Navien NCB-190/060H Installation & Operation Manual page 107

11.5.2 Setting the Space Heating
Operation
To set the boiler's space heating operation, press the
Menu button ( ), and then select "2. Space Htg
Operation".
Rotate the Command dial (
the list items or to increase/decrease setting values.
Press the Command dial (
confirm after making changes.
Press the Back button (
screen or menu.
Item
Set space heating target
temperature (°F).
The setting range varies
●
depending on the heating
control type:
- Supply Temperature or
1. SH Set Temp
- Return Temperature or
Default: 180°F (82°C)
●
Set between Zone Pump or
Zone Valve System.
2. Zone Settings
Default: Pump System
●
3. Outdoor Reset
Default: Disable
ON/OFF
) to switch between
) to select an item or to
) to return to the previous
Description
Sys Supply Temperature:
104–180°F (40–82°C)
Sys Return Temperature:
86–149°F (30–65°C)
Item
Select a heatload type of the
Outdoor Reset Control.
1: Finned Tube Baseboard
2: FAN Coil
3: Cast Iron Baseboard
3-1. 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.
3-2. Outdoor High
Setting range: [MIN Set-
●
Temp Set**
point + 9°F (5°C)] – 104°F
(40°C)
Default: 70°F (21°C)
●
Set the maximum
temperature for the Outdoor
Reset Control.
3-3. Outdoor Low
Setting range: -4°F (-20°C)
●
Temp Set**
– [MAX Set-point – 9°F
(5°C)]
Default: 14°F (-10°C)
●
Set the Warm Weather Shut-
down temperature.
3-4. WWSD Temp Setting range: OFF, 50°F
●
(10°C) – 104°F (40°C)
Default: OFF
●
Set the differential
temperature to deactivate
the Warm Weather Shut-
down.
3-5. WWSD On Diff
Setting range: 0°F (0°C) –
●
36°F (20°C)
Default: 5°F (3°C)
●
Set the boost interval time.
3-6. Boost Interval
Setting range: 0 – 120 min
●
Time***
Default: 0 min
●
Enable or disable heating
zones utilizing the Navien
Zone Controller.
4. Navien Zone
Controller Setting range: Enabled/
●
Disabled
Default: Disabled
●
Description
Operating the Boiler 107