Navien NFC-175, Service Manual

Page: 36 / 138

36 NFC Service Manual
Version 1.0
4.8.2 Viewing Basic Information
To view information about the boiler, press the Menu button ( ),
and then select “2. Status Information”.
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 exit information view mode.
Item Description
1. Operation State Current Operation State
2. Heat Capacity Heat Capacity (%)
3. SH Set Temp Space heating set temperature (°F)
4. DHW Set Temp DHW set temperature (°F)
5. Supply Temp Heating supply temperature (°F)
6. Return Temp Boiler return temperature (°F)
7. Sys Supply Temp System supply temperature (°F)
8. Sys Return Temp System return temperature (°F)
9. Outlet 1 Temp Heat exchanger outlet temperature (°F)
10. Outlet 2 Temp Outlet temperature (°F)
11. Inlet Temp Inlet temperature (°F)
12. Outdoor Temp Outdoor temperature (°F)
13. Approx. Boiler
Flow
SH flow rate (GPM)
14. DHW Flow DHW flow rate (GPM)
15. Water Press Water pressure (psi)
4.8 Accessing Basic Menu Items
In the Main Menu screen, you can view the boiler’s operating
conditions, configure the space heating and DHW temperatures,
and review error history. Press the Menu button ( ) to enter the
Main Menu screen.
4.8.1 Quick Setup Menu
The Quick Setup Menu is designed to help configure the boiler
settings after installation is complete. To enter the Quick Setup
Menu, press the Menu button ( ), and select “1.Quick Setup
Menu”. Press the Back button ( ) to return to the previous screen.
Item Description
1. Outdoor Reset
ON/OFF
Set the Outdoor Reset Control settings.
1-1. Outdoor Reset
Curves
Set the Outdoor Reset Curve when the
Outdoor Reset is used.
1-2. Outdoor High
Temp Set
Set the maximum value for the Outdoor
Reset Control when the Outdoor Reset
is used.
1-3. Outdoor Low
Temp Set
Set the minimum value for the Outdoor
Reset Control when the Outdoor Reset
is used.
1-4. WWSD Temp Set the WWSD temperature.
2. Auto-Fill Pressure Set the Auto-Fill Pressure.
3. Time Setting
Set the system clock (RTC).
●
Display format: YYYY.MM.DD /
HH:MM:SS
4. DHW Recirculation Set the DHW Recirculation type setting.