freeze-drying process: Load the top-mount drying rack with a frozen sample.

  • Page 43: Starting Freeze-Drying

    Büchi Labortechnik AG Operating the control panel | 6 Tap the function [Start conditioning] on the function bar. ð The temperature in the ice condenser decreases to operating temperature. ð The vacuum pump is brought up to operating temperature. ð After completion of the conditioning phase, the status bar shows the status Unload / Load.

  • Page 44: Ending Freeze-Drying

    Büchi Labortechnik AG 6 | Operating the control panel 6.5.4 Ending freeze-drying Navigation path ➔ Start Precondition: R The sample is dry. Navigate to the [Start] menu via the navigation path. Tap the function [Aerate] on the function bar. Answer YES to the confirmation question. ð...

  • Page 45: Operating Pro Control Panel

    Büchi Labortechnik AG Operating Pro control panel | 7 Operating Pro control panel This section describes the operation of the instrument using the Pro control panel. CAUTION Risk of injury from glass splinters Sharp objects can damage the display. Keep sharp objects away from the display. NOTICE Unnecessary operation hours can affect the lifetime of the instrument.
  • Page 46 Büchi Labortechnik AG 7 | Operating Pro control panel The functions on the function bar are executed by tapping the relevant function buttons or pressing the navigation control. General function buttons Symbol Description Meaning [Back] The display reverts to the previous view.

  • Page 47: Other Symbols On The Control Panel

    Büchi Labortechnik AG Operating Pro control panel | 7 Symbol Description Meaning SKIP [[Skip]] Skips the current process. DELETE [Delete] Deletes the selected entry. COPY [Copy] Copies the selected method. Other symbols on the control panel Symbol Description Meaning [Closed] The assigned method is active and cannot be changed.

  • Page 48: Favourites Menu

    Büchi Labortechnik AG 7 | Operating Pro control panel Press the navigation control. ð The setting is saved. ð The control panel highlights the new setting in green. Setting parameters using the touch-screen Select the parameter by tapping the control panel screen. ð...
  • Page 49 Action Option Explanation [Mobile connection View The control panel shows a password password] for entry in the BUCHI Monitor app. [Mobile connection View The control unit shows a QR code for QR code] reading by the BUCHI Monitor app. [Language]...
  • Page 50 Büchi Labortechnik AG 7 | Operating Pro control panel Submenu Maintenance The submenu [Maintenance] contains tests for maintaining the instrument. Action Option Explanation [Vacuum test] Perform vacuum test See Chapter 9.2 "Performing a vac- uum test", page 83 [Leak test] Perform leak test See Chapter 9.3.1 "Performing a leak test with a drying chamber", page 84...

  • Page 51: Messages Menu

    Büchi Labortechnik AG Operating Pro control panel | 7 Submenu System Information The submenu [System information] contains details of the connected devices and information on network connection diagnosis. Action Option Explanation [Control panel] View The following information on the control panel is available: —...

  • Page 52: Status Bar

    Büchi Labortechnik AG 7 | Operating Pro control panel Submenu Logbook The submenu [Logbook] shows the instrument's message history. Logbook: — List of the last 100 messages. — Every occurrence is shown with date and time. The following status types are possible: Symbol Description Meaning...
  • Page 53 The instrument is starting up. The instrument is in the course of a manual freeze-drying process. The instrument is connected to the BUCHI Cloud. Sample protection is active. Reason: the pressure is outside the pressure lim- its.

  • Page 54: Editing A Method

    Büchi Labortechnik AG 7 | Operating Pro control panel Symbol Status Sample protection is active. Reason: the pressure is outside the pressure lim- its. the temperature is outside the safe temperature range. Before the freeze-drying process: Load the top-mount drying rack with a frozen sample.

  • Page 55: Changing The Name Of A Method

    Büchi Labortechnik AG Operating Pro control panel | 7 7.6.2 Changing the name of a method Navigation path ➔ Method Navigate to the [Method] menu via the navigation path. Tap the name of the method that you wish to edit. ð...

  • Page 56: Setting The Shelf Loading Temperature

    Büchi Labortechnik AG 7 | Operating Pro control panel Enter the gas type. Tap the function [Save] on the function bar. ð The setting is saved. ð The dialog box closes. 7.6.5 Setting the shelf loading temperature Navigation path ➔ Method Navigate to the [Method] menu via the navigation path.

  • Page 57: Setting The Phases Of A Method

    Büchi Labortechnik AG Operating Pro control panel | 7 Setting Option Meaning [Shelf temperature] Enter value Set the temperature of the heat- able shelves in one step. [Pressure zone] Regulated/Minimum Regulated: the settings for pres- sure and pressure limits are ap- plied.
  • Page 58 Büchi Labortechnik AG 7 | Operating Pro control panel Navigation path ➔ Method Navigate to the [Method] menu via the navigation path. Tap the name of the method that you wish to edit. ð The control panel highlights the selected method in green. Tap the action [Phase].
  • Page 59 Büchi Labortechnik AG Operating Pro control panel | 7 Phase Setting Option Meaning [Secondary [Pressure ac- None/Sample None: no action is carried out. drying] tion] protection/ Sample protection: if the pressure is Message too high, heating of the shelves is paused.

  • Page 60: Deleting A Method

    Büchi Labortechnik AG 7 | Operating Pro control panel Tap the function [Save] on the function bar. ð The setting is changed. Deleting a method Navigation path ➔ Method Navigate to the [Method] menu via the navigation path. Tap the name of the method that you wish to edit. ð...

  • Page 61: Pressure Difference Test (Optional Feature)

    Büchi Labortechnik AG Operating Pro control panel | 7 7.8.2 Pressure difference test (optional feature) NOTE The pressure difference test can only be carried out with a pressure difference test kit. See Chapter 12.1.1 "Accessories", page 94 The pressure difference test establishes the difference between the readings from two pressure sensors in the drying chamber.

  • Page 62: Temperature Difference Test

    Büchi Labortechnik AG 7 | Operating Pro control panel Setting Option Explanation [Pressure differ- Enter value Specifies the difference between ence limit] the two sensor readings below which the end point is reached. The threshold must be greater than the offset value from the vacuum test.

  • Page 63: Determining Offset Value

    Büchi Labortechnik AG Operating Pro control panel | 7 Tap the action [Phase]. ð The control panel shows the action Phase. Tap the setting [End point definition]. ð The control panel shows the setting End point definition. Tap [Temperature difference test]. ð...

  • Page 64: Performing Freeze-Drying Using A Method [Pro Control Panel]

    Büchi Labortechnik AG 7 | Operating Pro control panel Performing freeze-drying using a method [Pro control panel] 7.9.1 Preparing the instrument Time approx. 30min quired: NOTE To minimize the condensation of moisture from the air in the condenser, place a drying rack.

  • Page 65: Changing Parameters While The Process Is Running

    Büchi Labortechnik AG Operating Pro control panel | 7 If a gas is being used Precondition: R The instrument has been prepared. R A method is selected. Fit a top-mount drying rack. See Chapter 8 "Operating top-mount drying racks", page 69. Load the top-mount drying rack with frozen samples. Navigate to the [Start] menu via the navigation path.

  • Page 66: Shutting Down The Instrument

    Büchi Labortechnik AG 7 | Operating Pro control panel Answer YES to the confirmation question. ð The system is vented. ð The status bar shows the status Aerating. Wait until the status bar shows the status Unload / Load. Remove the dried preparation from the top-mount drying rack. 7.9.6 Shutting down the instrument Time...

  • Page 67: 7.10.2 Editing Parameters While The Process Is Running

    Büchi Labortechnik AG Operating Pro control panel | 7 Navigation path ➔ Start Navigate to the [Start] menu via the navigation path. Tap the function [Start conditioning] on the function bar. ð The temperature in the ice condenser decreases to operating temperature. ð...

  • Page 68: 7.10.5 Switching Off The Instrument

    Büchi Labortechnik AG 7 | Operating Pro control panel NOTICE Do not use force to remove the ice from the ice condenser. Navigation path ➔ Start Precondition: R The freeze-drying process has ended. Position the condensate drain hose so that the condensate can be drained off. See Chapter 5.3.9 "Preparing the condensate drain hose", page 30 Navigate to the [Start] menu via the navigation path.

  • Page 69: Operating Top-Mount Drying Racks

    Büchi Labortechnik AG Operating top-mount drying racks | 8 Operating top-mount drying racks Operating stoppering acrylic drying chamber Make sure that the groove above the ice condenser is clean, free of dust and not scratched. Check the 300 mm dia. O-ring for damage. Place the 300 mm dia.
  • Page 70 Büchi Labortechnik AG 8 | Operating top-mount drying racks Align the slots for the shelves. Tighten the fixing screws. Place the rack on the intermediate plate. Slide the shelves into the rack. Press the plug onto the shelf connection and turn the ring counterclockwise at the same time.
  • Page 71 Büchi Labortechnik AG Operating top-mount drying racks | 8 Locate the cylinder in the groove above the main plate. Check the O-ring for damage. Screw the hand wheel upwards until the plate inside the lid has pressed the hooks all the way Place the O-ring into the groove of the cover.

  • Page 72: Operating Manifold Acrylic Drying Chamber (Heatable Shelves)

    Büchi Labortechnik AG 8 | Operating top-mount drying racks Operating manifold acrylic drying chamber (heatable shelves) Make sure that the groove above the ice condenser is clean, free of dust and not scratched. Check the 300 mm dia. O-ring for damage. Place the 300 mm dia.
  • Page 73 Büchi Labortechnik AG Operating top-mount drying racks | 8 Place the rack on the intermediate plate. Slide the shelves into the rack. Press the plug onto the shelf connection and turn the ring counterclockwise at the same time. (option) Turn the temperature sensor electrical connector so that the marks on the connector and the heatable shelf are parallel Press the temperature sensor electrical...

  • Page 74: Operating Manifold Acrylic Drying Chamber (Non-Heatable Shelf)

    Büchi Labortechnik AG 8 | Operating top-mount drying racks Fit manifold valve onto the connection on the top-mount drying rack. Check the O-ring for damage. Place the O-ring into the groove of the cover. Place the manifold cover on the cylinder. Carry out freeze-drying.
  • Page 75 Büchi Labortechnik AG Operating top-mount drying racks | 8 Place the intermediate plate on the ice condenser. Place the rack on the intermediate plate. Locate the cylinder in the groove above the main plate. Fit manifold valve onto the connection on the top-mount drying rack.

  • Page 76: Operating Acrylic Drying Chamber (Heatable Shelf)

    Büchi Labortechnik AG 8 | Operating top-mount drying racks Check the O-ring for damage. Place the O-ring into the groove of the cover. Place the manifold cover on the cylinder. Carry out freeze-drying. Operating acrylic drying chamber (heatable shelf) Make sure that the groove above the ice condenser is clean, free of dust and not scratched.
  • Page 77 Büchi Labortechnik AG Operating top-mount drying racks | 8 Loosen all fixing screws. Align the slots for the shelves. Tighten the fixing screws. Place the rack on the intermediate plate. Slide the shelves into the rack. Operation Manual Lyovapor™ L-200/L-200 Pro 77/100...
  • Page 78 Büchi Labortechnik AG 8 | Operating top-mount drying racks Press the plug onto the shelf connection and turn the ring counterclockwise at the same time. (option) Turn the temperature sensor electrical connector so that the marks on the connector and the heatable shelf are parallel Press the temperature sensor electrical connector onto the connection.

  • Page 79: Operating Acrylic Drying Chamber (On-Heatable Shelf)

    Büchi Labortechnik AG Operating top-mount drying racks | 8 Operating acrylic drying chamber (on-heatable shelf) Make sure that the groove above the ice condenser is clean, free of dust and not scratched. Check the 300 mm dia. O-ring for damage. Place the 300 mm dia. O-ring in the groove above the ice condenser.

  • Page 80: Operating Manifold Drying Rack

    Büchi Labortechnik AG 8 | Operating top-mount drying racks Check the O-ring for damage. Place the O-ring into the groove of the cover. Place the cover on the cylinder. Carry out freeze-drying. Operating manifold drying rack Make sure that the groove above the ice condenser is clean, free of dust and not scratched.

  • Page 81: Operating Manifold Valves

    Büchi Labortechnik AG Operating top-mount drying racks | 8 Place the seal on the connection. Fit the manifold drying rack onto the seal and fix it with the clamp. Carry out freeze-drying. Operating manifold valves The lever on a manifold valve can be set to the following positions: Position Function A: Lever pointing up...

  • Page 82: Cleaning And Servicing

    NOTE Users may only carry out the servicing and cleaning operations described in this section. Any servicing and repair work which involves opening up the casing may only be carried out by BUCHI service technicians. Regular maintenance work Component Action...

  • Page 83: Performing A Vacuum Test

    Büchi Labortechnik AG Cleaning and servicing | 9 Component Action Interval Draining valve Remove the strainer. Weekly Fill ice condenser with water. Open the drain valve manually. Loosen deposits from drain valve using compressed air. Heat exchanger Remove dust and foreign objects from Monthly the ventilation slots using compressed air or a vacuum cleaner.

  • Page 84: Performing A Leak Test

    Büchi Labortechnik AG 9 | Cleaning and servicing Possible cause Action O-rings damaged Check O-rings and replace if necessary. Groove of O-rings dirty Wipe groove of O-rings with a damp cloth. KF clamps not closed Close the KF clamps. KF seals dirty Wipe down the KF seals with a damp cloth.

  • Page 85: Performing Leak Test With A Manifold Drying Rack

    Büchi Labortechnik AG Cleaning and servicing | 9 36.46L 43.41L Acrylic drying chamber Acrylic drying chamber (with 4 drying shelves) (with 6 drying shelves) Tap the function [Start] on the function bar. ð The leak test starts. ð The status bar shows the status Leak Test. ð...
  • Page 86 Büchi Labortechnik AG 9 | Cleaning and servicing On the [Ice Condenser] line, enter a required setting for the vacuum. On the [Shelf temperature] line enter the required shelf temperature. On the [Test scope] line select the component to be tested. On the [Drying shelf heating] line switch the drying shelf heating on or off.
  • Page 87 Büchi Labortechnik AG Cleaning and servicing | 9 Possible cause Action Leaking manifold valves Replace leaking manifold valve. (only if manifold drying rack installed) Locate leaking manifold valve. See Chap- ter 10.3 "Locating leaking manifold valve", page 89 Operation Manual Lyovapor™ L-200/L-200 Pro 87/100...

  • Page 88: Help With Faults

    Büchi Labortechnik AG 10 | Help with faults Help with faults 10.1 Troubleshooting Problem Possible cause Action Compressor fails to No power supply to compres- Check the power supply and start or switches off switch on the device. Compressor overheated Allow the compressor to cool down.

  • Page 89: Locating Leaking Manifold Valve

    Büchi Labortechnik AG Help with faults | 10 Malfunction Possible cause Remedy Vacuum is not Vacuum system is leaking. Clean the drain valve. achieved Check manifold valve. See Chapter 10.3 "Locating leaking manifold valve", page 89 Check regulating valve and aeration valve. See Chapter 10.4 "Finding a leaking regulating valve or aeration valve", page 89...

  • Page 90: Error Messages

    Büchi Labortechnik AG 10 | Help with faults Precondition: R The instrument has been prepared. Remove regulating or aeration valve. Seal the opening with KF16 cover. Fit a top-mount drying rack. See Chapter 8 "Operating top-mount drying racks", page 69. Navigate to the [Start] menu via the navigation path. Tap the function [Manual] on the function bar.
  • Page 91 Büchi Labortechnik AG Help with faults | 10 Error message Possible cause Solution 5041 Only Pro instrument. Resolve any leakages. Choose lower shelf set The actual pressure in ice temperature. condenser is above defined safety pressure during a method run. 5072 Short circuit at vacuum sen- Disconnect vacuum sensor 1-2.
  • Page 92 5570 Heatable shelf is discon- Connect a functioning shelf at nected. the same connector position. Contact BUCHI Customer Defective component (e.g. Service. heating coil, cable, plug) 5571 Sample temperature sensor Connect a functioning PT-1000 is disconnected.

  • Page 93: Taking Out Of Service And Disposal

    Dispose of the appliance properly, if necessary using a professional disposal service. When disposing of equipment observe the local regulations and statutory requirements regarding waste disposal. 11.2 Returning the instrument Before returning the instrument, contact the BÜCHI Labortechnik AG Service Department. https://www.buchi.com/contact Operation Manual Lyovapor™ L-200/L-200 Pro 93/100...

  • Page 94: Appendix

    Appendix 12.1 Spare parts and accessories Use only genuine BUCHI consumables and spare parts in order to ensure correct, safe and reliable operation of the system. NOTE Any modifications of spare parts or assemblies are only allowed with the prior written permission of BUCHI.

  • Page 95: 12.1.2 Further Accessories

    Büchi Labortechnik AG Appendix | 12 12.1.2 Further accessories Description Order no. Image Trolley L-200, stainless steel coated 11063692 SD-Card 1 GB 11064730 Connection cable, for vacuum pump 11064934 12.1.3 Spare parts Description Order no. Image User interface L-200 11063578 User interface L-200 Pro 11063579 O-Ring Ø...

  • Page 96: 12.1.4 Top-Mount Drying Rack Accessories

    Büchi Labortechnik AG 12 | Appendix Description Order no. Image Vacuum seal KF 16 11063455 Vacuum seal KF 25 11063457 Vacuum seal KF 40 11063659 Vacuum flange adapter, stainless steel, 11064870 KF 16 to KF 25 Blind flange KF 16 11064902 Blind flange KF 25 11063660...
  • Page 97 Büchi Labortechnik AG Appendix | 12 Order no. Image Drying chamber tube, PMMA, for 6 shelves 11065093 L 480 mm, Ø 300 mm Top cover, PMMA, without sealing 11062912 Ø 300 mm, H 50 mm Top cover manifold, PMMA, with 12 valves, with- 11065595 out sealing Ø...
  • Page 98 Büchi Labortechnik AG 12 | Appendix Order no. Image Baseplate, stainless steel, for manifold rack 11064953 Baseplate, PMMA, for manifold rack 11065733 Suction nipple 11065819 For manifold application to create vacuum in sample flasks Ampoule adapter for manifold 11065725 with 19 ampoule connections and cap adapter Manifold valve, EPDM/Silicone, with SJ 29/32 11062300 Flask beaker for manifold 100 mL...

  • Page 99: 12.1.5 Software

    Büchi Labortechnik AG Appendix | 12 Order no. Image Manifold flask adapter set, US joint size 11067333 with 6 adapters, incl. filter paper Filter round 20mm Set à 100pcs 11065801 Filter for manifold valve Filter round 47mm Set à 100pcs 11065731 Beaker flasks with volume above 600 mL Filter round 30mm Set à...
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