Fixed Value Entry Mode - Binder vdl 23 Operating Manual

Vacuum drying ovens for flammable solvents
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6.

Fixed value entry mode

Solvents and resulting vapors can ignite at excessive drying temperatures.
Excess drying temperature.
Ignition and explosion hazard.
 Determine the maximum drying temperature in relation to the ignition temperature of
the solvent according to the information panel "Temperature setting" (chap. 2.5). Do
NOT exceed this temperature when presetting the set point on the RD3 temperature
controller.
 In case of solvent mixtures, use the ignition temperature of the material with the lowest
ignition temperature.
 Before starting the drying process, set the temperature safety device (chap. 12) to the
maximum permitted drying temperature according to the information panel "Tempera-
ture setting" (chap. 2.5).
 Start the drying process. The heating is only released when a vacuum of
125 ± 25 mbar / 3.69 ± 0.74 inHg) or below is reached.
If you do not want to use the week program timer, deactivate it (factory setting, setting in the
user level, chap. 10) before entering any set-points.
Basic entry principle: Access the individual parameters with button X/W. Enter the value with the arrow
keys. A value flashing once after 2 seconds indicates that it has been applied by the controller.
Display 1 shows
Display 2 shows
e.g. 15.05.06 13:52 - -
Display 1 shows
Display 2 shows SP1 TEMPERATURE
Enter temperature set-point in °C using
Display 1 shows
Display 2 shows SP2 TEMPERATURE
Enter temperature set-point in °C using ar-
If no button is pressed within more than 120 sec, or if the "EXIT" button is pressed, the controller changes
to Normal Display.
VDL (E2.1) 05/2016
Normal Display
C
e.g. 39.8
(actual switching state of week program timer channel 1: Off,
channel 2: Off, visible only if week program timer is activated
Press key
C
e.g. 40.0
arrow keys
Press key
C
e.g. 50.0
row keys
Press key
DANGER
(actual temperature value)
(actual date and time)
in the user level, chap. 10)
(actual temperature set-point 1)
(variable: temperature in °C)
Value is shown in display 1.
(actual temperature set-point 2)
(visible only if week program timer is activated
in the user level, chap. 10)
(variable: temperature in °C)
Value is shown in display 1.
page 39/108

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