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Vapodest 20
Instruction Manual
Please read this instruction manual with care before you start operating the
system
Please observe the safety instructions of this manual, marked with
in order to
avoid any dangerous handling!
Vap 20
Order no.: 7620
e5020/95
03.Jan.2006

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Summary of Contents for Gerhardt Vapodest 20

  • Page 1 Vapodest 20 Instruction Manual Please read this instruction manual with care before you start operating the system Please observe the safety instructions of this manual, marked with in order to avoid any dangerous handling! Vap 20 Order no.: 7620 e5020/95...
  • Page 2: Table Of Contents

    Assembly and installation ..........11 Setup ..................11 Setting into operation ..............12 Programming the system ..........14 Keyboard ................... 14 Programming the Vapodest 20 ..........17 On-line mode ................19 Operation ................. 21 Safety instructions ..............21 Priming the system ..............21 Test run ..................
  • Page 3: Safety

    Always switch off the apparatus at the mains and pull out the plug before opening! Danger of electrical shock! The Vapodest 20 must not be run in damp or hazardous location. The maximum humidity allowed is 80 %, the maximum ambient temperature must not exceed 40 °C!
  • Page 4: Technical Description

    Warranty delines of DIN EN ISO 9001. On the basis of the C. Gerhardt conditions of warranty our pro- ducts are guaranteed for 1 year, as long as the apparatus is used in accordance with the instructions mentioned in this manual.
  • Page 5: Operating Conditions

    ..9 – N/C Operating conditions Vapodest distillation systems can be run under normal laborato- ry conditions. For the connection to the tap (cold water) a fixed connection with 1/2 inch thread is needed. C. Gerhardt GmbH & Co. KG...
  • Page 6: Description Of The System

    19 ..Erlenmeyer flask 20 ..Platform 21 ..Drip tray ** ..Plexiglass protection door, top (not illustrated) ** ..Plexiglass protection door, bottom (not illustrated) ** ..New, plexiglass protection door, single (not illustrated) C. Gerhardt GmbH & Co. KG...
  • Page 7 O n - l i n e R e s e t N a O H S t e a m V a p o d e s t Fig.2.1: Front view Vapodest 20 C. Gerhardt GmbH & Co. KG...
  • Page 8: Rear View

    9 ..Cooling water inlet with sieve: Connection thread 3/4 inch for water inlet tubing 10/17 mm 10 ..Water outlet: Connection pipe for PVC-tubing 8/12 mm 11 ..Diaphragm pump for NaOH: Connection pipe for PVC-tubing 8/12 mm C. Gerhardt GmbH & Co. KG...
  • Page 9 W a t e r o u t l e t P u m p f o r N a O H Fig.2.2: Rear view Vapodest 20 C. Gerhardt GmbH & Co. KG...
  • Page 10: Delivery

    The exact contents of the delivery can be checked by the follo- wing list. Parts list – Distillation system Vapodest 20, complete – Tubing set: 1 x Water inlet tube 10/17mm with connections of 1/2 inch and 3/4 inch, 2m...
  • Page 11: Assembly And Installation

    Connect the water inlet tubing to a dedicated cold water tap. The water pressure must be at least 0,5 bar in order to operate the integrated pressure controller. The Vapodest 20 comes completely preassembled. Please un- pack the instrument with care! Place instrument on work bench Installation Unpack accessories.
  • Page 12: Setting Into Operation

    When using the set of tanks KAN 20: Press the key „+“ ((keep pressed), and switch on the instru- ment – When using other reservoirs: Press the key „-“ (keep pressed), and switch on the instru- ment C. Gerhardt GmbH & Co. KG...
  • Page 13 The steam generator is filled with water up to a preset level, which then causes the pump to switch off. Monitoring the status notice on the display: The Vapodest 20 is now ready for operation. C. Gerhardt GmbH & Co. KG...
  • Page 14: Programming The System

    VAPODEST 20 Programming the system Keyboard The Vapodest 20 can be programmed and controlled via the key- board of the control panel. Keyboard Display S t e p T i m e Entry keyboard P r o g R u n...
  • Page 15 „-“: Decreasing actual value to desired value Reset: Interruption of programming, return to start position Key On-line pressed: Control LED illuminated, RS 485 interface is activated Programming status NaOH: Control LED flashes Programming status distillation: control LED flashes C. Gerhardt GmbH & Co. KG...
  • Page 16 – Reset: Interruption of program and return to start position On-line key pressed: Control LED illuminated, RS 485 interface is activated Program step NaOH addition: Control LED illuminated Program step distillation: Control LED illuminated C. Gerhardt GmbH & Co. KG...
  • Page 17: Programming The Vapodest 20

    Programming the Vapodest 20 Each Vapodest undergoes a pre-delivery performance test in the quality assurance department before leaving C. Gerhardt. On arri- val the machine is supplied with the test program. If you wish to keep this program, please confirm the program steps with the „Prog“...
  • Page 18 VAPODEST 20 Programming the Distillation time Range: distillation system 0 to 999 s in second-mode 0 to 99,9 min in minute-mode Preset: Power Range: 40 to 100% Preset: 100% Prog. Start position C. Gerhardt GmbH & Co. KG...
  • Page 19: On-Line Mode

    – Determine the semi master by pressing the keys „+“ (keep pressed) and on-line (control LED flashes) By pressing this key-combination once more you can return to the simple on-line position (Control LED illuminated). C. Gerhardt GmbH & Co. KG...
  • Page 20 After the termination of the data transfer the programming mode automatically ends, and the display shows the start position: Further information about GerBus® and GerLab® can either be optained from C. Gerhardt GmbH & Co. KG or our appointed dealer! C. Gerhardt GmbH & Co. KG...
  • Page 21: Operation

    Close the protection door, and switch the distillation system Keep the key „NaOH“ pressed until the sodium hydroxide solution runs into the digestion tube. Lower the quick clamping device and remove the digestion tube. C. Gerhardt GmbH & Co. KG...
  • Page 22: Test Run

    VAPODEST 20 10. Remove the Erlenmeyer flask. The distillation system Vapodest 20 is now primed. Test run Each day before starting to distill samples you should do a distillation without sample. Don’t be disturbed by noises deriving from the approx. 106 °C hot steam being led into the digestion tube.
  • Page 23: Distilling A Sample

    If you wish to keep this program and distill further samples, plea- se press the key „Run“. If you wish to change the program, repro- gramme the system. If you have finished all distillations, switch the unit off. C. Gerhardt GmbH & Co. KG...
  • Page 24: Error Messages

    H Filling of the Display shows steam generator last step, flashes on stand by Sensor error Switch the (water level in system off and steam generator call service is no longer measured) C. Gerhardt GmbH & Co. KG...
  • Page 25 Check programming Wait for stand-by Message dis- appears as soon as stand-by is reached Excess steam Switch the pressure system off and call service Lack of Check set of chemicals tanks, Display flashes C. Gerhardt GmbH & Co. KG...
  • Page 26: Maintenance

    VAPODEST 20 Maintenance In case of necessary replacements, please make sure that only original C. Gerhardt spare parts are used! Tubing diagram The pumps and the valves of the instrument are marked with refe- rence numbers. Descriptions of the structural components (rear - interior of instru- ment): 1 ..
  • Page 27 L e v e l - d e t e c t o r NaOH H 2 O N a O H d i s t i l l e d distilled Fig.8.1: Tubing diagram C. Gerhardt GmbH & Co. KG...
  • Page 28: Spare Parts And Accessories

    Control PCB 11222 Excess current switch, 10 A 15378 Heating element 12354 Steam generator 40850 Excess pressure valve, steam generator 20604 Power PCB, 230 V 11223 Mains cable 1311 Magnetic valve with pressure control 17109 C. Gerhardt GmbH & Co. KG...
  • Page 29 Glass PP-distribution head 7475 Devarda VGD 7, top part Ventilation valve condenser (glass) 30244 Condenser, shortened 7676 PP-adaptor 40213 PP-distribution head distance piece 50025 Screw cap GL 32, open version 16604 Silicone seal GL 32 16607 C. Gerhardt GmbH & Co. KG...
  • Page 30: Service And Cleaning

    Switch on the excess current switch again. If this problem reoccurs, call service! In case of a breakdown or a failure of your distillation system Service Vapodest 20, please contact your local dealer or: C. Gerhardt GmbH & Co. KG Cäsariusstr. 97 53639 Königswinter E-Mail: info@Gerhardt.de...
  • Page 31: Disposal

    In Germany, this obligation for identification will be valid as of March, 23rd 2006. As of this date, C. Gerhardt will take back all instruments delivered after August, 13th, 2005 without charges and will dispose of them according to the regulations, or Ger- hardt will come to an agreement with the last user of the unit.

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