Operating The Boiler; Turning The Boiler On Or O; Adjusting The Temperature - Navien NCB-20LHWE Installation & Operation Manual

11. Operating the Boiler

11.1 Turning the Boiler On or O

To turn the boiler on or o , press the Power button.
When the power is on, the water temperature of the space
heating supply will appear on the front panel display.
When displaying the water temperature of the space
Note
heating supply, the space heating icon turns on.

11.2 Adjusting the Temperature

11.2.1 Adjusting the Space Heating Temperature
To adjust the heating temperature:
1. Press the Space heating button. The space heating
temperature will ash.
2. Press the + (Up) or – (Down) buttons until the desired
temperature appears on the display.
You can adjust the temperature while the display is ashing.
If no buttons are pressed for 5 seconds or if the INFO button
is pressed, the current temperature setting will be stored
automatically.
Take note of the original heating temperature in
Note
case you want to restore it to the default.
The default space heating temperature range is
40°C to 90°C.
The boiler will retain your settings during a power
outage.
Operating the Boiler 45