Cuenod NC4, Instructions For Use Manual

Page: 38 / 60

12/2008 - Art. Nr. 4200 1013 9300A 38
Maintenance
Maintenance frequency indicator
Fuel oil stock indicator
After a certain period of operation, the
following information may be displayed:
This means that
maintenance must
be carried out by a
specialist.
If the fitter has
recorded his
telephone number ,
this one appears
and the current
maintenance
contract number
(accessible in the
fault menu)
To change the telephone number
• Enter the fault menu by pressing BP1 ,
then keep pressing the button to scroll
through to the desired pictogram.
• Press BP2 to enter a change in the
pictogram: the first figure flashes.
• Increase the value (from 0 to 9) by
repeatedly pressing BP1 .
• Confirm by pressing BP2 .
• Repeat the operation until you reach
the last figure.
After confirming the last figure, the
complete pictogram is displayed for 5
seconds, then the control unit returns to
the operating screen.
During these 5 seconds, you can access
the following screen by pressing
BP1 :
To change the contract number
• Enter the fault menu by pressing BP1 ,
then keep pressing the button to scroll
through to the desired pictogram
«contract number»..
• Press BP2 to enter a change in the
pictogram: the first figure flashes.
• Increase the value (from 0 to 9) by
repeatedly pressing BP1 .
• Confirm by pressing BP2 .
• Repeat the operation until you reach
the last figure.
After confirming the last figure, the
complete pictogram is displayed for 5
seconds, then the control unit returns to
the operating screen.
The fuel oil stock indicator can be
accessed:
Nozzle calibre
(value can be
changed)
Pump pressure
(value can be
changed)
Quantity of fuel oil
in the tank
(value
can be changed)
Estimating the
quantity of fuel oil
in the tank
(value
calculated)
To do this while the burner is
operating:
• Press and hold button BP1 for at least
5 seconds, then:
To change the nozzle calibre:
• Press button BP1 repeatedly to scroll
through to the desired screen.
• Press BP2 to enter a change in the
pictogram: the figure flashes.
• Increase the value
(in increments of 0.05 US GAL/h) by
repeatedly pressing button
BP1 .
• Confirm by pressing BP2 .
The screen then displays the pump
pressure.
To change the pump pressure value:
• Press BP2 to enter a change in the
pictogram: the figure flashes.
• Increase the value
(in increments of 0.5 bar) by
repeatedly pressing button
BP1 .
• Confirm by pressing BP2 .
The screen then displays the quantity of
fuel oil in the tank (N.B.: quantity in the
tank at the time of delivery)
To change this:
• Press BP2 to enter a change in the
pictogram: the figure flashes.
• Enter the value (4 figures from 0 to 9)
by repeatedly pressing BP1 .
• Confirm by pressing BP2 .
The screen then displays an estimate of
the quantity of fuel oil in the tank. This
value will change over time according to
the values entered above.