Navien NFC Series, User'S Information Manual

Page: 12 / 26

Operating the Boiler 11
Item Description
25. Outdoor Reset
Curve
Outdoor Reset Curve Load Type
(Displayed when the outdoor reset
option “20. Outdoor Reset”is enabled.)
1: Finned Tude Baseboard
2: FAN Coil
3: Cast Iron Baseboard
4: Low Mass Radiant
5: High Mass Radiant
6: Radiator
7: Custom (Set by installer.)
26. Boost Interval
Time
Boost Interval Set Time (min)
27. High Altitude
Sea Level (0 - 2,000 ft)
Level 1 (2,000 - 5,400 ft)
Level 2 (5,400 - 7,700 ft)
Level 3 (7,700 - 10,100 ft)
28. Well Pump
Well Pump Status
OFF - Unused, ON - Used
29. Model Model Type
30. Gas Fuel Type (NG/LPG)
31. Main F/W Ver Main Firmware Version
32. Panel F/W Ver Controller Panel Firmware Version
3.4 Resetting the Boiler
If an error message appears during boiler operation, reset the
boiler to resolve the problem. Press the Back button ( ) on the
front panel to reset the boiler.
If resetting the boiler does not solve the problem, refer to the
Troubleshooting section of this manual or contact Technical
Support at 1-800-519-8794.
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)
16. Flame Value
Flame Detector AD Value
●
Flame On: 8 bit AD Values equal to or
lower than 70
●
Flame Off: 8 bit AD Values equal to or
higher than 175
17. Fan Target RPM Set Fan Speed (RPM)
18. Fan Current RPM Fan Speed (RPM)
19. Fan Target APS Set APS Voltage (V)
20. Fan Current APS APS Voltage (V)
21. Flow Control
Valve Status
100 - Close State
22. Mixing Valve
Status
0 - Close State
23. Exhaust Temp Exhaust Temperature (°F)
24. Outdoor Reset Outdoor Reset Status (Enable/Disable)