Viewing Basic Information; Setting The Operation Mode - Navien NCB-24LDWE Installation & Operation Manual

10.3 Viewing Basic Information

To view information about the boiler, press the ECO button for 2
seconds.
Press the + (Up) or – (Down) buttons to switch between the
information types.
Display
42 Operating the Boiler
Description
Space heating supply water
temperature (°C)
Space heating return water
temperature (°C)
Domestic hot water outlet
temperature (°C)
Cold water inlet temperature
(°C)
Domestic hot water (DHW) flow
rate in LPM
Outdoor air temperature (°C)
(with optional Outdoor
Temperature Sensor only)
Display
To exit information mode, press the Reset button.

10.4 Setting the Operation Mode

1. Using the Front Panel, press and hold the ECO, Summer/
Winter and Space heating button at the same time for over
5 seconds until "1.TST" is displayed.
2. Press the + (Up) or – (Down) buttons until "2.OPR" is
displayed.
3. Press the ECO Button once to access the Operation mode
menu.
4. Press the + (Up) or – (Down) buttons to switch between the
Operation mode types.
5. To exit the Operation Mode setting and return the boiler to
normal operation, press the Reset button.
Description
Outdoor reset curve
-: Not in use.
1: Finned tube baseboard
2: FAN coil
3: Cast iron baseboard
4: Low mass radiant
5: High mass radiant
6: Radiator
7: Custom (set by installer)
Boost interval time (set by
installer)
Space heating water pressure
in Bar