COMMISSIONING
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Press OK.
The display shows only in case of gas changeover at rst
ignition:
Check that the gas valve selection screw
is set in position 1 for NG and G230, 2 for LPG.
Press OK. The display shows:
Press the Ok button to start the automatic calibration
function otherwise Esc to skip the procedure.
• Press OK to enable the
Automatic Calibration.
The procedure takes a few
minutes.
If the calibration is nalized,
the boiler returns
to the main screen.
• Start the boiler by selecting the heating or domestic hot
water operation using the Mode button.
3. ACTIVATION OF THE DISAERATION PROCEDURE AND
AUTOMATIC CALIBRATION
• Switch on the boiler (by pressing the ON/OFF button) and
use the Mode button to select the standby mode, where no
hot water or heating
requests are made.
The display asks to
start the deaeration and
calibration procedure.
• Press the OK button.
The display shows:
“Attention, this procedure can be performed only by
qualied personnel. To proceed, press OK button for 5
seconds”
• Press OK for 5 seconds. The display shows:
System air purge
“The function activates the air-purge cycle of system. To
start the cycle, press “OK” button (advised) otherwise
“ESC”.
• Press OK.
Press the OK button.
The boiler will start a
deaeration cycle lasting
about 7 minutes (See below).
If you need to stop it press
MODE. During the deaeration
cycle open the manual air
vent (2) on the heat exchanger and close when clear water
free of air is visible.
At the end, check that the system is completely deaerated
and, if not, repeat the procedure.
The display shows:
“If air is still present inside the system, start again the air
purge cycle (OK button); otherwise press the exit button
(ESC button).”
• Verify that the system pressure is at least 1 bar on the
pressure gauge. Open the lling valve if pressure is not
sufcient and close as soon as it reaches 1 - 1.5 bar
Note! If pressure in the
heating circuit decreases,
the display shows
Malfunction warning
1P4 (parameter 241 - alert
pressure).
If the pressure falls below
the alarm value
the display will show the
Error 108. Open the
lling valve and close as
soon as it reaches 1 - 1.5
bar.
IN THESE CASES, THE PROCEDURE IS INTERRUPTED.
AFTER FILLING THE SYSTEM THE DISPLAY REQUESTS TO
START AGAIN THE SYSTEM AIR PURGE AND AUTOMATIC
CALIBRATION .
Start the System air purge
and automatic calibration procedure
Press Ok to confirm
Warning 1P4
Filling Needed
ALERT
Airpurge active
• After the system air purge the
display shows the gas set from
factory.
Enter the type of gas used (if
necessary), press the button b >
to select:
0 = Natural gas (factory setting)
1 = LPG (*)
2 = G230 (only for Italy)
3 = DO NOT USE
4 = NGS (only for Romania)
DO NOT USE FOR COMMISIONING
CAUTION
IF THE CALIBRATION
PROCEDURE IS NOT
COMPLETED THE
DISPALY SHOWS “UNCOMPLETED
CALIBRATION” AND AN ERROR CODE (see table B) FOR 10
SECONDS.
FOLLOWS THE REQUEST TO ACTIVATE THE PROCEDURE
AGAIN.
PRESS OK AND REPEAT
CALIBRATION.
IF AN ERROR IS STILL
REPORTED, CONTACT A
QUALIFIED TECHNICIAN.
Completed calibration
00/00/00
Press OK to enter Menu
00:00
42°
70°
1,5 bar
Automatic calibration active
Automatic calibration
0
The current gas type set is:
Natural Gas
(*) THE BOILER IS FACTORY
SETTED ON NATURAL GAS
(G20).
IF IS NECESSARY TO
CHANGE GAS TYPE
DURING THE FIRST
AUTOMATIC CALIBRATION
TURN THE SCREW TO POSITION 2 FOR LPG.
POSITION 1 = NATURAL GAS
POSITION 2 = LPG
Uncompleted calibration
01 - Flow Check Failed
Start the System air purge
and automatic calibration procedure
Press Ok to confirm
26/10/21 17:00
Fault 108
Filling Needed
ALERT
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