Navien NFB-175 Mode D'emploi page 86

Item
17. Fan Target APS Set APS voltage (V)
18. Fan Current APS APS voltage (V)
19. Exhaust Temp Exhaust temperature (°F)
20. Outdoor Reset Outdoor reset status (Enable / Disable)
Outdoor reset curve load type (displayed
when the outdoor reset option "20.
Outdoor Reset" is enabled)
21. Outdoor Reset
Curve
22. Boost Interval
Boost interval set time (min)
Time
23. Model Model type
24. Gas Fuel type (NG/LPG)
25. Main F/W Ver Main firmware version
26. Panel F/W Ver Controller panel firmware version
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 (
menu.
86 Operating the Boiler
Description
1: Finned Tube Baseboard
2: FAN Coil
3: Cast Iron Baseboard
4: Low Mass Radiant
5: High Mass Radiant
6: Radiator
7: Custom (set by installer)
) to switch between the list items or
) to return to the previous screen or
Item
1. SH Set Temp
2. Zone Settings
2-1. Pump 1 Settings
3. Outdoor Reset
ON/OFF
3-1. Outdoor Reset
Curves**
3-2. Outdoor High
Temp Set*
3-3. Outdoor Low
Temp Set*
3-4. WWSD Temp
)
3-5. WWSD On Diff
Description
Set space heating target temperature
(°F).
Setting range: 104 180°F (40
–
●
Default: 180°F (82°C)
●
This option is available only when
"1. Space Htg ON/OFF" is set to
"Enabled".
Set the system type and operation
details.
1. Zone Pump System
2. Zone Valve System
Set the pump 1 type.
1. Zone 1 pump
2. DHW pump
Enable or disable the Outdoor Reset
Control feature (Default: Enabled).
Select a heatload type fo the Outdoor
Reset Control.
1: Finned Tube Baseboard
2: FAN Coil
3: Cast Iron Baseboard
4: Low Mass Radiant
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.
Setting range: [MIN Set-point + 9°F
●
(5°C)] – 104°F (40°C)
Default: 70°F (21°C)
●
Set the maximum temperature for the
Outdoor Reset Control.
Setting range: -4°F (-20°C) – [MAX Set-
●
point – 9°F (5°C)]
Default: 14°F (-10°C)
●
Set the Warm Weather Shut-down
temperature.
Setting range: OFF, 50°F (10°C) –
●
104°F (40°C)
Default: OFF
●
Set the differential temperature to
deactivate the Warm Weather Shut-
down.
Setting range: 0°F (0°C) – 36°F (20°C)
●
Default: 5°F (3°C)
●
82°C)
–