Freeze-dryer Alpha 1-4 LSCplus
Freeze-dryer Alpha 2-4 LSCplus
Version 01/2011, Rev. 2.3 of 03/07/2017 • sb
Translation of the original operating manual
Fig. 40: Dialog box "Network"
System properties (3)
This dialog box is used to change various system settings.
Fig. 41: Dialog box "System properties"
Beeper: The beeper sounds in the event of a malfunction, for example.
• If the setting is "On", the beeper sounds every few seconds until the
user acknowledges the message.
• If the setting is "Silent", the beeper sounds once when the malfunction
occurs.
• If the setting is "Off", the beeper will not sound at all.
Click on touch: If this function is active, a clicking sound can be heard
whenever the system registers that a button has been touched.
Behaviour of the pressure control valve in the case of insufficient ice
condenser cooling: If this function is active (button "closed"), the pressure
control valve will close at an ice condenser temperature of
≥ -20°C during the drying process in order to avoid damage to the vacuum
pump caused by the withdrawal of condensable gases. A corresponding
error message will be displayed. Pressing the button again deactivates the
function (button "controlled").
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