Binder APT.line VD - Inert Gas Connection; Start up; Settings at the RD3 Program Controller

VD (E2.1) 10/2011 page 22/83
4.4 Inert gas connection
When operating the VD vacuum drying oven with inert gas, correctly follow the technical ventilation
measures, as described in the guideline BGI/GUV-I 850-0 on safe working in laboratories (formerly
BGR/GUV-R 120 or ZH 1/119 laboratory guidelines issued by the employers’ liability insurance
association) (for Germany).
Connect the inert gas supply to the inert gas connection (adapter with hose olive diameter 8 mm / 0.31 in)
via a pressure reducer. Screw the enclosed adapter with hose olive on the thread (12) at the unit rear.
Set the pressure reducer to a pressure slightly above ambient pressure. Ensure that the pressure reducer
will certainly open. Do not alter this setting in order to avoid perturbation inside the oven and release of
big quantities of inert gas after flooding the VD.
WARNING
Release of inert gas.
Danger of poisoning.
 Ensure technical ventilation measures.
 When decommissioning the vacuum drying oven, shut off the inert gas valve (4) or (6).
5. Start up
After connecting the supply lines (chap 4), turn on the unit via the main power switch (1):
• Position 0: Oven without function
• Position I: Oven operating
Warming chambers may release odors in the first few days after commissioning. This is not a quality
defect. To reduce odors quickly we recommend heating up the chamber to its nominal
temperature for
one day and in a well ventilated location.
5.1 Settings at the RD3 program controller
After turning on the unit at the main power switch (1), the controller is in Normal Display / Fixed value
operation mode.
Depending on the temperature value entered before, LED (7a) is lit if the heating is active, or no LED is lit
if the actual temperature is equal to or above the set-point.
In Display 1 of the controller the actual temperature value is displayed.
• With inactive week program timer:
In Display 2 of the controller the actual date and time are displayed. Example:
15.05.06 13:52
• With active week program timer:
In Display 2 of the controller the actual date and time and the states of the week program timer
channels are displayed. Examples:
15.05.06 13:52 - - 15.05.06 13:52 -  15.05.06 13:52  - 15.05.06 13:52  
Channel 1 Off,
Channel 2: Off
Channel 1: Off,
Channel 2: On
Channel 1: On,
Channel 2: Off
Channel 1 On,
Channel 2: On