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UF V (E3) 10/2020 Page 39/119
5. Functional overview of the RD4 chamber controller
The RD4 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 or use the APT-
COM™ 4 Multi Management Software (option) specially developed by BINDER.
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 21: Normal display of the RD4 controller (sample values)
Status icons in the controller display
Icon
Signification
Icon
Signification
Refrigeration active
Display of activated special controller functions.
1 = CO2 emergency cooling activated
2 = Emergency cooling test activated
3 = Service setpoint active
Door open
Information
Collective alarm
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
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