Accessing Advanced Menu Items - Navien NHB Series Installation & Operation Manual

Tap ( ) to go to the next page.
Item
Set the date and time by tapping
1. Date & Time
and
Set a temperature unit.
1. Celsius (°C)
2. Temperature Unit
2. Fahrenheit (°F)
Default: Fahrenheit (°F)
Set a pressure unit.
1. bar
3. Pressure Unit
2. psi
Default: psi
Description
.

11.6 Accessing Advanced Menu Items

11.6.1 Viewing Service Information
To view service information about the boiler:
1. Tap the Set button ( ) > Service.
2. Tap Open on the Service Status Information menu.
Item
1. Elapsed time after
Elapsed time since installation
install
2. HEX Overheat - No. Number of heat exchanger overheating
of times protection activation
3. Flame Loss - No. of
Number of flame loss/misfire
times
4. 2nd ignition - No.
Number of second ignition
of times
5. 3rd ignition - No.
Number of third ignition
of times
6. 4th ignition - No.
Number of fourth ignition
of times
7. 5 ~10th ignition -
Number of tenth ignition
No. of times
Description
Operating the Boiler 99