Navien NFC-175 Installation & Operation Manual page 89

Item
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
100 - Close state
valve status
22. Mixing valve
0 - Close state
status
23. Exhaust Temp Exhaust temperature (°F)
24. Outdoor Reset Outdoor reset status (Enable / Disable)
Outdoor reset curve load type (displayed
when the outdoor reset option "20.
Outdoor Reset" is enabled)
1: Finned Tube Baseboard
25. Outdoor Reset 2: FAN Coil
Curve 3: Cast Iron Baseboard
4: Low Mass Radiant
5: High Mass Radiant
6: Radiator
7: Custom (set by installer)
26. Boost Interval
Boost interval set time (min)
Time
Sea Level (0 - 2,000 ft)
Level 1 (2,000 - 5,400 ft)
27. High Altitude
Level 2 (5,400 - 7,700 ft)
Level 3 (7,700 - 10,100 ft)
Well pump status
28. Well pump
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
Description
11.3.3 Setting the Space Heating Operation
To set the boiler's space heating operation, press the Menu button
( ), and then select "3. Space Htg Operation".
Rotate the Command dial (
to increase/decrease setting values. Press the Command dial (
to select an item or to confirm after making changes.
Press the Back button ( ) to return to the previous screen or
menu.
Item
Set space heating target temperature
(°F).
Setting range: 104
●
1. SH Set Temp
Default: 180°F (82°C)
●
This option is available only when
"1. Space Htg ON/OFF" is set to
"Enabled".
2. Outdoor Reset
Default: Disable
ON/OFF
Select a heatload type of the Outdoor
Reset Control.
1: Finned Tube Baseboard
2: FAN Coil
3: Cast Iron Baseboard
2-1. Outdoor Reset 4: Low Mass Radiant
Curves* 5: High Mass Radiant
6: Radiator
7: Custom (set by installer)
This option is available only when
"2. Outdoor Reset ON/OFF" is set to
"Enabled".
Set the maximum temperature for the
Outdoor Reset Control.
2-2. Outdoor High
Setting range: [MIN Set-point + 9°F
●
Temp Set**
(5°C)] – 104°F (40°C)
Default: 70°F (21°C)
●
) to switch between the list items or
Description
180°F (40 82°C)
– –
Operating the Boiler
)
89