Navien LCB700-21RS Installation & Operation Manual page 65

Item
Set the service notification according
to the operating times.
Setting range: 300 – 36500 cycles
15. Service Notif
Cycle
It can be set in 100 cycle
increments.
Default: 18200 cycles
Initialize all parameter settings (panel
16. Factory Reset
and main controller) to factory default.
Change the parameter setting
password.
Rotate the Command dial (
17. P/W Change
change numbers and places, and
press the Command dial (
the new password.
If you enter an incorrect password 10 times or
Note
make no inputs for 5 minutes, the boiler will return
to Normal mode.
To return to the previous mode, press the Reset
button.
The factory default password is "1234".
If you make no inputs for 10 seconds in the
Parameter Edit mode, the current parameter value
will be saved automatically.
Press and hold the Back button (
Edit mode for 5 seconds to reset individual
parameters to their default values.
When you reset one of the following parameters,
the corresponding parameter will be reset
automatically:
- Supply Min or Max capacity limit
- Return Min or Max capacity limit
* The anti-fast cycling time is the duration that the boiler stops its
central heating operation when the central heating supply or
return temperatures reach the set values for boiler operation stop
temperatures. The boiler will not resume central heating until the
duration elapses, even when the central heating supply or return
temperatures return to within the set ranges.
Description
) to
) to save
) in Parameter
11.5.4 Diagnosing the Boiler System
To run a series of test procedures for a system diagnosis, press
the Back button ( ) and the Menu button (
for 3 seconds, and then select "4. Test Mode".
Rotate the Command dial (
procedures. Press the Command dial (
procedure.
Press the Back button ( ) to return to the previous screen or
menu.
Item
Test the fan operation by manually
changing the fan speed.
From a stopped state, the fan
speed gradually increases and
1. Fan Motor reaches the top speed, and then
the fan speed decreases until the
fan stops operating.
Rotate the Command dial (
run or stop the fan test.
Test the fan operation by manually
changing the pump speed.
Test the Oil Pump Operation. The
2. Oil Pump Oil Pump is turned on as soon as
you enter the test mode.
Press the Command dial (
toggle the oil pump operation.
Test the boiler pump operation.
The boiler pump is turned on as
soon as you enter the test mode.
3. Boiler Pump
Press the Command dial (
toggle the pump operation (On ->
Off/Off -> On).
) simultaneously
) to switch between the test
) to run a test
Description
) to
) to
) to
Operating the Boiler 65