302
EN
cod. 3542A221 - Rev 00 - 10/2022
ALHENA TECH K 50
IMPORTANT
B
During the CALIBRATION PROCEDURE [AUTO SET-
UP], the TEST PROCEDURE [Test] or during the CO
2
VALUE CHECK, the PANEL OF THE SEALED CHAM-
BER must be CLOSED and the INTAKE/FUME DIS-
CHARGE DUCTS fully 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
and
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 Set-
up]
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
(fig. 38).
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.
8.If the ignition sequence described in point
“6”
is not successful, the message
max_err
at point
and an error code at
point
will appear (fig. 38).
9.Exit with the button
and unlock the boil-
er.
Repeat the sequence from point
“1”
.
fig. 38
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).
a
a
c
AUTO SETUP
Step:
Power:
CH temp:
Alarm:
max ...
-- %
22°
none
a
c
Summary of Contents for ALHENA TECH 28 K 50
Page 217: ...B 217 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 8 8...
Page 223: ...223 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 FH Fh Stop 10 0 FH 2 Stop...
Page 234: ...234 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 2 2 1 2 2 B 2009 142 5 C 15 C A 2 3 B...
Page 237: ...237 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 2 5 B B 3 mm 3A...
Page 238: ...238 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 B HAR H05 VV F 3x0 75 mm2 8 mm B 230 V...
Page 241: ...241 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 2 6 B 200 Pa H1 C AUTO SE TUP...
Page 247: ...247 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 B 2 7 B 0 5 lt B 37...
Page 256: ...256 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 3 3 B B 1 1 41 2 41 2 3 1 1...
Page 257: ...257 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 1 42 42 1 bar venturi OK NO 1 1...
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