Adjusting The Dhw Temperature - Navien NCB-150E Service Manual

3. You can adjust the temperature while the display is flashing.
Once the display stops flashing, the temperature setting is
stored.
NOTE
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 range in the parameter
●
settings menu.
The boiler will retain your settings during a power outage.
●

4.4.7 Adjusting the DHW Temperature

WARNING
Before adjusting the water temperature, read "To prevent
burns:" on page 9 carefully. Water above 120°F (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.
2. Press the Mode button twice. The DHW mode icon turns on.
38 NCB-E Service Manual
MODE
3. Press + (Up) or – (Down) buttons until the desired temperature
appears on the display.
4. You can adjust the temperature while the display is flashing.
Once the display stops flashing, the temperature setting is
stored.
Temperature range
86-120°F (Fahrenheit mode)
30-50°C (Celsius mode)
120-140°F (Fahrenheit mode)
50-60°C (Celsius mode)
NOTE
The boiler will retain your settings during a power outage.
MODE
Adjusting the water
temperature
1°F or 1°C increments
Press for 2 seconds to adjust in
5°F or 2°C increments
Version 1.4