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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...
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 ..................
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!
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.
..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...
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...
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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...
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...
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.
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...
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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...
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...
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„-“: 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...
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– 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...
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“...
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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...
– 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...
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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...
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...
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.
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...
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...
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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...
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 ..
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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...
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...
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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...
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...
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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