Navien NHB H Series Installation And Operation Manual page 101

11.4.2 Adjusting the Space Heating Temperature (When "3. Zone Priority Setting" is
enabled)
To adjust the heating temperature:
1. In normal operation mode, rotate the Command dial (
on the screen.
2. Press the Command dial (
zone's temperature will flash.
The number of the zones differs depending on the zone settings and Pump 1 settings.
Note
Zone Settings Pump1 Settings
N/A
Zone Pump
System
Zone Pump
System
Zone Valve
System
For more information on the zone settings and zone priority settings, refer to "11.8 Setting the
Space Heating Operation" on page 104.
3. Rotate the Command dial (
temperature.
4. Press the Command dial (
5. Press and hold the Command dial (
rotate the Command dial (
The space heating temperature cannot be adjusted when the Outdoor Reset Control is used.
Note
●
The space heating temperature cannot be adjusted if the boiler is operating as a sub unit in a
●
cascade system. The main unit's set temperature will be displayed on the screen.
In case of outdoor reset sensor malfunction, the boiler will operate at this set temperature.
●
Take note of the original heating temperature in case you want to restore it to the default.
●
The default space heating supply water temperature range is 104°F (40°C, Absolute MIN) to 180°F
●
(82°C, Absolute MAX).
The default space heating return water temperature range is 86°F (30°C, Absolute MIN) to 149°F
●
(65°C, Absolute MAX).
You can adjust the temperature ranges in the parameter settings menu.
●
The boiler will retain your settings during a power outage.
●
) to select the desired zone, and then press the Command dial (
N/A Space heating temperature settings
Space heating temperature settings for Zone 2 and Zone 3
DHW Pump
(Pump 1 Settings" is set to "DHW Pump".)
Space heating temperature settings for Zone 1, Zone 2 and
Zone1 Pump
Zone 3
DHW Pump Space heating temperature settings for Zone 1, Zone 2 and
(Default) Zone 3
) to the right or left to increase or decrease the selected zone's space heating
) to confirm the new temperature.
) for more than 2 seconds to return to normal operation mode, or
) to adjust another zone's temperature.
). The space heating temperature (
Space heating settings for each zone
) is highlighted
). The selected
Operating the Boiler 101