42
NOTICE
All connections shall be made and water added before
performing this function.
9.6 Commissioning
When lighting the boiler for the rst time perform the following
procedure:
1.
Turn power to boiler on. Code "000" appears on the
display. Appliance is ready for "commissioning" procedure.
2.
Press at the same time. Hold for 6 seconds. "On"
appears on the display for 2 seconds followed by code
"312" indicating "de-aeration" function is active. This
function lasts 10 minutes.
3.
Boiler will turn on after dearation function is complete.
Display will show code "000" alternating with % of
ignition power and temperature value (°F / °C).
• During this gas recognition function phase which
lasts about 7 minutes, type of gas being used is
analyzed.
• During this function, assure maximum heat exchange
to heating or DHW system (domestic hot water
demand) by having all heating zones open or all
domestic hot water taps open, in order to prevent
boiler from switching off due to overheating.
• If boiler operates on Gas A (Natural Gas), display
shows NG (Natural Gas) for about 10 seconds. Boiler
is now ready for normal operation.
• If display shows LPG (Gas E), press and
together and hold down for at least 4 seconds to exit
without changing factory setting. Boiler will stay set to
Natural Gas.
• If boiler operates on Gas E (LPG) display shows LPG
(Gas E). Press for at least 6 seconds to conrm gas
used.
• If display shows NG (Gas A) and does not recognize
the type of gas used, press and together and
hold down for at least 4 seconds to exit the function.
Then change parameter P02=01 as described in
section 9.12 Parameter
Settings
of boiler Installation,
Operation and Maintenance Manual.
9 - START UP PROCEDURE
NOTICE
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 for at least
2 seconds.
NOTICE
First ignitions immediately after installation, system will
implement a self-learning procedure to reach correct
ignition level.
IMPORTANT INFORMATION
A. If venting or gas recognition function is interrupted
by power blackout, start function again when power is
restored. Press and together and hold at same
time for at least 6 seconds.
B. If display shows fault E118 (low pressure in hydraulic
circuit) during venting function, open lling tap on
appliance and restore correct pressure.
C. If gas recognition function is interrupted due
to fault (e.g.: E133 no gas) press to
reset. Then press and (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.
9.7 Calibration Function:
Boiler must be in stand by mode (no requests) before
initiating the function.
The function consists of an automatic sequence and a manual
sequence.
Automatic Sequence
a. Press together for 6 seconds the and buttons
and then within 3 seconds the button. After 6
seconds it is possible hear a 'click' of the gas valve
and see 'On' on the display;
b. The function is active if and blink together;
c. After ignition (also more than one attempt) the boiler
works at maximum power for at least 1 minute, then
at the ignition power, and at the end at minimum
power. When the display shows and icons it
means the value of the curve has been stored. During
the function the display shows the power level and
ow temperature alternately.
Note
Boiler must not shutoff during calibration.
Open all heating zones in heating or DHW
mode to ensure boiler does not shutoff.
240011947 REV B, [03/31/2018]
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