ALHENA TECH K 50
Installer menu [SERVICE]
ONLY QUALIFIED PERSONNEL CAN ACCESS THE SERVICE MENU AND MODIFY PARAM-
ETERS.
Access the Main menu [MENU] with the button
Follow the path installer menu [Service] >enter the Password 1234 (see fig. 17). Confirm with
the button
.
Parameter modification menu [TSP]
Press the heating buttons to scroll the list, press the button
press the DHW buttons, confirm with the button
Table 11- Transparent Parameters Table
Index Description
b01 Boiler type selection
b02 Exchanger type
b03 Gas type
System water pressure pro-
b04
tection selection
b05 Summer/Winter mode
Variable input contact ope-
b06
ration selection
Relay card LC32 operation
b07
selection
b08 Not implemented
b09 Fault 20 status selection
b10 Not implemented
b11 Hot water tank preparation
b12 Hot water tank priority
b13 Heating priority
b14 DHW factor (not used)
b15 Not implemented
b16 Not implemented
b17 Not implemented
b18 Not implemented
b19 Not implemented
EN
Range
2 = HEATING ONLY with HOT WATER TANK (DO NOT
MODIFY)
1 = Do not use
2 =
28 kW
3 =
34 kW
4 = Do not use
5 = Do not use
6 = Do not use
7 = Do not use
0 = Natural gas
1 = Liquefied gas
2 = Propane-air
0 = Pressure switch
1 = Pressure transducer
0 = WINTER - SUMMER - OFF
1 = WINTER - OFF
0 = Comfort activation with contact closed
1 = System thermostat
2 = Second room thermostat
3 = Warning/Alert
4 = Safety thermostat
0 = External gas valve
1 = Alarm
2 = System filling solenoid valve
3 = Solar 3-way valve
4 = Second heating pump
5 = Alarm2
6 = Burner lit
7 = Frost protection On
--
0 = Deactivated
1 = Enabled (only for versions with pressure transducer)
--
0 = Fixed primary (P44)
1 = Linked to DHW Setpoint (P51)
0 ÷ 255 min
0 ÷ 255 min
0 - 1
--
--
--
--
--
cod. 3542A220 - Rev 01 - 07/2022
.
to display the value. To modify,
or cancel with the button
.
Default
2
1 = /
2 =
28 kW
3 =
34 kW
4 = /
5 = /
6 = /
7 = /
0
1
0
2
0
24
0
--
0
30
15
0
3
--
--
25
20
305