Viewing Basic Information - Navien NCB-150E Installation & Operation Manual

10.2.2 Adjusting the DHW Temperature
WARNING
Before adjusting the water temperature, read "To prevent
burns:" on page 6 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.
3. Press + (Up) or – (Down) buttons until the desired temperature
appears on the display.
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)
The boiler will retain your settings during a power
Note
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

10.3 Viewing Basic Information

To view information about the boiler, press the Mode button three
times. "INFO" will appear on the display.
Press the + (Up) or – (Down) buttons to switch between the
information types.
Display
Space heating supply water
temperature (°F)
S R O/R psi
Space heating return water
temperature (°F)
S R O/R psi
Domestic hot water outlet
temperature (°F)
S R O/R psi
Cold water inlet temperature (°F)
S R O/R psi
Domestic hot water (DHW) flow rate
in GPM
S
R O/R psi
MODE
Description
Operating the Boiler 55