109
Operating the Boiler
5. 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
highlighted section is flashing. Once the flashing
stops, the current temperature setting is stored.
Note
●
The space heating temperature
cannot be adjusted when the Outdoor
Reset Control is used.
●
In case of outdoor reset sensor
malfunction, the boiler will operate at
this set temperature.
●
Take note of the original heating
temperature in case you want to
restore it to the default.
●
The default space heating supply
water temperature range is 104°F
(40°C, Absolute MIN) to 180°F (82°C,
Absolute MAX).
●
The default space heating return
water temperature range is 86°F
(30°C, Absolute MIN) to 149°F (65°C,
Absolute MAX).
●
You can adjust the temperature ranges
in the parameter settings menu.
●
The boiler will retain your settings
during a power outage.
11.4.2 Adjusting the DHW Temperature
To adjust the water temperature:
1. In normal operation mode, rotate the Command
dial (
). The space heating temperature ( ) is
highlighted on the screen.
11.4 Adjusting the System
Temperatures
11.4.1 Adjusting the Space Heating
Temperature
To adjust the heating temperature:
1. In normal operation mode, rotate the Command
dial (
) . The space heating temperature ( ) is
highlighted on the screen.
2. Press the Command dial (
) to select the space
heating temperature. The highlighted section
will flash.
3. Rotate the Command dial (
) to the right or
left to increase or decrease the temperature.
4. Press the Command dial (
) to confirm the
new temperature.
Summary of Contents for NFC-250/175H
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