The Front Panel; Lcd Display - Navien NCB-180 Service Manual

4.4 The Front Panel

The front panel allows you to adjust the water temperature and view the operating status or error codes. Remove the protective sheet
from the front panel before using it.

4.4.1 LCD Display

DISPLAY (Icon)
Heating
Hot Water
Supply water Control
Return Water Control
Segment
Combustion
Checkup (Error)
Outdoor Reset
GPM
Psi
32 NCB Service Manual
Displays Heating icon upon heating demand
(Space Heating mode)
Displays Hot Water icon upon hot water demand
(DHW setting mode)
Displays the Supply Water Control mode status
Displays the Return Water Control mode status
Displays the data set in each Segment according to display status
Displays the Combustion status. Flashes the Combustion icon at 1
second intervals when performing combustion freeze protection
Displays the Error icon when an error occurs. The Boiler may still maintain
basic operations (temperature settings, etc.) if it displays the error icon
only.
Displays the Outdoor Reset function status
Displays the system flow rate (in GPM)
Displays the system water pressure (in psi)
Function Remarks
Version 1.0