Navien NCB-190/060H Installation & Operation Manual page 120

11.6.7 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 Normal
1. Normal
operation mode.
Set the boiler to run in 1st stage
2. 1st MIN
minimum operation mode.
3. DHW 1st Set the boiler to run in DHW 1st
MAX maximum operation mode.
Set the boiler to run in 2nd stage
4. 2nd MIN
minimum operation mode.
5. DHW 2nd Set the boiler to run in DHW 2nd
MAX maximum operation mode.
Set the boiler to run in SH 1st
6. SH 1st MAX
maximum operation mode.
7. SH 2nd Set the boiler to run in SH 2nd
MAX maximum operation mode.
120 Operating the Boiler
) and the Menu button
) to switch between
)
) to return to the previous
Description
11.6.8 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
1. SH pipe air Run an air purge on the space
purge heating pipe.
)
) to switch between
) to run
) to return to the previous
Description