Navien NFC-250/200H User's Information Manual page 9

2.3.2 Buttons and Command Dial
Using the buttons and the Command dial (
the front panel, you can turn on or off the boiler,
monitor the current operation status, and set the
values required for the boiler's operation, such as
space heating and DHW supply temperatures. Refer
to the following table for detailed information.
a
c
) on
Back button
Return to the previous menu
or screen.
Power button
Turn on or off the boiler.
a
Mode button
b
Enter the boiler's main menu.
Command dial
Rotate to switch between
menu items, or to increase/
d
decrease values.
Press to make a selection or
to confirm changes.
b
c
d
About the Boiler 9