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14
- turn the heating water temperature selector to set the desired
value
- press the CO button and move on to the next parameter setting.
CN6
CN5
CN12
1
JP1
JP2
JP3
JP4
JP5
JP6
JP7
JP8
CN15
P2
P1
CN13
SW1
P4
CO button
9
Live electrical parts (230 Vac).
The following icons are displayed:
1.
during absolute/domestic maximum calibration
during the minimum calibration
during the maximum heating calibration
during the slow ignition calibration confirm the adjustment
code by pressing the ENTER key.
End the procedure by removing the JP1 and JP3 jumpers to store
the set values.
The function can be terminated at any time without saving the set
values while maintaining the initial ones:
- removing jumpers JP1 and JP3 before all 4 parameters have
been set
- turning the mode selector to
OFF/RESET
- removing the mains voltage 15 minutes after its activation.
9
The calibration does not entail the ignition of the boiler.
9
By rotating the heating setpoint selector knob, the number of
rotations expressed in hundreds (e.g. 25 = 2500 rpm) is auto-
matically displayed.
The calibration parameter display function is activated with the
selector on summer or winter and pressing the CO button on the
card regardless of whether or not there is a heat request. The
function cannot be activated if a remote control is connected.
When this function is activated, the calibration parameters each
appear (in the order shown below) for 2 seconds. The relative icon
is indicated in line with each parameter, and the fan rotation value
expressed in hundreds.
1. Maximum
2. Minimum
3. Maximum heating
4. Slow ignition
5. Maximum heating adjusted
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- Power the boiler
- Open the gas tap
- Turn the mode selector to
OFF/RESET (display off)
- Remove the housing and turn the instrument panel (refer to
previous chapters for the detail of the figures)
- Undo the fixing screws of the cover to access the terminal board
- Press the “CO” button once.
9
Live electrical parts (230 Vac).
- Wait for the burner to fire. “ACO” is displayed. The boiler operates
at the maximum heating output. The "combustion analysis"
function remains active for 15 min. If an inlet temperature of
90°C is reached the burner turns off. It will ignite again when the
temperature falls below 78°C.
- Remove the screw and the cover on the air distribution box
- Insert the flue gas analysis probe into the sockets provided on
the air box
- Press the “combustion analysis” button a second time to reach
the number of revolutions that corresponds to the maximum
domestic hot water output (
WDEOH
).
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71
70
rpm
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71
70
- Check the CO
2
value (
WDEOH
): if the value does not comply with
the indications in the table act on the gas valve max adjustment
screw.
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- Press the “combustion analysis” button a third time to reach the
number of revolutions that corresponds to the minimum output
(
WDEOH
).
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21
21
rpm
- Check the CO
2
value (
WDEOH
): if the value does not comply with
the indications in the table act on the gas valve min. adjustment
screw.
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40
40
rpm
Adjustment screw
minimum output
Adjustment screw
maximum output
9
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- To exit the "combustion analysis" function, turn the mode selector
to the required position.
- Pull out the flue gas analysis probe and replace the plug.
- Close the instrument panel and reposition the cover
- The "combustion analysis" function is automatically disabled if
the card generates an alarm. In the event of an anomaly during
the combustion analysis phase, perform the reset procedure.
