Operating The Boiler; Turning The Boiler On Or Off; Adjusting The Temperature - Navien NCB-24LSWE Installation & Operation Manual

9. Operating the Boiler

9.1 Turning the Boiler On or Off

To turn the boiler on or off, 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
Note
●
space heating supply, the space heating icon turns
on.

9.2 Adjusting the Temperature

9.2.1 Adjusting the Space Heating Temperature
To adjust the heating temperature:
1. Press the Space heating button. The space heating
temperature will flash.
2. Press the + (Up) or – (Down) buttons until the desired
temperature appears on the display.
You can adjust the temperature while the display is flashing.
If no buttons are pressed for 5 seconds or if the ECO 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.
9.2.2 Adjusting the DHW Temperature
WARNING
Before adjusting the water temperature, read "To prevent
burns:" on page 7 carefully. Water above 52°C can cause
instant scalding, severe burns, or death.
To adjust the water temperature:
1. Make sure that all hot water faucets are closed, and ensure
that the internal circulator and any external circulating
pumps are off.
Operating the Boiler 41