Navien NFB-175 Mode D'emploi page 96

11.4.8 Operating in Air Purge Mode
To operate the boiler in air purge mode, press the Back button
( ) and the Menu button (
then select "8. Air Purge Mode".
Rotate the Command dial (
Press the Command dial (
The boiler resumes operation in normal operation mode if no input
is detected for 15 minutes.
Press the Back button (
menu.
Item
1. SH pipe air purge
2. DHW pipe air
purge
96 Operating the Boiler
) simultaneously for 3 seconds, and
) to switch between the parameters.
) to run an air purge.
) to return to the previous screen or
Description
Run an air purge on the space heating
pipe.
Run an air purge on the DHW pipe.