Navien NCB-24LSWE, Руководство по обслуживанию

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52 NCB Service Manual Version 1.0
Item Description Display
(W) Maintenance
time
This menu sets the maintenance time.
Range Default
0 to 999 days 0
Maintenance time
(+) Reset all
parameters
This menu resets all boiler parameters to the default settings. To
reset:
1. Press [+] or [–] to change the display to “YES”.
2. Press [ECO].
When “No” appears on the display, all parameters have been reset.
In <Parameter initializing
mode>,
press [+] or [-]
or
(*) Change
password
This menu sets a new password for <Parameter setting mode>.
To set a new password:
1. Move to [*.PSC] and press [ECO]. The current password is displayed
and the first digit flashes.
2. Press [+] or [–] to change the value.
3. Press [Summer/Winter] to change position.
4. When the new password is entered, press [ECO] to save it. The new
password is displayed on the front panel for three seconds and
then the boiler returns to <Parameter setting mode>.
NOTE
If you do not press [ECO] for 10 sec after
entering the new password, the new
password is automatically saved and
[*.PSC] is displayed on the front panel.
In <Password setting
mode>, the password is
displayed. The password
characters flash at 500
msec intervals when they
can be changed.