Zehnder Rittling ComfoAir 70, Руководство по эксплуатации и сборке

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3.3 Maintenance and repair by qualified personnel
If regular maintenance work is not performed at the ComfoAir 70, this impairs the functioning
of the comfort ventilation.
The required maintenance works are to be easily done at Zehnder ComfoAir 70 and should be regularly
completed so that the device works hygienically. In case of regular filter change and using our original filter,
a maintenance interval of 2 years is to be adhered to. If the device is not operated according to the
regulations also only temporarily without or with low-quality filters then the enthalpy exchanger is to be
immediately cleaned and the device is to be again operated according to the regulations.
Independent of the maintenance of the device, the combo- external wall grid is to be checked regularly for
soiling, especially the induction tract, found in the upper part. Possibly occurring soiling is to be immediately
removed.
3.3.1 Inspection and Cleaning of the Enthalpy Exchanger
In order to do so, proceed as follows:
1. Separate CA70 from the supply voltage (secure).
2. Remove the upper Design-cover hood.
3. Loosen the fixing screws of the lower design-cover hood and remove these. Carefully separate the
plug from the control unit. Do not(!) pull the cable but the plug!
4. Pull the device carefully from the wall-installation tube. Please pay attention that the network cable
and the cable for the control unit to not suffer any damage.