Accessing Advanced Menu Items - Navien NFC-250/175H Installation Manual

Item
Select a temperature unit.
1. Celsius (°C)
2. °C/°F
2. Fahrenheit (°F)
Setting
Default: Fahrenheit (°F)
●
Select a water pressure unit.
1. PSI
3. PSI/BAR
2. BAR
Setting
Default : PSI
●
Set the system clock (RTC).
4. Time
Display format: YYYY.MM.DD /
●
Setting
HH:MM:SS
Set the Backlight On time.
5. Backlight
Setting range: 0 – 60 sec
●
Time Setting
Default: 2 sec
●
11.6 Accessing Advanced Menu
Items
11.6.1 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".
Rotate the Command dial (
the information items. Press the Command dial (
to select an item and view the information.
118 Operating the Boiler
Description
)
) to switch between
)
Press the Back button (
screen or menu.
Item
1. Elapsed
Time After Elapsed time since installation
Install
2. HEX
Number of times the heat
Overheat - No. exchanger overheat protection
of Times has activated
3. Flame Loss - Number of times a flame loss/
No. of Times misfire has occurred
4. 2nd ignition Number of second ignition
- No. of Times attempts
5. 3rd ignition
Number of third ignition attempts
- No. of Times
6. 4th ignition Number of fourth ignition
- No. of Times attempts
7. 5 ~10th
ignition - No. Number of tenth ignition attempts
of Times
Number of times supply return
△
8. T Limit -
temperature limit control has
No. of Times
activated.
9. Supply Number of times Recirculation
Limit - No. of supply temperature limit control
Times has activated.
Number of times combustion
△
10. T High -
stopped due to supply return
No. of Times
temperature.
) to return to the previous
Description