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Operating the Boiler
4. Rotate the Command dial (
) to the right or
left to increase or decrease the temperature.
5. Press the Command dial (
) to confirm the
new temperature.
6. Press the Back button (
) to return to normal
operation mode, or rotate the Command dial to
adjust other operation conditions.
You can adjust the temperature while the display is
flashing. Once the display stops flashing, the current
temperature setting is stored.
Note
●
Take note of the original DHW indirect
supply temperature in case you want
to restore it to the default.
●
The default DHW temperature range
is 104°F (40°C, Absolute MIN) to 180°F
(82°C, Absolute MAX).
●
You can adjust the temperature ranges
in the parameter settings menu.
●
The boiler will retain your settings
during a power outage.
11.4.4 Resetting the Boiler
If an error message appears during boiler operation,
reset the boiler to resolve the problem. Press the
Back button (
) on the 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.
11.4.3 Adjusting the DHW Indirect
Supply Temperature
To adjust the water temperature:
1. In normal operation mode, rotate the Command
dial (
). The space heating temperature ( ) is
highlighted on the screen.
2. Rotate the Command dial (
) to the right to
select the DHW temperature.
3. Press the Command dial (
) to select the
indirect DHW temperature (
). The highlighted
section will flash.
Summary of Contents for NFB-175H
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