Zehnder Rittling ComfoAir Q 350 ST, User Manual

10 - EN

EN - 11

3 Operation

Read the manual of the connected operating devices 
to see how to use them. 
Read this document to see how to use the display on 
the unit

3.1 How to use the display on the unit

The main screen will start automatically when 
you open the visor. In case of an error or warning 
messages the display will also start when the visor 
is closed. The display will always stop automatically 
after 15 minutes of no activity. Press any key to 
restart the display.

3.1.1 Start/stop child lock

Select and hold MENU in the main screen for 4 
seconds.

3.1.2  Switch between user modes

When in basic mode:
1.  Select SHIFT in the main screen.
2.  Select ADVANCED.

When in advanced mode:
1.  Select SHIFT in the main screen.
2.  Select BASIC.

3.1.3  How to navigate through the menu

1.  Select MENU to get access to the menus.
2.  Use the up and down button to navigate forward 

and back through the menus.

3.  When the selection arrow is in front of the desired 

option select CONFIRM.

When you are done with all your operating options:
1.  Select BACK until you reach the main screen. 
2.  Close the visor.

3.1.4  Manually set the airflow

To set a temporary airflow press the up or down 
button to select the desired temporary airflow. 
When the next step of the SCHEDULER 
VENTILATION starts or after a maximum of two 
hours the unit will automatically switch back to AUTO 
mode. 

To set a permanent airflow: 
1.  Navigate to TASK MENU.
2.  Navigate to AUTO/MANUAL.
3.  Navigate to MANUAL.
4.  Select the desired airflow with the up and down 

button.

5.  Select CONFIRM. 
6.  Select CONFIRM. 

Stop the MANUAL mode:
1.  Repeat step 1 and 2.
2.  Navigate to AUTO.

3.1.5   Set the airflow to a maximum (BOOST) for a 

specific duration

1.  Navigate to TASK MENU.
2.  Navigate to BOOST.
3.  Navigate to TIMER. 
4.  Select the desired duration with the up and down 

button.

5.  Select CONFIRM.

Stop the boost before the end of the duration:
1.  Repeat step 1 and 2.
2.  Navigate to OFF.

3.1.6  Stop the airflow for a specific duration

1.  Navigate to TASK MENU.
2.  Navigate to VENTILATION.
3.  Navigate to 
  -  SUPPLY ONLY if you would like to stop 

extracting air;

  -  EXTRACT ONLY if you would like to stop 

supplying air (if available);

4.  Select the desired duration with the up and down 

button.

5.  Select CONFIRM.
6.  Select CONFIRM.

Start the airflow before the end of the duration:
1.  Repeat step 1 and 2.
2.  Navigate to BALANCE.

3.1.7   Set the airflow to a minimum for the period of 

your absence (PRESET A)

1.  Navigate to TASK MENU.
2.  Navigate to AWAY.
3.  Navigate to UNTIL.
4.  Set your expected return time with the up and 

down button.

5.  Select CONFIRM after each set number.

Stop the away mode before the end of the time:
1.  Repeat step 1 and 2.
2.  Navigate to OFF.

3.1.8  Set the temperature profile

1.  Navigate to TASK MENU.
2.  Navigate to TEMPERATURE PROFILE.
3.  Navigate to the desired temperature profile.