Navien NCB500-2S/37K, Руководство по обслуживанию

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System Details 33
4.4.8 Accessing Advanced Menu Items
4.4.8.1 Viewing Service Information
To view the service information about the boiler, press the Back
button ( ) and the Menu button ( ) simultaneously for
3 seconds, and then select “1. Service Status Info”.
Press the Up button ( ) or the Down button ( ) to switch
between the information items. Press the OK button ( ) to
select an item and view the information.
Press the Back button ( ) to return to the previous screen or
menu.
Item Description
1. Elapsed Time After Install Elapsed time since installation
2. HEX Overheat - No. of
Times
Number of times the heat
exchanger high limit stat has
activated
3. Flame Loss - No. of Times Number of times a flame loss/
misfire has occurred
4. 2nd ignition - No. of
Times
Number of second ignition
attempts
5. 3rd ignition - No. of
Times
Number of third ignition
attempts
6. 4th ignition - No. of
Times
Number of fourth ignition
attempts
7. 5th ignition - No. of
Times
Number of fifth ignition
attempts
4.4.7.7 Setting the Display Options
To set the front panel display options, press the Menu button
( ), and then select “7. Configuration”.
Press the Up button ( ) or the Down button ( ) to switch
between the list items or to increase/decrease setting values.
Press the OK button ( ) to select an item or to confirm after
making changes.
Press the Back button ( ) to return to the previous screen or
menu.
Item Description
1. Language
Select the display language.
1. English
●
Default: English
5. Backlight Time Setting
Set the backlight time.
●
Setting range: 0 – 60 sec
●
Default: 2 sec