Viewing Basic Information - Navien NHB-055 Installation & Operation Manual

11.2.2 Adjusting the DHW Indirect Supply
Temperature
To adjust the water temperature:
1. Press the Mode button twice. The DHW mode icon turns on.
2. 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.
Take note of the original DHW indirect supply
Note
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 range in the
parameter settings menu.
The boiler will retain your settings during a power
outage.
74 Operating the Boiler
MODE

11.3 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
Outdoor air temperature (°F)
(from Outdoor Temperature Sensor)
S
R O/R psi
Outdoor reset curve (load type)
-: Not in use.
1: Finned tube baseboard
2: FAN coil
3: Cast iron baseboard
4: Low mass radiant
S psi
R O/R
5: High mass radiant
6: Radiator
7: Custom (set by installer)
Boost interval time in minutes (set
by installer)
S psi
R O/R
MODE
Description