vwr.com I Instruction manual VWR
®
ULT Freezer 352/528 Eco Premium 02/2022
Page 35/86
6. Functional overview of the chamber controller
The chamber controller controls the temperature inside the chamber:
You can enter the desired set point value in the “
Set points
” menu directly at the controller.
The controller offers various notifications and alarm messages with visual and audible indication. All con-
troller settings remain valid until the next manual change. They are stored also after turning off the chamber.
Status icons
Temperature value
Text information
Temperature
Figure 19: Normal display of the chamber controller (sample values)
Status icons in the controller display
Icon
Signification
Icon
Signification
Door open
Collective alarm
Do not open the door
Refrigeration active
Information
Display of activated special controller functions.
3 = Service setpoint active
Functional controller keys
Icon
Signification
Function
Arrow-up button
•
Navigate between menus, submenus, other functions
•
In the setting menu: change setting, increase value
Arrow-down button
•
Navigate between menus, submenus, other functions
•
In the setting menu: change setting, decrease value
OK button
•
Select menu, submenu, function
•
In the setting menu: Confirm entry
Back button
Back to previous menu level
Standby button
no function