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UF V (E3) 10/2020 Page 85/119
21.3.2 Activating the CO
2
emergency cooling
To prevent activating the CO
2
emergency cooling at too high temperature after turning on the
chamber, activation in the menu should take place only after reaching the temperature set-
point for the first time.
Required access level: “User”.
Path: Normal display Setpoints Functions on/off CO2 emer.cooling on/off
Press the OK button to enable the setting.
Setting function 1 “CO2 emer.cooling on/off”.
The current setting flashes. Use the arrow buttons to select between
0 (deactivated emergency cooling) and 1 (activated emergency cool-
ing).
Confirm the setting with the OK button.
CO2 emer.cooling on/o
With the Back button you can go back to the “Functions on/off” submenu and, repeatedly pressing it, to
Normal display.
Normal display with activated emergency cooling
Temperature
Normal display with running emergency cooling, showing the alarm
message “CO2 emergency cooling”
CO2 emergency cooling
The valve of the CO
2
gas cylinder must be open, otherwise pressure alarm will occur.
Inactivating the CO
2
emergency cooling
1. Inactivate the CO
2
emergency cooling at the controller.
2. Close the valve of the CO
2
gas cylinder.
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