Thermo Scientific Heracell Vios 160i CR, Руководство по эксплуатации

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9
Maintenance
Service Intervals
9-2
Heracell Vios 160i / 250i CR
Thermo Scientific
Service Intervals
During running operation, the following service works must be performed:
3-Month Service:
• Run auto-start routine and Steri-Run sterilization routine.
• Perform temperature and CO
2
/O
2
comparison measurement.
• Check HEPA filter in the inner chamber and replace if necessary.
6-Month Service:
• Replace the HEPA filter in the rear wall filter enclosure.
Sixfold Gas Tight Screen:
• Check cover gasket every 6 months. Replace if necessary.
• For Cell Locker Chamber membrane filters see separate Cell Locker System operating instructions
(see Appendix ).
Annual Service:
• Replace gas inlet filter.
• Perform Technical Service service inspection.
Preparing Temperature Calibration
To determine the exact measured value of the incubator’s integral temperature sensor, a temperature
comparison measurement must be performed every three months. If a major temperature deviation is
found during this check, temperature calibration is required. During this process, the temperature
controller of the incubator is set to the value measured during the temperature comparison measurement.

Use a calibrated measuring instrument with an accuracy of < ± 0.1°C for this test.To minimize
temperature variations during the measurement, put the measuring sensor in an isothermal container
(such as a bottle filled with glycerol) before placing it in the workspace. Use the center of the work
space as the reference location for the comparison measurement.
Note Service contract:

Thermo Scientific offer a device-specific service contract that comprises all test and service works required.
Note Isothermal container:

Do not use a container filled with water as an isothermal container because the evaporation of water
will result in a lower temperature reading.


Excessive workspace temperature:

Excessive workspace temperatures after the calibration can be reduced by leaving the doors open for
approx. 30 seconds.