Operating The Boiler; Turning The Boiler On Or Off; Adjusting The Temperature - Navien NCB-190/060H User's Information Manual

3. Operating the Boiler

WARNING
Follow the instructions below to avoid unsafe
operating conditions that could cause property
damage, severe personal injury, or death.
Ensure that the boiler is filled with water
●
before turning it on.
If overheating occurs or the gas supply fails to
●
shut off, shut off the gas supply to the boiler
by using the manual gas valve.
If any part of the boiler has been submerged
●
in water, do not use this appliance and
immediately call
technician. The boiler must be replaced.

3.1 Turning the Boiler On or Off

To turn the boiler on or off, press the Power button
( ).
When the power is on, the boiler automatically
enters normal operation mode, and the boiler's
operating conditions are displayed on the screen.
The boiler status icons remain displayed
Note
when the boiler is turned off.
10 Operating the Boiler
a qualified service

3.2 Adjusting the Temperature

3.2.1 Adjusting the Space Heating
Temperature
To adjust the heating temperature:
1. In normal operation mode, rotate the Command
dial ( ) . The space heating temperature (
highlighted on the screen.
2. Press the Command dial (
heating temperature (
section will flash.
3. Rotate the Command dial (
left to increase or decrease the temperature.
4. Press the Command dial (
new temperature.
5. Press the Back button (
operation mode, or rotate the Command dial
( ) to adjust other operation conditions.
) is
) to select the space
). The highlighted
) to the right or
) to confirm the
) to return to normal