CB-S / CB-S-UL (E7) 06/2020 page 86/119
We recommend regular disinfection of the CO
2
sensor.
Danger of damage to the CO
2
sensor when connecting or removing it during opera-
tion.
Damage to the CO
2
sensor.
Connect or remove the CO
2
sensor only with the chamber turned off.
Recommended procedure:
• Turn off the chamber
• Pull out the sensor
• Spray the sensor head with alcohol or wipe it clean with a soaked cloth. Observe the reaction time of
the disinfectant used.
• Before reinserting the CO
2
sensor, it must be completely dry.
• The filter in the front of the sensor only needs replacing when damaged or dirty.
The CO
2
sensor head was especially adjusted for the specific chamber. To avoid confusion, an adhesive
label with a serial number is adhered to the sensor head. When exchanging the sensor, repeat CO
2
ad-
justment.
Danger of confusing CO
2
sensors.
Invalid calibration.
Do NOT change the CO
2
sensor head.
Note down the serial number of the CO
2
sensor.
23. Hot-air sterilization at 180 °C / 356 °F
The very first sterilization after operation may cause an odor. This is not a quality defect. We
recommend ventilating well the room during sterilization.
23.1 Overview
Effective sterilization
Cooling down
Heating up
Holding
approx. 2
hours
4 hours
approx. 6 hours
6 hours
Sterilization cycle: Total duration approx. 12 hours
Figure 21: Temperature set-point profile and phases of the sterilization cycle
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