Adjusting The Dhw Temperature; Resetting The Boiler - Navien NFC-175 Service Manual

4.7.2 Adjusting the DHW Temperature

To adjust the water temperature:
1. In normal operation mode, rotate the Command dial (
space heating temperature(
2. Rotate the Command dial (
temperature.
3. Press the Command dial (
( ). The highlighted section will flash.
4. Rotate the Command dial (
decrease the temperature.
5. Press the Command dial (
Version 1.0
). The
) is highlighted on the screen.
) to the right to select the DHW
) to select the DHW temperature
) to the right or left to increase or
) to confirm the new temperature.
6. Press the Back button (
mode, or rotate the Command dial (
operation conditions.
You can adjust the temperature while the display is flashing. Once
the display stops flashing, the current temperature setting is
stored.
The default DHW temperature range is 86°F (30°C) to
Note
●
140°F (60°C).
You can adjust the temperature ranges in the
●
parameter settings menu.
The boiler will retain your settings during a power
●
outage.

4.7.3 Resetting the Boiler

If an error message appears during boiler operation, reset the
boiler to resolve the problem. Press the Back button (
front panel to reset the boiler.
If resetting the boiler does not solve the problem, refer to the
Troubleshooting section of this manual or contact Technical
Support at 1-800-519-8794.
) to return to normal operation
) to adjust other
) on the
NFC Service Manual 35