Navien NHB H Series Installation And Operation Manual page 118

11.13.7 Setting the Special Operation
Modes
To operate the boiler in special operation modes,
press the Back button (
( ) simultaneously for 3 seconds, and then select
"7. Special Operations".
Rotate the Command dial (
the operation modes. Press the Command dial (
to select an operation mode.
The boiler resumes operation in normal operation
mode if no input is detected for 3 hours.
Press the Back button (
screen or menu.
Item
Set the boiler to run in
1. Normal
Normal operation mode.
Set the boiler to run in 1st
2. 1st MIN stage minimum operation
mode.
Set the boiler to run
3. 1st MAX in 1st stage maximum
operation mode.
Set the boiler to run in
4. 2nd MIN 2nd stage minimum
operation mode.
Set the boiler to run in
5. 2nd MAX 2nd stage maximum
operation mode.
118 Operating the Boiler
) and the Menu button
) to switch between
)
) to return to the previous
Description
11.13.8 Operating in Air Purge Mode
To operate the boiler in air purge mode, press
the Back button ( ) and the Menu button (
simultaneously for 3 seconds, and then select "8. Air
Purge Mode".
Rotate the Command dial (
the parameters. Press the Command dial (
an air purge.
The boiler resumes operation in normal operation
mode if no input is detected for 15 minutes.
Press the Back button (
screen or menu.
Item
Run an air purge on the
1. SH pipe air purge
space heating pipe.
2. DHW pipe air Run an air purge on the
purge DHW pipe.
)
) to switch between
) to run
) to return to the previous
Description