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CB-S / CB-S-UL (E7) 06/2020 page 40/119
7. Temperature and CO
2
set-point entry
Required access level: “User”.
Setting ranges Control ranges
Temperature 0 °C / 32 °F up to 50 °C / 122 °F 6 °C / 10.8 °F above ambient up to 50 °C / 122 °F
Humidity 0 vol.-% up to 20 vol.-% 0 vol.-% up to 20 vol.-%
7.1 Temperature set-point entry
Path: Normal display Setpoints Temperature
Press the OK button to enable the setting.
Temperature setting.
The current setting flashes. Enter the desired set-point with the arrow
buttons.
Confirm the entry with the OK button.
Temperature
With the arrow-down button you can continue with the CO
2
set-point entry (chap. 7.2).
With the Back button you can go back to the “Setpoints” submenu and, repeatedly pressing it, to Nor-
mal display.
When setting a lower temperature set point, in order to save time, we recommend cooling
down the chamber by turning it off and opening the chamber doors.
With safety controller mode “Limit”, adapt the safety controller always when you changed the
temperature set-point. Set the safety controller value by approx. 2 °C above the temperature
set-point (chap. 11.2).
Recommended setting: safety controller mode “Offset” with safety controller value 2 °C.
7.2 CO
2
set-point entry
Path: Normal display Setpoints CO2
Press the OK button to enable the setting.
CO
2
set-point setting
The current setting flashes. Enter the desired set-point with the arrow
buttons.
Confirm the entry with the OK button.
CO2
With the arrow-up button you can go back to the temperature set-point entry (chap. 7.1)
With the arrow-down button you can now change to the special controller functions setting (chap. 9)
With the Back button you can go back to the “Setpoints” submenu and, repeatedly pressing it, to Nor-
mal display.
When setting a lower CO
2
set point, the CO
2
gas must be able to escape first. Open the
chamber doors for this purpose.
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