Viewing Basic Information - Navien NCB-20LHWE Installation & Operation Manual

11.2.2 Adjusting the DHW Temperature
WARNING
Before adjusting the water temperature, read "To prevent
burns:" on page 5 carefully. Water above 52°C can
cause instant scalding or severe burns.
This function is available when using the DHW storage
cylinder.
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 o .
2. Press the DHW button. The DHW temperature will ash.
3. Press + (Up) or – (Down) buttons until the desired
temperature appears on the display.
46 Operating the Boiler
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 DHW temperature range is 30°C to
65°C.
The boiler will retain your settings during a power
outage.

11.3 Viewing Basic Information

To view information about the boiler, press the INFO button for
2 seconds.
Press the + (Up) or – (Down) buttons to switch between the
information types.
Display Description
Space heating supply water
temperature (°C)
Space heating return water
temperature (°C)
External DHW tank temperature
(°C) (with cylinder temp. sensor)