Zehnder Rittling ComfoAir Q, Руководство по установке

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40 - EN EN - 41
Malfunction code
PREHEAT_PRES ERROR. There is no communication between the pre-heater and the unit.
Question Answer Action
1 not applicable not
applicable 1. Disconnect the power from the unit.
2. Access the control PCB as instructed in the chapter “How to gain access to the control PCB”.
3. Go to the next question.
2 Are the
connections at
the control PCB
correct?4 Yes 1. Get the pre-heater service set.
2. Replace the pre-heater as instructed in its supplied manual.
3. Connect the power to the unit.
Risk of electrical shock.
4. Reset the errors as instructed in the chapter “How to reset errors”.
5. Wait for 2 minutes.
6. Go to the next question.
No 1. Reconnect the pre-heater connectors.
2. Follow the procedure for ending the maintenance.
3 Did the error
come back? Yes 1. Disconnect the power from the unit.
2. Get the control PCB service set
3. Replace the control PCB as instructed in its supplied manual.
4. Follow the procedure for ending the maintenance.
5. Reset the errors as instructed in the chapter “How to reset errors”.
No 1. Disconnect the power from the unit.
2. Follow the procedure for ending the maintenance.
Malfunction code
PREHEAT_LOCATION ERROR. The pre-heater is not in the expected location.
Question Answer Action
1 Is the orientation
of the unit set
correctly?8 Yes Change the location of the pre-heater as instructed in the chapter “How to change the location of the
pre-heater”.
No Set the orientation of the unit correct by running the complete commissioning wizard.
Malfunction code
PRESSURE_EHA ERROR /
PRESSURE_SUP ERROR. The exhaust / supply air pressure sensor has a malfunction.
Question Answer Action
1 not applicable not
applicable 1. Check the settings of all the valves and/or grilles.
2. Go to the next question.
2 Is one or more of
the valves and/or
grilles blocked? Yes 1. Set the valves and/or grilles to the correct settings.
2. Reset the errors as instructed in the chapter “How to reset errors”.
3. Go to the next question.
No Follow the instructions of the SENSOR_EHA ERROR / SENSOR_SUP ERROR table.
3 Did the error
come back? Yes Follow the instructions of the SENSOR_EHA ERROR / SENSOR_SUP ERROR table.
No 1. Inform the residents about the importance of the valve and/or grille settings.
2. Fill in the maintenance log.
4 You can find the correct connection in the technical specification chapter.