Accessing Basic Menu Items - Navien NFC-250/200H User's Information Manual

3.3 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 (
screen.
To view information about the boiler, press the
Menu button ( ), and then select "1. Status
Information".
Rotate the Command dial (
the information items. Press the Command dial (
to select an item and view the information.
Press the Back button (
mode.
Item
1. Operation State Current Operation State
2. Heat Capacity Heat Capacity (%)
Space heating set
3. SH Set Temp
temperature (°F)
4. DHW Set Temp DHW set temperature (°F)
12 Operating the Boiler
) to enter the Main Menu
) to switch between
)
) to exit information view
Description
Item
AHU Space Heating Set
Temperature (°F)
If AHU is not connected, "--"
will be displayed.
5. AHU SH Set
The temperature is
Temp
displayed by 1 degree
increments for Fahrenheit
Note
and by 0.5 degree
Use with iFlow Air
increments for Celsius.
Handlers Only.
This is due to the degree
control specifications of
0.5 degree for the AHU
communication type.
Heating supply temperature
6. Supply Temp
(°F)
7. Return Temp Boiler return temperature (°F)
System supply temperature
8. Sys Supply Temp
(°F)
System return temperature
9. Sys Return Temp
(°F)
Heat exchanger outlet
10. Outlet 2 Temp
temperature (°F)
11. Outlet Temp Outlet temperature (°F)
12. Inlet Temp Inlet temperature (°F)
13. Outdoor Temp Outdoor temperature (°F)
14. Approx. Boiler
SH flow rate (GPM)
Flow
15. DHW Flow DHW flow rate (GPM)
16. Water Pressure Water pressure (psi)
Flame detector AD value
Flame On: 8bit AD values
17. Flame Value equal to or lower than 70
Flame Off: 8bit AD values
equal to or higher than 175
18. Fan Target RPM Set fan speed (RPM)
19. Fan Current
Fan speed (RPM)
RPM
20. Fan Target APS Set APS voltage (V)
21. Fan Current
APS voltage (V)
APS
Description