Navien NCB-20LHWE, Руководство по установке и эксплуатации

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Anti-Legionella Function Setting
Setting Remark
Anti-Legionella Function Default: OFF
Resetting All Parameters
Display Description
Do not reset parameters (No)
Reset all parameters (Yes)
This menu may be used to reset all the parameters to their
factory default settings.
To reset all parameters:
1. Press the + (Up) or – (Down) buttons to change the display
to [YES].
2. Press the INFO button.
3. When [No] appears on the display again, all parameters have
been reset.
Setting a New Password
Display Description
Change password
This menu may be used to set a new password to access the
parameter setting menu.
To set a new password:
1. Move to [*.PSC] and press the INFO button. The current
password is displayed, with the first digit flashing.
2. Press the + (Up) or – (Down) buttons to change numbers.
3. Press the Summer/Winter button to change places.
4. When you are done setting the password, press the INFO
button to save it. The new password is displayed on the
front panel for 3 seconds, before the boiler returns to the
parameter setting mode.
Note
If you do not press the INFO button in 10 seconds
after setting a new password, the new password is
automatically saved and [*.PSC] is displayed on the
front panel.
Setting the DHW Priority Time
Display Description
DHW priority time (min)
DHW tank not in use
This menu may be used to set the operation priority time for
the domestic hot water mode. This is the operation priority time
when the demand for space heating and domestic hot water
occur at the same time. If the domestic hot water demand is
continuously maintained, the mode will return to space heating
after the set time.
DHW Priority Time Range
Range Remark
0–180 min Default: 30 min
Setting the Anti-Legionella Function
Display Description
Anti-legionella function
DHW tank not in use
This menu can be used to prevent the propagation of germs by
heating the external domestic hot water tank once a week. You
can set the device to use or not use this feature.
11.6 Resetting the Boiler
If an error message appears, reset the boiler to resolve the
problem. To reset the boiler, press the Reset button.
If resetting the boiler does not solve the problem, refer to the
Troubleshooting section of this manual or contact Technical
Assistance Service.
55 Operating the Boiler