Zehnder Rittling ComfoAir 70, Руководство пользователя, Страница: 27 / 31

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4. Remove the filter cover and the filter out of the upper filter compartment.
5. Remove the upper part of the EPP housing, pulling in an upward direction. The enthalpy exchanger can now be pulled
upwards out of the lower part of the EPP housing.
6. Proceed as follows when cleaning:
NOTE
Do not use aggressive or solvent-based cleaning agents.
 Immerse the enthalpy exchanger a few times in warm water of max. 40°C.
 Then rinse off the enthalpy exchanger thoroughly with warm tap water of max. 40°C.
 Place the enthalpy exchanger in the installed position for approx. 15 minutes so that the residual water can drain
out of the openings.
7. Following the inspection, install all parts in the reverse order.
NOTE
If necessary, dismantled ventilation tubes must be reconnected in an air-tight manner.
8. Restore the power supply and set the ventilation unit to the operating mode desired by the operator.
Visualization of fault notifications
The unit control system is equipped with an internal system for recognizing faults. A fault notification is visualized through
the flashing of the red "Fault LED" and a coded failure prediction using LED1-4.
Fault LED1 LED2 LED3 LED4
Fan 1 flashes - - flashes
Fan 2 - flashes - flashes
Temp. sensor outdoor air - - flashes flashes
Servo 1 flashes - flashes flashes
Servo 2 flashes flashes flashes
Humidity sensor flashes flashes - flashes
CO
2
/ VOC sensor - - - flashes