Navien NFB Series User Manual

89Operating the Boiler
Rotate the Command dial ( ) to switch between the list items or
to increase/decrease setting values. Press the Command dial (
)
to select an item or to confirm after making changes.
Press the Back button (
) to return to the previous screen or
menu.
Item Description
1. Language
Select a display language.
1. English
2. French
●
Default: English
2. °C/°F Setting
Select a temperature unit
1. Celsius (°C)
2. Fahrenheit (°F)
●
Default: Fahrenheit (°F)
3. PSI/BAR Setting
Select a water pressure unit.
1. PSI
2. BAR
●
Default : PSI
4. Time Setting
Set the system clock (RTC).
●
Display format: YYYY.MM.DD /
HH:MM:SS
5. Backlight Time
Setting
Set the Backlight On time.
●
Setting range: 0 – 60 sec
●
Default: 2 sec
11.4 Accessing Advanced Menu Items
11.4.1 Viewing Service Information
To view service information about the boiler, press the Back button
(
) and the Menu button ( ) simultaneously for 3 seconds,
and then select “1.Service Status Info”.
11.3.6 Viewing Other System Information
To view the miscellaneous system information, press the Menu
button (
), and then select “6. EMS Data”.
Rotate the Command dial ( ) to switch between the information
items. Press the Command dial (
) to select an item and view the
information.
Press the Back button (
) to return to the previous screen or
menu.
Item Description
1. SH Operation Time
View monthly space heating operation
logs.
2. DHW Operation
Time
View monthly DHW operation logs.
3. Gas Consumption View monthly gas consumption.
11.3.7 Setting the Display Options
To set the front panel display options, press the Menu button ( ),
and then select “7. Configuration”.

Navien NFB Series Specifications

General

Brand	Navien
Model	NFB Series
Category	Boiler
Language	English