Setting Bath Temperature - Heidolph Hei-VAP Operating Manual

Operation
1. Select the entry „rotation" by turning the Select Knob Hei-GUIDE (6) and call up the
selected entry to be changed by pressing the Select Knob Hei-GUIDE (6) again.
2. Turn the Select Knob Hei-GUIDE (6) to set the desired rotation speed.
The rotation speed is readjusted synchronously as an active rotation.
3. Pressing it again confi rms the change. The entry is exited after 10 seconds in order to
rule out accidental adjustments.
4. Activate the Rotation start/stop (5) pushbutton to start the rotation.
The set speed appears on the screen.

Setting bath temperature


Possible temperature range:
▪ Water bath application 20°C - 100°C
▪ Oil bath application 20°C - 210°C
With a pre-set temperature above 75 °C to 80 °C we recommend oil or
Polyethylenglycol as heating bath fl uid.
Set "Oil" as medium if you work with Polyethylenglycol. Please follow
temperature specifi cation provided by manufacturer.
Danger/ Danger
Risk of explosion!/ Danger d'explosion !
Potential loss of life/ Danger de mort
➜ Only use > 285°C fi repoint oils./
Warning / Avertissement:
Risk of scalding! / Risque de brûlures !
If you operate your unit without a safety hood and at high heating bath
temperatures there is a risk of scalding./
En cas d'exploitation de l'unité sans capot de protection et à des
températures de chauffage élevées, il existe un risque de brûlures.
Please wear safety clothes (lab coat, gloves, safety glasses) every time
you are in near proximity to the unit during operation./
Portez des vêtements de protection (blouse de laboratoire, gants,
lunettes de protection) à chaque fois que vous vous trouvez à
proximité de l'unité lors de son exploitation.
Caution / Attention:
Potential damage of unit / Dommages potentiels sur l'unité
The heating starts quickly and if empty, the heating bath can be stained./
La chaleur augmente rapidement et si le bain chauffant est vide, il peut
être taché.
Switch on heating only when heating bath is fi lled suffi ciently with fl uid./
Allumer le chauffage uniquement lorsque le bain chauffant est
suffi samment rempli de liquide.
The range can be set from 10 - 280 [rpm] in 1 [rpm] increments.
100 [rpm] are set as default when shipping from the factory.
N'utiliser que des huiles avec un point éclair >285°C.
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