Lamborghini Caloreclima ALHENA TECH H Serie Instrucciones De Uso, Instalación Y Mantenimiento página 331

ALHENA TECH H
IMPORTANT
During the CALIBRATION PROCEDURE [AUTO SE-
B
TUP], the TEST PROCEDURE [TEST] or during the
CO VALUE CHECK, the FRONT PANEL must be CLO-
2
SED and the INTAKE/FUME EXHAUST DUCTS com-
pletely assembled. Also, the boiler must not be in OFF
mode or in vent cycle mode "FH-Fh" (see detail C of
fig. 11) and there must not be a DHW or heating circuit
request.
Calibration procedure [AUTO SETUP]
1.Access the parameters menu[TSP].
2.Select parameter b27 with the
heating buttons and set it to 5 with the
and DHW buttons.
Confirm with the button
Return to the main menu[MENU].
3.Return to the installer menu [Service]
>enter the Password 1234 (see fig. 17).
Now the menu for calibration[Auto Se-
tup] is also displayed.
4.Select it and confirm with the button
5.The procedure starts automatically finding
the optimal ignition point (a few ignition
attempts are required to determine the
exact point).
6.After ignition, the burner goes to heating at
the various powers (max, med, min) indi-
cated by point
If the system heat dissipation is not suffi-
cient to end the procedure, a DHW re-
quest can be activated only after the
burner has ignited.
7.At the end of the calibration sequence
[Completed] will be displayed for a few
seconds and then return to the Service
menu.
The calibration procedure [Auto Setup] can only be performed if parameter b27 is set to 5.
Parameter b27 can be set manually to the value 5, or by:
•changing the parameter "gas type" b03.
•setting parameter P67 to 1.
•changing the value of parameter P68.
•doing "Restore Factory Values" with the parameter b29=10 (after carrying out this operation,
disconnect and reconnect the power supply for about ten seconds).
In each of the above cases, b27 automatically changes to 5.
It is necessary to perform the calibration procedure [Auto Setup] in the following cases:
•after replacing the PCB
•after changing the gas (b03)
EN
and
.
(fig. 39).
a
cod. 3541V622 - Rev 00 - 05/2022
8.If the ignition sequence described in point
"6" is not successful, the message
max_err at point
point
c
9.Exit with the button
ler.
Repeat the sequence from point "1".
AUTO SETUP
.
Step:
Power:
CH temp:
Alarm:
and an error code at
a
will appear (fig. 39).
and unlock the boi-
a
max ...
-- %
22°
c
none
fig. 39
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