Start-Up Wizard - Navien NFC-250/175H Installation Manual

11.3 Start-Up Wizard

The start-up wizard should run the first time the
unit is powered on. The wizard must be completed
before the boiler can be used.
1. Set the Language
English
●
French
●
2. Set the time.
YYYY:MM:DD:HH:MM:SS
●
3. Set the units to display.
Celsius (°C), L/M, Meter
●
Fahrenheit (°F), GPM, Feet
●
4. Check the gas type.
Natural Gas
●
Propane Gas
●
5. Installation Elevation Check.
The display about the altitude setting
description using the main DIP switch
6. Set the zone system
Zone Pump System
●
Zone Valve System
●
7. Set the outdoor reset ON/OFF
Enable
●
Disable
●
7-1. Set the outdoor reset curve(Enable select)
Finned Tube Baseboard
●
FAN Coil
●
Cast Iron Baseboard
●
Low mass Radiant
●
High mass Radiant
●
Radiator
●
Custom
●
7-2. Set the outdoor high temp
7-3. Set the outdoor low temp
7-4. Set the WWSD temp
8. Set the auto-fill pressure
9. Set the DHW recirculation
No Recirculation
●
Combi Pre-heat
●
External Recirculation
●
108 Operating the Boiler
10. Set the Combi-Pre heat mode(Combi Pre-heat
select)
Always On/Intelligent/Weekly
●
11. Set the External Recirculation mode(External
Recirculation select)
Always On/Intelligent/Weekly/Aquastat/
●
Hotbutton
12. Setup Summary
Once the Setup Wizard is finished, a summary
of the settings will be displayed. Press the OK
button (OK) at each summary screen until the
air purge mode displayed. Settings made in the
Setup Wizard can be adjusted from the Main
Menu and Installer Menu as described in Section
11.5.3 and 11.5.4.