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IMPORTANT: If Calibration function does not complete, verify unit did not shut down for over-temperature.
Repeat Automatic Calibration. Replace KEY if Automatic calibration does not complete after second try.
During initial ignition, burner may not ignite. This may cause boiler to shut down until any air in gas pipes is
vented. Repeat ignition procedure until gas reaches the burner. To reset boiler operation, press
2 seconds.
9.9 Manual Calibration Function:
Manual Calibration phase starts at the end of the Automatic Calibration.
The Display shows the boiler power and adjustment of the CO2 value (parameter setting) during Manual Calibration sequence.
The process begins at minimum power.
A. After Automatic Calibration sequence with
combustion by pressing
B. When minimum power combustion is in the specified range, press
C. Press
to adjust ignition power combustion. Press
D. When ignition power combustion is in the specified range, press
E. Press
to adjust maximum power combustion. Press
F. When maximum power combustion is in the specified range, press
IMPORTANT INFORMATION
A.
If venting or gas recognition function is interrupted by power blackout, start function again when power is restored.
Press
and
If display shows fault E118 (low pressure in hydraulic circuit) during venting function, open filling tap on appliance and
B.
restore correct pressure.
C. If gas recognition function is interrupted due to fault (e.g.: E133 no gas) press
(for at least 6 seconds) to restart the function again. If gas recognition function is interrupted due to overheating, restart
function by pressing and holding down together for at least 6 seconds.
D. Combustion of this appliance has been factory controlled, calibrated and set for operation with Gas A (Natural Gas).
E.
During Gas Type Control Function, combustion ratio will increase for a short period of time while gas type is being
established.
9.10 De-Aeration Function
Used to eliminate air inside the heating circuit when boiler is installed or after maintenance when water is drained from primary
circuit.
1.
Press buttons
2.
The electronic board will activate pump on/off cycle for 10 minutes. Function will automatically stop at end of the cycle.
3.
To manually exit this function, press
9.11 Commission Set Up (Gas) - Changing The Type Of Gas
During the first installation boiler carries out an automatic commissioning function.
The system is able to detect the gas type present in the network.
Correct gas type setting, is made by pressing two buttons at the same time, see
section 9.6 Commissioning.
Change of gas type is made after the first installation:
• Change parameter P02. See section 9.6 Commissioning and section 9.13
Parameter Settings.
• Check minimum gas pressure is suitable for selected gas:
Gas A (NG) = 3.5" (8.7mbar)
Gas E (LPG) = 8.0" (19.9mbar)
• Place supplied label with indication of gas type close to the data plate of
boiler replacing the original.
• Manufacturer recommends verification of CO2 concentration on the flue.
to lower % CO
, and
2
together and hold at same time for at least 6 seconds.
together and hold for 6 seconds. On appears on display for a few seconds, followed by program row 312.
buttons together and hold for 6 seconds.
NOTICE
NOTICE
flashing together on the display, you can adjust minimum power
to raise % CO
.
2
and then
to lower % CO
, and
2
and then
to lower % CO
, and
2
to exit Manual Calibration Function.
45
240012485 REV C [06/30/2019]
to reach ignition power.
to raise % CO
.
2
to reach maximum power.
to raise % CO
.
2
to reset. Then press
FIGURE 9-2 - Gas Inlet Tap - Pi
for at least
and
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