Gerhardt Vapodest 20 User manual

Please read this instruction manual with care before you start operating the
system
Pleaseobservethesafetyinstructionsofthismanual,markedwith inorderto
avoidany dangerous handling!
Vap20
Orderno.: 7620
e5020/95 03.Jan.2006
InstructionManual
Vapodest 20

C. Gerhardt GmbH & Co. KG
2
VAPODEST20
Contents
Safety .......................................................................................... 3
Application as directed ................................................................ 3
Safety instructions ....................................................................... 3
1 Technical description........................................................ 4
Warranty conditions..................................................................... 4
Technical data ............................................................................. 4
Operating conditions................................................................... 5
2 Description of the system................................................. 6
Front view..................................................................................... 6
Rear view ..................................................................................... 8
3 Delivery............................................................................. 10
Check for transport damage ..................................................... 10
Parts list..................................................................................... 10
4 Assembly and installation................................................11
Setup ..........................................................................................11
Setting into operation ................................................................ 12
5 Programming the system............................................... 14
Keyboard ................................................................................... 14
Programming the Vapodest 20 ................................................. 17
On-line mode............................................................................. 19
6 Operation ......................................................................... 21
Safety instructions ..................................................................... 21
Priming the system ................................................................... 21
Test run ...................................................................................... 22
Distilling a sample .................................................................... 23
7 Error messages .............................................................. 24
8 Maintenance .................................................................... 26
Tubing diagram ......................................................................... 26
Spare parts and accessories.................................................... 28
Service and cleaning ................................................................. 30
Trouble shooting ....................................................................... 30
Disposal .................................................................................... 31

C. Gerhardt GmbH & Co. KG 3
Safety
Application as directed
Withthe Vapodest20 you havepurchased anautomaticdistillati-
on system for the steam distillation of Kjeldahl digestions and
associated distillations. Automatic NaOH addition.
Safetyinstructions
Make sure that no liquid gets into contact with cable connections
or the interior of the electrical parts of the unit!
Danger of electrical shock!
For repairs on electrical, electronic or mechanical parts please
alwayscontactyour agent’s service. Dont’t dorepairs by yourself!
Alwaysswitch off the apparatusat themainsandpull out theplug
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!
The apparatus must not be exposed to aggressive vapours of
acids, alkalies or solvents.
The apparatus must be used according to this instruction manu-
al. It is not allowed to supply changes to the apparatus in order to
modify its application.
The instrument must be operated by a skilled or specially trained
staff!
SAFETY

C. Gerhardt GmbH & Co. KG
4
VAPODEST20
1 Technicaldescription
Warrantyconditions
The Vapodest 20 is manufactured following the high quality gui-
delines of DIN EN ISO 9001.
On the basis of the C. Gerhardt conditions of warranty our pro-
ducts are guaranteedfor1 year, aslongas the apparatus isused
in accordance with the instructions mentioned in this manual.
Please note that the semi-consumable parts are excluded from
warranty.
Technical data
Voltage: .................... 230V AC,50Hz
Wattage: ................... 1600W
Cooling water: .......... about 3 litre per distillation minute
Cooling water
pressure .................. > 0,5 bar
Pumpcapacity:
-Diaphragm pump ... about 15 ml/s with water
about 10 ml/s with NaOH
-Peristaltic pump ..... about 10 ml/s with water
Storetank: ................ anysize, recommended:KAN20
Microcontroller: ........ Single-chip MCU
Display: .................... 5 x 7 LED
Program: .................. 1
Interface: .................. RS 485
Dimensions: ............ 440 x 690 x 340 mm(W x H x D)
Weight: ..................... 25 kg
Baud-rate: ................ 9600
Data-bits:.................. 8
Parity: ....................... No
Startbit: .................... 1
Stopbit: .................... 1
Mode:........................ Semi-Duplex
User: ........................ Maximum 32
Connection:.............. D-Sub 9-pin acc. to DIN 41 652
Warranty
Distillation
System
Interface

C. Gerhardt GmbH & Co. KG 5
Pin-assignment:....... 1 – shield
........ 2 – N/C
........ 3–Bdriver-Out/receiver-In
........ 4 – N/C
........ 5 – GND
........ 6 – VCC
........ 7 – N/C
........ 8–Adriver-Out/receiver-In
........ 9 – N/C
Operating conditions
Vapodest distillation systems can be run under normal laborato-
ryconditions.
For the connection to the tap (cold water) a fixed connection with
1/2 inch thread is needed.
TECHNICALDESCRIPTION
Pin-assignment

C. Gerhardt GmbH & Co. KG
6
VAPODEST20
2 Descriptionofthesystem
Frontview
Structuralcomponentsand parts:
1.... Quickclamping device withwedge
2.... Kjeldathermdigestion tube, 250/100mlor flask,
500/750ml, with enlargedneckor KDD 400/800
3.... Holder for steam inlettubing
4.... PTFE-inlettubing, steam
5.... Viton-cone,macro or micro
6.... Clampingfor glassware
7.... Screw cap GL 18 with silicone seal
8.... PTFE-inlettubing, NaOH
9.... PP-distributorwith PP-threaded joint
10.... Distributionhead, glass
11.... Screw cap GL 32 with silicone seal
12.... Distillationcondenser
13.... Screwcap GL 14withplastic screw connection
14.... Display
15.... Keyboard,chemical-resistant
16.... Mainsswitch, green, illuminated
17.... Ventilationvalve
18.... Distillateoutlet tubing, silicone8/12 mm
19.... Erlenmeyerflask
20.... Platform
21.... Driptray
**.... Plexiglass protection door, top(notillustrated)
**.... Plexiglass protection door, bottom(notillustrated)
**.... New, plexiglass protection door,single(not illustrated)

C. Gerhardt GmbH & Co. KG 7
Fig.2.1:Front view Vapodest 20
DESCRIPTIONOFTHESYSTEM
S t e a m
N a O H
-
O n - l i n e R e s e t
P r o g R u n
+
T i m e
S t e p
V a p o d e s t
1 0
1
2
3
4
5
6
7
8
9
10
1211 13
16
17
18
19
20
21
14
15

C. Gerhardt GmbH & Co. KG
8
VAPODEST20
Rearview
Descriptionof the connections:
1.... Diaphragmpump for H
2
Osteam generator:
Connection pipe forPVC-tubing 4/7 mm
2.... Leveldetector:
Connectionsocket for diodeplug,3-pin
(level detector for set of tanks KAN 20)
3.... Mains cable with applianceplug
4.... Excesscurrent switch, 10A
Cutsoff in caseofexcessive current consumption
5.... RS485 interface
6.... Outletventilation tubing
7.... Excesspressure - steamoutlet
8.... Excesstemperature fuse
9.... Cooling water inlet withsieve:
Connectionthread3/4 inch for water inlettubing 10/17 mm
10.... Wateroutlet:
Connectionpipe for PVC-tubing 8/12mm
11.... Diaphragmpump for NaOH:
Connectionpipe for PVC-tubing 8/12mm

C. Gerhardt GmbH & Co. KG 9
A t t e n t i o n
B e f o r e o p e n i n g t h e a p p a r a t u s
p u l l o u t m a i n s p l u g !
E x c e s s t e m p e r a t u r e - s a f e t y d e v i c e
O v e r p r e s s u r e - s t e a m o u t l e t
P u m p f o r H
2
O
s t e a m g e n e r a t o r
o o l i n g w a t e r i n l e t
w i t h f i l t e r
W a t e r o u t l e t
L e v e l d e t e c t o r
P u m p f o r N a O H
1
0
M a i n s
11
Fig.2.2:Rear view Vapodest 20
DESCRIPTIONOFTHESYSTEM
4
5
6
2
3
1
7
8
9
10

C. Gerhardt GmbH & Co. KG
10
VAPODEST20
3 Delivery
Check for transport damage
Beforeassembling the instrumentpleasecheck if thecontentsof
the box is complete and intact!
Incase of anydamage, pleasenotify yourcarrier(post,rail, road)
andobtain an expert’sreport!
The exact contents of the delivery can be checked by the follo-
winglist.
Parts list
– Distillationsystem Vapodest 20, complete
– Tubingset:
1xWaterinlettube10/17mmwithconnectionsof1/2inchand
3/4 inch, 2m
1 x PVC tube 4/7 mm, 2 m
2 x PVC tube 8/12 mm, 2m
1 x PVC pipe 6 x 1 mm, 420 mm
1 x PVC pipe 10 x 1 mm, 420 mm
– 1 x Mains cable
– 1 x Kjeldatherm digestion tube 250 ml or 100 ml