Christ Alpha 1-2 LDplus Operating Manual
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Christ Alpha 1-2 LDplus Operating Manual

Freeze-dryer
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Translation of the original operating manual
sb-dc
Rev. 2.10 of 09/03/2020
Alpha 1-2 LDplus; ;
Version 11/2006
Alpha 1-2 LDplus
part no. 101521, 101470
Freeze-dryer
Operating Manual
Please retain for later use!

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  • Page 1 Translation of the original operating manual sb-dc Rev. 2.10 of 09/03/2020 Alpha 1-2 LDplus; ; Version 11/2006 Alpha 1-2 LDplus part no. 101521, 101470 Freeze-dryer Operating Manual Please retain for later use!
  • Page 2 Freeze-dryer Alpha 1-2 LDplus Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 2 / 94 Translation of the original operating manual...
  • Page 3 Freeze-dryer Alpha 1-2 LDplus In case of inquiries, please state the following numbers: Order number: Serial number: © Copyright by Martin Christ Gefriertrocknungsanlagen GmbH An der Unteren Söse 50 37520 Osterode am Harz Germany Tel.: +49 (0) 5522 / 5007-0...
  • Page 4 Freeze-dryer Alpha 1-2 LDplus Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 4 / 94 Translation of the original operating manual...

  • Page 5: Table Of Contents

    Freeze-dryer Alpha 1-2 LDplus Table of contents General information ......................9 Importance of the operating manual .................. 9 Intended use ........................9 Warranty and liability....................... 11 Copyright ........................12 Explanation of symbols ....................12 Standards and regulations ....................12 Scope of supply ......................12 Layout and mode of operation ..................
  • Page 6 Freeze-dryer Alpha 1-2 LDplus Table of contents Safety devices ........................ 29 3.8.1 System check ......................29 3.8.2 Earth conductor check ....................29 Procedures in the event of hazards and accidents ............30 3.10 Maintenance and cleaning of the freeze-dryer ..............30 3.11...
  • Page 7 Freeze-dryer Alpha 1-2 LDplus Table of contents Malfunctions and error correction ..................57 General malfunctions ...................... 57 7.1.1 Power failure ......................57 7.1.2 Insufficient vacuum ....................57 7.1.2.1 Small flange connections ................... 57 7.1.2.2 Aeration and media drain valve ................58 7.1.2.3...
  • Page 8 Freeze-dryer Alpha 1-2 LDplus Table of contents Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 8 / 94 Translation of the original operating manual...

  • Page 9: General Information

    Freeze-dryer Alpha 1-2 LDplus 1 General information → General information → Importance of the operating manual A fundamental requirement for the safe and trouble-free operation of the unit is to be familiar with the fundamental safety instructions and all possible hazards.
  • Page 10 Other- wise, there is a risk of damage to property and personal injury. Consultation of Martin Christ Gefriertrocknungsanlagen GmbH is absolutely mandatory in order to define the measures that need to be taken! Version 11/2006, Rev.

  • Page 11: Warranty And Liability

    Freeze-dryer Alpha 1-2 LDplus 1 General information Any other use beyond this area of application is regarded as improper use. Martin Christ Gefriertrocknungsanlagen GmbH cannot be held liable for any damage resulting from such improper use. The intended use also includes: •...

  • Page 12: Copyright

    Freeze-dryer Alpha 1-2 LDplus 1 General information → Copyright The copyright concerning the operating manual remains with Martin Christ Gefriertrocknungsanlagen GmbH. The operating manual is solely intended for the operator and their personnel. It includes instructions and information that may not be •...

  • Page 13: Layout And Mode Of Operation

    Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation → Layout and mode of operation → Layout of the freeze-dryer → 2.1.1 Functional and operating elements Ice condenser chamber with an internal ice condenser Aeration and media drain valve Fig.
  • Page 14 Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation User interface (see chapter 6.5.1 - "User interface") Mains power switch Fig. 3: Front and right side of the freeze-dryer Power supply of the pressure control valve Name plate (see chapter 2.1.2 - "Name...

  • Page 15: Name Plate

    Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation → 2.1.2 Name plate Serial number Type Refrigerant data of the 1 stage Nominal voltage Year of manufacture (month/year) Part number Rated current / apparent power Fig. 5: Example of a name plate Version 11/2006, Rev.

  • Page 16: Mode Of Operation

    Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation → Mode of operation → 2.2.1 General information on freeze-drying What is freeze-drying? Freeze-drying or lyophilisation is a procedure for the gentle drying of high- quality products. The product is dried by → sublimation without passing through the liquid phase.
  • Page 17 Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation Fig. 6: Vapour pressure curve for ice and water From a physical point of view, the freeze-drying process covers three phases (see figure below): (1) Freezing: The product to be dried is frozen under atmospheric pressure.

  • Page 18: Freeze-Drying Process

    Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation Fig. 7: Freeze-drying phases Please find further information about basic principles, optimum procedures and applications in the brochure "Smart freeze-drying", which can be downloaded at www.martinchrist.de → [Applications] → [Lyophilisation].

  • Page 19: Freezing

    Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation → 2.2.2.2 Freezing First, the product that is to be dried is frozen. Especially in the case of small filling quantities, we recommend pre-cooling the shelves as well in order to prevent the product from thawing during the evacuation.

  • Page 20: End Of Drying And Aeration

    Freeze-dryer Alpha 1-2 LDplus 2 Layout and mode of operation condenser temperature in accordance with the vapour pressure curve for ice and water as well as on the final vacuum of the vacuum pump that is used. The process is supported by a higher shelf temperature.

  • Page 21: Safety

    Freeze-dryer Alpha 1-2 LDplus 3 Safety → Safety → Marking of the unit The following symbols are used for Christ freeze-dryers: Dangerous voltage On (Power) Hot surface Off (Power) Name plate (see chapter Caution! Risk of bruising 2.1.2 - "Name plate")

  • Page 22: Explanation Of The Symbols And Notes

    Freeze-dryer Alpha 1-2 LDplus 3 Safety → Explanation of the symbols and notes This operating manual uses the following names and symbols to indicate hazards: This symbol stands for a direct hazard to the life and health of persons. Non-observance of these symbols causes serious health problems up to life-endangering injuries.

  • Page 23: Responsibility Of The Operator

    Freeze-dryer Alpha 1-2 LDplus 3 Safety → Responsibility of the operator Operating personnel The operator is obliged to ensure that the persons working on/with the freeze-dryer • are 18 years old or older, • have been specifically ordered to do so by the operator/owner and that...

  • Page 24: Operating Personnel

    Freeze-dryer Alpha 1-2 LDplus 3 Safety • concerning the inspection of the freeze-dryer in view of damage caused by the solvent that is used (see chapter 1.2 - "Intended use", section "Freeze-drying of solvent-containing products"). → Operating personnel It must be ensured that persons operating the unit •...

  • Page 25: Hazards Caused By Improper Transport

    Freeze-dryer Alpha 1-2 LDplus 3 Safety 3.6.2 Hazards caused by improper transport Risk of injury caused by the uncontrolled movement of loads Units that are not properly fastened or secured may shift, or fall over. • Prior to transporting or setting-up the freeze-dryer, read the chapter 4 - "Storage and transport"...

  • Page 26: Hazards Caused By Improper Connection

    Freeze-dryer Alpha 1-2 LDplus 3 Safety 3.6.4 Hazards caused by improper connection Risk of injury caused by consequences of improper connection Improper connection may lead to a hazardous electrical incident at a later time during the operation of the freeze-dryer.

  • Page 27: Hazards Caused By The Refrigeration System (Natural, Flammable Refrigerants)

    Freeze-dryer Alpha 1-2 LDplus 3 Safety 3.7.2 Hazards caused by the refrigeration system (natural, flammable refrigerants) Risk of explosion due to refrigerants The refrigerants used are highly flammable and can form an explosive mixture if their concentration in the ambient air is sufficiently high.

  • Page 28: Hazards Caused By Harmful Products

    This may lead to severe injuries. DANGER Freeze-drying of products containing acids is only permissible if special protective measures and equipment-related precautions are taken! Consultation of Martin Christ Gefriertrocknungsanlagen GmbH is absolutely mandatory in order to define the measures that need to be taken! •...

  • Page 29: Hazards Caused By Contaminated Condensate (Defrosting Water)

    Freeze-dryer Alpha 1-2 LDplus 3 Safety 3.7.7 Hazards caused by contaminated condensate (defrosting water) Risk of poisoning/infection caused by contaminated condensate (defrosting water) The condensate may contain harmful substances originating from the product. WARNING Contact with the condensate may cause severe damage to health.

  • Page 30: Procedures In The Event Of Hazards And Accidents

    Freeze-dryer Alpha 1-2 LDplus 3 Safety → Procedures in the event of hazards and accidents Hazardous electrical incident: • Set the control switch to the "0" position in order to interrupt the power supply completely. Fire: • A fire in the electrical control system must be extinguished with a CO fire extinguisher! •...

  • Page 31: Measures To Be Taken To Ensure Safe Operation Of The Freeze-Dryer

    • Stop the freeze-dryer immediately in the event of a malfunction. Eliminate the malfunction (see chapter 7 - "Malfunctions and error correction") or contact the after-sales service of Firma Martin Christ Gefriertrocknungsanlagen GmbH (see chapter 7.3 - "Service contact"). •...

  • Page 32: Remaining Hazards

    → 3.12 Remaining hazards All Christ freeze-dryers were built state-of-the-art and according to the accepted safety rules. Danger to life and limb of the operator, or of third parties, or impairments of the units or other material assets, however, cannot be completely excluded when the units are being used.

  • Page 33: Storage And Transport

    Freeze-dryer Alpha 1-2 LDplus 4 Storage and transport → Storage and transport → Dimensions and weight Values for the freeze-dryer without a vacuum pump: Alpha 1-2 LDplus Height: 345 mm Width: 315 mm Depth (including vacuum connection): 460 mm Weight: approx.

  • Page 34: Notes On Transport

    Do not grab the unit at the plastic control panel (see figures below). correct incorrect Fig. 9: Lifting the freeze-dryer The freeze-dryer Alpha 1-2 LDplus weighs approx. 28 kg! CAUTION • When setting the unit down, ensure that the feet are upright (see figures below).

  • Page 35: Packaging

    • Lift the freeze-dryer upwards and out of the crate/cardboard box. When lifting the unit, always reach under the freeze-dryer from the side. The freeze-dryer Alpha 1-2 LDplus weighs approx. 28 kg! CAUTION • Retain the packaging for any possible future transport of the freeze- dryer.

  • Page 36: Set-Up And Connection

    Freeze-dryer Alpha 1-2 LDplus 5 Set-up and connection → Set-up and connection → Location of use Use the freeze-dryer solely in closed and dry spaces. Refrigeration problems of the freeze-dryer are often caused by insufficient conditions at the location of use. This is why compliance with the following...

  • Page 37: Power Supply

    The operating voltage on the name plate must correspond to the local supply voltage! DANGER Christ freeze-dryers are units of protection class I. Freeze-dryers of this type have a three-wire power cord with an IEC C13 connector (see chapter 10 - "Technical data").

  • Page 38: Aeration And Media Drain Valve

    Freeze-dryer Alpha 1-2 LDplus 5 Set-up and connection → Aeration and media drain valve The aeration and media drain valve is located on the left side of the unit (see chapter 2.1.1 - "Functional and operating elements"). After the end of a freeze-drying process, the unit will be aerated via the aeration valve.
  • Page 39 Freeze-dryer Alpha 1-2 LDplus 5 Set-up and connection It is absolutely essential to comply with the manufacturer’s instructions in the separate operating manual of the vacuum sensor! NOTE Thyracont VCP63 (Pirani) Pfeiffer CMR 363 (capacitive) Fig. 12: Vacuum sensors of different manufacturers The vacuum sensor comes supplied in a calibrated state.

  • Page 40: Vacuum Pump

    Freeze-dryer Alpha 1-2 LDplus 5 Set-up and connection Vak uumpumpe → 5.4.6 Vacuum pump It is absolutely essential to refer to the separate instruction manual of the vacuum pump and exhaust filter (if applicable)! NOTE The vacuum pump must be connected to the vacuum connection of the unit and to the electrical socket at the back of the unit, which is marked accordingly (see chapter 2.1.1 - "Functional and operating elements").

  • Page 41: Pressure Control Valve

    Freeze-dryer Alpha 1-2 LDplus 5 Set-up and connection → Pressure control valve The pressure control valve is integrated in the suction pipe between the vacuum pump and ice condenser chamber. During certain, specified process phases, it interrupts the volume flow to the vacuum pump (see chapter 2.2.1 - "General information on freeze-drying").

  • Page 42: Rubber Valves

    Freeze-dryer Alpha 1-2 LDplus 5 Set-up and connection → Rubber valves The rubber valves (part no. 121860) enable the connection of round-bottom flasks, wide-neck filter bottles, or distributors for ampoules to a manifold or drying chamber. Depending on the connector of the components, the blue plug can be removed.

  • Page 43: Operation

    Freeze-dryer Alpha 1-2 LDplus 6 Operation Operation Initial start-up Before the initial start-up, please ensure that your freeze-dryer is properly set up and installed (see chapter 5 - "Set-up and connection") WARNING → Installation of accessories The accessories must be completed in accordance with the drying method that is applied as well as in accordance with the scope of supply.

  • Page 44: Ldplus Control System

    Freeze-dryer Alpha 1-2 LDplus 6 Operation LDplus control system The control system LDplus ("Lyo Display plus") was specifically developed for the control of freeze-drying processes. The clear user interface enables the intuitive operation of the unit. Fig. 17: Start screen of the LDplus control system (example) 6.5.1...
  • Page 45 Freeze-dryer Alpha 1-2 LDplus 6 Operation Display (5) The main window of the display is divided into the value windows, an area indicating the current function of the function keys, and a status line. The main window displays all of the relevant process data, such as set and actual values, menus, and process information (see the illustration).
  • Page 46 Freeze-dryer Alpha 1-2 LDplus 6 Operation Status line (8) The status line at the bottom of the screen indicates the current operating state, active phase, and any pending information. The status line is visible at all times. 13 Symbol of the...

  • Page 47: Mode

    Freeze-dryer Alpha 1-2 LDplus 6 Operation 6.5.2 Mode The mode can be called up with the left function key if a value window is active. The individual phases can be selected as follows: • Press the left function key "mode". The menu "Start with phase..." will be displayed (see the illustration).
  • Page 48 Freeze-dryer Alpha 1-2 LDplus 6 Operation Warm-up vacuum pump Prior to a freeze-drying process, the vacuum pump usually needs to warm up in order to reach its operating temperature. For this purpose, the warm-up phase can be started. The desired duration can be preselected (see chapter 6.5.3.4 - "Options").

  • Page 49: Main Menu

    Freeze-dryer Alpha 1-2 LDplus 6 Operation → 6.5.3 Main menu The main menu can be selected from the main window by way of the right function key "menu". It includes the following submenus: • Change set values (see chapter 6.5.3.1 - "Changing set values") •...
  • Page 50 Freeze-dryer Alpha 1-2 LDplus 6 Operation Set values for the "freezing" phase Timer The timer is used to define the duration of the phase. Settings between one minute and 200 hours are possible. If, when starting at 00:00 h:m, the "down"...

  • Page 51: Special Functions

    Freeze-dryer Alpha 1-2 LDplus 6 Operation → 6.5.3.2 Special functions The freeze-dryer is equipped with one or several optional accessories. The components can be controlled by way of this function. • Select the "Special functions" function in the main menu.

  • Page 52: Process And Equipment Information

    Freeze-dryer Alpha 1-2 LDplus 6 Operation Option: Electrical lifting hoist The freeze-dryer can be retrofitted with an electrical lifting hoist that facilitates the attachment and removal of drying chambers. The freeze-dryer must be in the standby mode and completely aerated.

  • Page 53: Options

    Freeze-dryer Alpha 1-2 LDplus 6 Operation Regardless of the presence of a message, the menu can be activated at all times in order to view any messages that are present. • Select the "Process & equipment info" function in the main menu.
  • Page 54 Freeze-dryer Alpha 1-2 LDplus 6 Operation Selecting a language The LDplus control system can be used in various language versions. • Select the menu "Select language". • Select the desired language by way of the up/down keys. • Confirm the entry with the right function key "enter".

  • Page 55: Tutorial

    Freeze-dryer Alpha 1-2 LDplus 6 Operation Service menu Fig. 40: Service menu LDplus configuration Here, the following accessory components (options) can be configured: • Vacuum sensor • Vacuum control system • Installed options must be activated with "yes". • Options that are not installed must be deactivated with "no".

  • Page 56: Switching The Freeze-Dryer Off

    Freeze-dryer Alpha 1-2 LDplus 6 Operation → Switching the freeze-dryer OFF The freeze-dryer must be in the standby status. • Switch the freeze-dryer off by pressing the mains switch. Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 56 / 94...

  • Page 57: Malfunctions And Error Correction

    Freeze-dryer Alpha 1-2 LDplus 7 Malfunctions and error correction → Malfunctions and error correction Malfunctions are displayed in the dialogue box "Process & equipment messages" (see chapter 6.5.3.3 - "Process and equipment information"). An acoustic signal sounds when an error message is generated.

  • Page 58: Aeration And Media Drain Valve

    Freeze-dryer Alpha 1-2 LDplus 7 Malfunctions and error correction Fig. 42: Small flange and centring ring Fig. 43: Small flange with centring ring and small flange Fig. 44: Attaching the clamping ring Fig. 45: Tightened clamping ring → 7.1.2.2 Aeration and media drain valve A malfunction of the aeration and media drain valve may have several causes.

  • Page 59: Rubber Valves

    Freeze-dryer Alpha 1-2 LDplus 7 Malfunctions and error correction → 7.1.2.4 Rubber valves In order to identify a leaking rubber valve, the valves must be checked individually: • Remove the rubber valve and seal the connection at the drying chamber with a rubber stopper.

  • Page 60: Process And Equipment Messages

    Freeze-dryer Alpha 1-2 LDplus 7 Malfunctions and error correction → Process and equipment messages Error message Possible cause Remedy • • Vacuum 6.11 mbar not reached The aeration and media drain Clean the valve (see chapter valves are soiled. 8.1.3 - "Aeration valve, media The value of 6.11 mbar is not reached...

  • Page 61: Service Contact

    Freeze-dryer Alpha 1-2 LDplus 7 Malfunctions and error correction Error message Possible cause Remedy • • Ice condenser temperature > 20°C Insufficient cooling. Observe the behaviour of the refrigeration system. If The ice condenser temperature rises to necessary, inform the service a non-permissible value during the department (see chapter 7.3 -...

  • Page 62: Maintenance And Service

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service → Maintenance and service The freeze-dryer and the accessories are subject to high mechanical and chemical stress. Thorough maintenance performed by the user extends the service life and prevents premature failure. If corrosion or other damage occurs due to improper care, the manufacturer cannot be held liable or subject to any warranty claims.

  • Page 63: Ice Condenser Chamber

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service Cleaning of the freeze-dryer • Switch the freeze-dryer off by actuating the mains power switch and disconnect the power cord from the wall outlet before cleaning. • If the freeze-dryer has been contaminated with toxic, radioactive, or...

  • Page 64: Aeration Valve, Media Drain Valve

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service → 8.1.3 Aeration valve, media drain valve Contaminants such as product residues may lead to an insufficient vacuum. In this case, the aeration valve and the media drain valve must be cleaned.

  • Page 65: Heat Exchanger (Only For Air-Cooled Freeze-Dryers)

    • Check the heat exchanger at least once per month for soiling and clean it if necessary. • Please contact the Christ service department if you have any queries (see chapter 7.3 - "Service contact"). 8.1.5 Electrical system Danger of life caused by electric shock There is a risk of electric shock when touching current-carrying components.

  • Page 66: Exhaust Filter (Oil Mist Separator)

    The other oil changes depend on the operating conditions. In general, an interval of 500 to 1,000 operating hours is sufficient. • Please contact the Christ service department if you have any queries (see chapter 7.3 - "Service contact"). →...

  • Page 67: Refrigeration System

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service 8.1.8 Refrigeration system Risk of explosion due to refrigerants (natural, flammable refrigerants) The natural refrigerants used are highly flammable and can form an explosive mixture if their concentration in the ambient air is sufficiently DANGER high.

  • Page 68: 8.1.10 Accessories

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service Capacitive vacuum sensors Measurement drift due to long-term use, soiling or sudden aeration may occur. • Capacitive vacuum sensors must be adjusted at least once per year. Depending on the actual conditions of use, shorter adjustment intervals may be necessary.

  • Page 69: Disinfection Of The Drying Chamber And Accessories

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service → Disinfection of the drying chamber and accessories If dangerous materials (e.g. infectious and pathogenic substances) are used, the freeze-dryer and accessories must be disinfected. DANGER  • Use commercially-available disinfectants such as, for example, Incidur ...

  • Page 70: Service

    Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service Service In the event of service work that requires the removal of the panels, there is a risk of electric shock or mechanical injury. Only qualified specialist personnel is authorised to perform this service work.
  • Page 71 Freeze-dryer Alpha 1-2 LDplus 8 Maintenance and service 1. Declaration of decontamination As a certified company and due to the legal regulations for the protection of our employees and of the environment, we are obliged to certify the harmlessness of all incoming goods. For this purpose, we require a declaration of decontamination.

  • Page 72: Disposal

    Freeze-dryer Alpha 1-2 LDplus 9 Disposal → Disposal → Disposal of the freeze-dryer Martin Christ Gefriertrocknungsanlagen GmbH is a registered manufacturer of electric and electronic devices that are solely intended for commercial use. • Comply with all local rules and regulations. →...

  • Page 73: 10 Technical Data

    Freeze-dryer Alpha 1-2 LDplus 10 Technical data → 10 Technical data Manufacturer: Martin Christ Gefriertrocknungsanlagen GmbH An der Unteren Söse 50 37520 Osterode (Germany) Type: Alpha 1-2 LDplus Part number: 101521, 101470 Performance data Ice condenser - capacity: 2.5 kg max.

  • Page 74: Ambient Conditions

    Freeze-dryer Alpha 1-2 LDplus 10 Technical data Physical data (without vacuum pump and accessories) Dimensions - height: 345 mm - width: 315 mm - depth: 460 mm (incl. vacuum connection) Weight: approx. 28 kg Noise level 49 dB(A) according to DIN 45635:...

  • Page 75: 11 Appendix

    Freeze-dryer Alpha 1-2 LDplus 11 Appendix → 11 Appendix → 11.1 Brief operating instructions Functional and operating elements Ice condenser chamber with an internal ice condenser Aeration and media drain valve Fig. 47: Left side of the freeze-dryer Pipe connection of the...
  • Page 76 Freeze-dryer Alpha 1-2 LDplus 11 Appendix User interface Mains power switch Fig. 49: Front and right side of the freeze-dryer Power supply of the pressure control valve Name plate Power supply of the vacuum pump 10 Equipotential bonding screw 11 Mains connection...
  • Page 77 Freeze-dryer Alpha 1-2 LDplus 11 Appendix Step-by-step instructions – shelf drying 1 Freeze the sample separately, e.g. in a deep-freeze. Ensure that the layer thickness of 1 to 2 cm is not exceeded, since otherwise the drying time needs to be extended.
  • Page 78 Freeze-dryer Alpha 1-2 LDplus 11 Appendix 16 Switch the unit on again and start the defrosting process. Ensure that no water gets into the pipe connection of the vacuum pump or vacuum sensor. CAUTION 17 Drain the defrosting water via the media drain valve on the left-hand side of the unit.
  • Page 79 Freeze-dryer Alpha 1-2 LDplus 11 Appendix 8 The end of the process is reached when the ice condenser is no longer loaded and when it again reaches a final temperature of approximately - 50°C to -54°C. The pressure decreases as a function of the ice condenser temperature.
  • Page 80 Freeze-dryer Alpha 1-2 LDplus 11 Appendix Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 80 / 94 Translation of the original operating manual...

  • Page 81: Ec Declaration Of Conformity In Accordance With The Ec Machinery Directive

    Freeze-dryer Alpha 1-2 LDplus 11 Appendix → 11.2 EC declaration of conformity in accordance with the EC Machinery Directive Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 81 / 94 Translation of the original operating manual...
  • Page 82 Freeze-dryer Alpha 1-2 LDplus 11 Appendix Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 82 / 94 Translation of the original operating manual...

  • Page 83: Declaration Of Conformity - China Rohs 2

    Freeze-dryer Alpha 1-2 LDplus 11 Appendix Declaration of conformity – China RoHS 2 11.3 Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 83 / 94 Translation of the original operating manual...
  • Page 84 Freeze-dryer Alpha 1-2 LDplus 11 Appendix Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 84 / 94 Translation of the original operating manual...

  • Page 85: Ec Declaration Of Conformity In Accordance With The Pressure Equipment Directive

    Freeze-dryer Alpha 1-2 LDplus 11 Appendix 11.4 EC declaration of conformity in accordance with the Pressure Equipment Directive Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 85 / 94 Translation of the original operating manual...
  • Page 86 Freeze-dryer Alpha 1-2 LDplus 11 Appendix Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 86 / 94 Translation of the original operating manual...

  • Page 87: Table Of The Sublimation Pressure Curve

    Freeze-dryer Alpha 1-2 LDplus 11 Appendix 11.5 Table of the sublimation pressure curve °C = mbar °C = mbar °C = mbar °C = mbar 37.79 6.57 0.57 0.025 35.64 6.11 0.52 0.024 33.60 5.62 0.47 0.021 31.66 5.17 0.42 0.018...
  • Page 88 Freeze-dryer Alpha 1-2 LDplus 11 Appendix Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 88 / 94 Translation of the original operating manual...

  • Page 89: 12 Glossary

    Freeze-dryer Alpha 1-2 LDplus 12 Glossary 12 Glossary Desorption Desorption (from Latin de-sorbere, sorbere = sup up, suck in) describes a phenomenon whereby molecules are released from the surface of a solid. In order to be able to desorb, the particle must have, or be provided with, a sufficient amount of energy in order to overcome the binding energy.
  • Page 90 Freeze-dryer Alpha 1-2 LDplus 12 Glossary Version 11/2006, Rev. 2.10 of 09/03/2020 • sb-dc 90 / 94 Translation of the original operating manual...

  • Page 91: 13 Index

    Freeze-dryer Alpha 1-2 LDplus Index 13 Index Connection of the vacuum sensor ....14 Connection requirements ......73 Aborting the warm-up phase ...... 48 Contaminated condensate (hazards) ..29 Accessories ......12, 31, 62, 68 Contaminated defrosting water (hazards) .. 29 Accident prevention ........
  • Page 92 Freeze-dryer Alpha 1-2 LDplus Index Electrical lifting hoist ........52 Hazards (products, harmful) ....... 28 Electrical system (maintenance) ....65 Hazards (refrigeration system) ....27 Electricity (hazards) ....... 26, 37, 65 Hazards (set-up) ........25 EMC according to EN 55011 ...... 74 Hazards (solvents) ........
  • Page 93 Freeze-dryer Alpha 1-2 LDplus Index Mains power switch ........14 Pending information ........46 Mains voltage ..........74 Performance data ........73 Maintenance ..........30 Physical data ..........74 Maintenance (electrical system) ....65 Potential hazard to the life and health ..22 Maintenance (general work) .......
  • Page 94 Freeze-dryer Alpha 1-2 LDplus Index Safety notes concerning set-up and System check ..........29 connection ..........24 Safety notes concerning the initial start-up . 24 Table of the sublimation pressure curve ..87 Safety notes concerning the operation ..26 Technical data ...........

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