Memmert VO200 Operating Instructions Manual
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Memmert VO200 Operating Instructions Manual

Vacuum drying oven, pump module
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VO

Operating Instructions

Tu
Sa
Su
Mo
We
Th
Fr
on
t1
off
t3
STERI
4
t2
t4
3
loop
2
1
PRINT
SETUP
set
push
card
on
off
VO
Vacuum Drying Oven
VO200 / VO400 / VO500
Pump Module
PM200 / PM400 / PM500
DEFRO
IN 1
°C
°C
MAX
MIN
AUTO
page 1
IN 2
OUT
IN 1
IN 2
OUT
rh
CO
%
2
mb
mb
PERFECT

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Summary of Contents for Memmert VO200

  • Page 1: Operating Instructions

    Vacuum Drying Oven VO200 / VO400 / VO500 Pump Module PM200 / PM400 / PM500 Operating Instructions STERI DEFRO IN 1 IN 2 IN 1 IN 2 °C °C loop AUTO PRINT SETUP push card page 1 PERFECT...

  • Page 2: Table Of Contents

    Vacuum pump purge valve ..........................13 Demand-controlled vacuum pump shut-down ....................13 Loading and Inertgas ..............................14 Guidelines for evaporating liquids in Memmert-vacuum ovens..................15 Controls and indications ............................. 16 Operating the door ..............................16 Switching on ................................16 Setting the temperature .............................
  • Page 3 Temperature monitor and protection devices ......................32 23.1 Mechanical temperature monitor: temperature limiter (TB) ................32 23.2 Electronic temperature monitor ........................33 23.2.1 Overtemperature protection ........................ 33 23.2.2 Undertemperature protection ......................33 23.2.3 Adjustable temperature monitor (TWW) Protection Class 3.1 to DIN 12 880 ........... 34 23.2.4 Adjustable temperature limiter (TWB) Protection Class 2 to DIN 12 880 ............

  • Page 4: General Notes And Safety Notes

    Door seal: Silicone rubber The load for the vacuum drying oven must be carefully evaluated for its chemical compatibility with the above materials. A table listing about the compatibility of all these materials can be requested from MEMMERT. PERFECT page 4...

  • Page 5: Transport

    Please note that the Memmert ovens described here are not explosionproof (they do not conform to the Industrial Association Specification VBG 24) and are therefore not suitable for drying, evaporating and burning-in of paints, enamels or similar materials whose solvents may produce an inflammable mixture with air.

  • Page 6: Technical Data

    Technical data Model Chamber width A [mm] Chamber height B [mm] Chamber depth C [mm] Oven width D [mm] Oven height E [mm] Oven depth F [mm] Width G [mm] Height H [mm] Depth I [mm] Chamber volume [litre] Weight [kg] Power [W] 1200 2000...

  • Page 7: Standard Equipment Of Vo-Ovens

    Serial RS-232C interface for computer-supported temperature programmes and for reading the internal report memory • MEMMERT software “Celsius 2005“ for remote operation of oven via a PC and for reading the report memory inside the controller • A pre-formatted blank MEMoryCardXL with 32 kB storage capacity, reprogrammable for up to 40 ramp segments and additionally 270 hours report memory at 1 minute intervals •...

  • Page 8: Electrical Equipment

    Controller protected by a 100 mA fuse (200 mA on 115 V) • When connecting a MEMMERT oven to the electrical supply you have to observe any local regulations which apply (e.g. in Germany DIN VDE 0100 with FI protection circuit) This product is intended to operate on a supply network with a system impedance Zmax at the transfer point (building connection) of 0.292 Ohm max.

  • Page 9: Installation Facilities (Accessories)

    8 cm. Generally it is essential to have adequate air ventilation around the oven. Information on accessories will be found in our leaflet or on our internet page www.memmert.com. Please note the installation instructions for our accessories. 4.1 Subframe Oven models 200 to 500 can be mounted on a subframe (accessory) 4.2 Stackable version...

  • Page 10: Oven Construction And Connections

    Oven construction and connections PERFECT page 10...
  • Page 11 Computer connection, serial communication interface Printer connection, parallel printer interface Air/gas connection IN1 Air/gas connection IN2 Vacuum connection OUT Norprene connecting tube vacuum pump to vacuum unit Vacuum pump connection, pump module Control connection for vacuum pump purge Mains power connection pump module Connecting line pump purge Control connection pump purge Mains power connection vacuum unit...

  • Page 12: Starting Up

    Starting up Connect the vacuum connection (5) to the vacuum pump connection (6) of the pump module or to a suitable external vacuum pump, using the Neoprene connection tubing (7) supplied with the pump module. When using a pump module, the connections for the pump purge (8+11) must be linked together using the cable (10) supplied with the equipment.

  • Page 13: Switching Output For External Vacuum Pump Purge Valve And Pump Control

    Switching output for external vacuum pump purge valve and pump control The 3-way switched output serves to control the vacuum pump of the optional pump module (PM) of the vacuum oven (VO). 7.1 Vacuum pump purge valve When loads with a high moisture content are being dried there is a possibility during prolonged operation that the pump output decreases through condensate forming in the pump heads.

  • Page 14: Loading And Inertgas

    Loading and Inertgas • The load must only be placed on the thermotrays. • Slide in the thermotrays up to the stop. • Do not dry or heat any load which releases fumes developing an inflammable mixture in combination with air. •...

  • Page 15: Guidelines For Evaporating Liquids In Memmert-Vacuum Ovens

    Guidelines for evaporating liquids in Memmert-vacuum ovens. • Do not heat liquids in closed vessels. • In order to prevent condensation in the working space, heat liquids using a drying programme (with venting cycles). • In order to prevent excessive condensation in the working space, working temperature and venting cycles should be chosen to suit the moisture content of the load.

  • Page 16: Controls And Indications

    10. Controls and indications time thermotrays alarm indication display operating mode temperature pressure display indication display IN 1 STERI DEFRO IN 1 IN 2 IN 2 °C °C loop AUTO PRINT SETUP push card text display push/turn control monitor temperature (main switch) indication SET key...

  • Page 17: Quick Venting Function

    14. Quick venting function The quick venting function is used in unloading and loading the vacuum oven without having to alter the selected vacuum setpoint: Rotate control anticlockwise and select OPENDOOR in the menu. For rapid venting of the vacuum oven, press SET key. The vacuum oven is vented automatically to atmosphere so that the door can be opened.

  • Page 18: Selecting The Operating Mode

    16. Selecting the operating mode PRINT SETUP Normal Weekly Programme Printer Basic settings operation programmer operation After holding down the SET key (approx. 3 sec), the current operating mode flashes on the display. A different operating mode can be selected with the push/turn control while the SET key is being held down. After the SET key has been released the controller operates in the new operating mode.

  • Page 19: Normal Operation

    18. Normal operation PRINT SETUP In this operating mode the oven operates continuously. The settings for operating the oven can be selected. The settings act directly on the operation of the oven. STERI DEFRO IN 1 IN 2 °C °C AUTO By rotating the push/turn control the following parameters can be selected and can be altered as described in the...

  • Page 20: Setting Example "Normal Operation

    Setting example “Normal operation“ The oven (VO500) has to heat up to 180°C and be evacuated to 50 mbar.The monitoring function has to operate at 200°C. Temperatur Druck in ˚C in mb 180˚C Zeit Zeit 1. Select operating mode “Normal operation“ PRINT SETUP After holding down the SET key (approx.

  • Page 21: Weekly Programmer

    19. Weekly programmer PRINT SETUP In this operating mode the weekly programmer is activated and the oven switches on and off automatically at the programmed times. While the weekly programmer is in the OFF phase the oven is in standby mode. Heating and fan are switched off, the controller display is dimmed and shows the clock time.

  • Page 22: Programming Example "Weekly Programmer

    Programming example “Weekly programmer“ The oven (UFP500) has to switch on at 07.30 hrs from Mo to Fr (workday group) and switch off at 18.00 hrs. In addition it has to operate on Saturday from 10.00 to 14.00 hrs. 1. Select operating mode “Weekly programmer“ PRINT SETUP After holding down the SET key (approx.

  • Page 23: Programme Operation

    20. Programme operation PRINT SETUP In this operating mode, up to 40 freely programmable temperature-time ramps can be set. Rotating the press/turn control while holding down the SET key selects the following parameters in sequence after released the SET key: - a new programme can be programmed or an existing programme can be edited EDIT...
  • Page 24 IN 1 IN 2 °C °C loop SETUP PRINT Duration of first ramp segment Range: 1 minute to 999 hours IN 1 IN 2 °C °C loop PRINT SETUP Setpoint temperature / temperature at the end of the ramp segment Range: 20°C to 200°C IN 1 IN 2...

  • Page 25: Closure Commands For Ramp Segments

    20.1 Closure commands for ramp segments NEXT Follow-on with next programme segment. SPWT (T) Wait until the setpoint temperature is reached. The oven only starts the next programme segment when the programmed setpoint temperature has been reached, even if the programmed heating SET-POINT WAIT time has already elapsed.

  • Page 26: Programming Example Programme Operation

    Programming example programme operation Das Gerät (VO500) soll am Montag um 8:00 Uhr auf 180°C heizen, und erst nach Erreichen der Temperatur auf 50mb evakuiert werden. Nach zweistündigem Halten von Druck und Temperatur soll innehalb von weiteren zwei Stunden der Druck auf 1050mB steigen und das Gerät auf 30°C abkühlen. 1.
  • Page 27 5. Select duration of first ramp segment Turn the push/turn control further clockwise until the time of the first ramp segment is flashing. Hold down the SET key and set the time 00:01 using the push/turn control. 6. Select temperature of first ramp segment Turn the push/turn control clockwise until the temperature display is ˚C flashing.
  • Page 28 14. Select temperature of third ramp segment Turn the push/turn control clockwise until the temperature display is ˚C flashing. Hold down the SET key and set the required temperature setpoint of 180°C using the push/turn control. 15. Setting the vacuum of third ramp segment Rotate push/turn control clockwise until the vacuum indication is flashing.

  • Page 29: Printer Print

    21. Printer PRINT PRINT SETUP All VO-ovens are fitted as standard with a parallel printer interface, as used on personal computers. This parallel printer interface on the back of the oven is suitable for connecting conventional PCL3- compatible ink jet and laser printers which are provided with a parallel printer interface (e.g. HP Deskjet 5550 or HP Deskjet 9xx).

  • Page 30: Setup

    22. Basic oven settings SETUP PRINT SETUP In this operating mode it is possible to make the basic settings of the oven. Clock time, date, day, year, and settings of sounder, of address assignment, monitoring units, heater power and calibration are set here. The following parameters can be selected by turning the push/turn control, and altered as described in the Section „Setting the parameters“:...

  • Page 31: Real-Time Clock

    Temperature monitor function Adjustable temperature monitor (TWW) Protection Class 3.1 to DIN 12 880 Adjustable temperature limiter (TWB) Protection Class 2 to DIN 12 880 (see Section: „Temperature monitor”) Language Settings: GERMAN, English, franCEAIS, ESPANOL and italIANO Vent connection select IN1 or IN2 Settings: IN1 or IN2 e.g.

  • Page 32: Temperature Monitor And Protection Devices

    23. Temperature monitor and protection devices Die Überwachungstemperatur wird über die PT100-Tempratursensoren in den Heizblechen gemessen. Die Überwachungseinheit dient zum Schutz des Beschickungsgutes und als Geräte- und Umgebungsschutz. The oven is provided with duplicate overtemperature protection (mechanical / electronic) according to DIN 12 880. visual alarm symbol Audible alight:...

  • Page 33: Electronic Temperature Monitor

    23.2 Electronic temperature monitor Using the push/turn control 23.2.1 Overtemperature protection select the symbol °C Range: up to 10°C max above nominal Symbol anwählen. temperature (for nominal temperature see Hold down the SET key and label) set the protection temperature using the push/turn control.

  • Page 34: Adjustable Temperature Monitor (Tww) Protection Class 3.1 To Din 12 880

    The manually set monitor temperature and the electronic overtemperature protection are monitored on VO-ovens by an adjustable temperature monitor (TWW) Protection Class 3.1 to DIN 12 880, or by an adjustable temperature limiter (TWB) Protection Class 2 to DIN 12 880. The choice of temperature monitor is selected in SETUP (see the menu item Tolerance margin ASF in Section “Basic oven settings”) 23.2.3 Adjustable temperature monitor (TWW) Protection Class 3.1 to DIN 12 880...

  • Page 35: Automatic Temperature Monitor (Asf) Auto

    23.2.5 Automatic temperature monitor (ASF) AUTO A monitoring device which automatically follows the selected temperature setpoint. The tolerance margin of the ASF is set in SETUP (see the menu item Tolerance margin ASF in the Section „Basic oven settings SETUP“). Automatic temperature monitor Using the push/turn control select the AUTO symbol.
  • Page 36 Going outside tolerance margin = ASF alarm Going outside the selected tolerance margin of the setpoint (in the example 150°C +/-10°C), for example through opening the oven door during operation, triggers the alarm. Triggering the ASF alarm is indicated by flashing -symbol.
  • Page 37 Setpoint changed = ASF de-activated automatically If the temperature setpoint is altered, the automatic temperature monitor is automatically de-activated temporarily (see in the example the setpoint is changed from 150°C to 75°C) until the tolerance margin of the new temperature setpoint is reached (see in the example below: the ASF is re-activated at 75°C +/- 10°C).

  • Page 38: Calibration

    24. Calibration 24.1 Calibration-temperature User-calibration of oven and controller, with three calibration temperatures selected by the user. CAL1 temperature calibration at low temperature CAL2 temperature calibration at medium temperature CAL3 temperature calibration at high temperature Either a positive or a negative calibration correction can be applied to each selected calibration point. General calibration instructions: Select the required calibration temperature in SETUP and set the corresponding calibration correction to 0.0°C.
  • Page 39 Note: If all calibration corrections are set to 0.0°C the factory calibration is restored. Calibration point 1 Calibration temperature Calibration correction Range down to 10°C below Range –9.9°C to +9.9°C CAL2 ˚C ˚C Calibration point 2 Calibration temperature Calibration correction Range 10°C above CAL1 to Range –9.9°C to +9.9°C 10°C below CAL3...

  • Page 40: Calibration-Pressure (Vacuum)

    24.2 Calibration-pressure (vacuum) User-calibration of the oven on the controller at three user-selected vacuum values: CAL1 pressure calibration at low vacuum pressure CAL2 pressure calibration at medium vacuum pressure CAL3 pressure calibration at high vacuum pressure A positive or a negative calibration correction can be applied to each selected calibration point. General calibration instructions: Select the required calibration vacuum in SETUP and set the corresponding calibration correction to 0mb.
  • Page 41 Note: When all the calibration corrections are set to 0mb, the oven is restored to the factory calibration Calibration point 1 Vacuum calibration Calibration correction adjustment range: down to Range –10mB to +10mb 10 mbar below CAL2 Calibration point 2 Vacuum calibration Calibration correction adjustment range: 10 mbar...

  • Page 42: Communication Interface For The Pc

    25. Communication interface for the PC 25.1 Communication interface RS232C The oven is provided as standard with a serial communication interface RS232C according to DIN 12 9001. Using this interface it is possible to control the oven from the PC and to produce reports. This is done using the “Celsius 2005“...

  • Page 43: Bus Interface Rs485

    25.2 Bus interface RS485 When so ordered, the oven can be equipped at the factory with an RS485 interface instead of the RS232C interface. This permits networking of several ovens (up to 16) with a single PC using a common 2-wire circuit. The system is operated using the “Celsius 2005”...

  • Page 44: Report Memory

    26. Report memory The controller continuously records all relevant measurements, settings and error messages at 1-minute intervals. The internal report memory is arranged as a ring memory, i.e. the new data always overwrite the oldest report data. The report function can not be switched off but remains active at all times. The data are stored in the controller, protected against any manipulation.

  • Page 45: Memory Card: Memorycardxl

    27. Memory card: MEMoryCardXL A temperature programme with up to 40 ramps can be programmed on the MEMoryCardXL. Programming can take place directly on the controller or through the PC program “Celsius 2005”. For improved clarity it is recommended that extensive programmes are prepared graphically on the PC. Where a MEMoryCardXL is programmed, it can be read only on the same oven type for which it has been programmed.

  • Page 46: Documentation On Memory Card Memorycardxl

    Note: The programme remains stored on the Memory Card XL after the card has been removed from the unit. It can however be overwritten at any time by the PC using “Celsius 2005”. Details on programming the MEMoryCardXL with PC and Celsius 2005 can be found in the Celsius Operating Manual and in the Online Help.

  • Page 47: User-Idcard (Available As Optional Extra)

    28. USER-IDcard (available as optional extra) The USER-IDcard stores the serial number of the oven and a unique user number in encrypted format. The USER-IDcard therefore functions only in the oven with the corresponding serial number. Each log-on via the USER-IDcard is documented in the internal flash memory. If the USER-IDcard is inserted, the SETUP menu includes the additional item ID-LOCK.

  • Page 48: Cleaning

    Silicone grease, and to check that the hinge screws are tight. A well-closing door is essential on an oven. On Memmert ovens, tight closure of the door is ensured by a seal on the oven and another one on the door. In continuous operation the flexible sealing material may take a permanent set.

  • Page 49: Door Seal

    31. Door seal The areas indicated should always be dusted with talcum powder. Talcum powder Talcum powder page 49 PERFECT...

  • Page 50: Error Messages

    In case there is a fault on the oven, please get in touch with an authorised service organisation or contact the Memmert customer service department. When dealing with the service department always quote the product serial number on the oven label.

  • Page 51: Ce Conformity Declaration

    34. CE Conformity Declaration EC Declaration of Conformity Manufacturer´s name and address: MEMMERT GmbH + Co. KG Äußere Rittersbacher Straße 38 D-91126 Schwabach Product: Vacuum-drying-oven Type: VO … Sizes: 200 / 400 / 500 Nominal voltage: AC 230 V 50 / 60Hz...

  • Page 52: Address And Customer Service

    Standard ovens (VO) are safety-approved and bear the test marks: 35. Address and customer service MEMMERT GmbH+Co.KG PO Box 17 20 91107 Schwabach Germany Phone: (+49) (0)9122 / 925-0 Fax:: (+49) (0)9122 /14585 E-mail: sales@memmert.com Internet: www.memmert.com Customer service: Phone: (+49) (0)9122 / 925-143 (+49) (0)9122 / 925-126 E-mail: service@memmert.com...

  • Page 53: Index

    36. Index indications 11 start-up 5 initial start-up 5 Steri card 40 accessories 9 installation facilities 9 steriliser cassettes 47 address 53 sterilisers 42 air supply 10 subframe 9 air valve 13 load, oven 5 air valve indication 11 LOOP 19 alarm indication 11 TB 26 alarm symbol 26, 28...
  • Page 54 Notes: PERFECT page 54...
  • Page 55 page 55 PERFECT...
  • Page 56 11.03.2005 VO englisch D09851 PERFECT page 56...

This manual is also suitable for:

Vo500Pm200Vo400Pm400Pm500

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