41
Type No Description Range U/M Step Default
PAR 25 Auxiliary TA function
0 = according to TA
1 = TA Antifreeze
2 = domestic hot water disabled
- 1 0
PAR 26 Zone Valve / Pump Relaunch Delay 0 .. 99 Min 1 1
PAR 28 DHW activation delay with solar power 0 .. 30 Min 1 0
PAR 29
Anti-legionella Function (Only hot water tank)
-- = Disabled
50 .. 80 - 1 --
PAR 30 Maximum domestic hot water temperature 10 .. 67 °C 1 60
PAR 31 Long chimney 0 .. 50 - 1 0
PAR 35 Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer
(with ALL 09)
2 = water pressure transducer
(without ALL 09)
- 1 1
PAR 39 Modulating pump minimum speed 20 .. 100 % 1 30
PAR 40 Modulating Pump Speed
-- = No modulation
AU = Automatic 30 .. 100
% 10 AU
PAR 41 ∆T Modulating pump delivery/Return 10 .. 40 °C 1 20
PAR 42
Select heat pump or boiler convenience (only if PAR
02 = 6,9,10)
-20 .. 30 °C - 5
PAR 43
Heat pump boiler aid activation delay (only if PAR 02
= 6,9,10)
1 .. 60 Min - 20
PAR 44 Hybrid Wall heat pump delivery safety device 0 .. 80 °C 1 55
PAR 47 System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
- 1 0
RESET
PAR 48 INST Parameter set to default 0 .. 1 - - 0
In the event of a fault/malfunction the message
"ALL"
will ap-
pear on the display with the alarm number eg.
"ALL 04"
(Do-
mestic Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting
the main switch to "OFF"
Fig. 44
– as a precautionary measure, close the gas isolation valve.
Repair the fault and start-up the boiler again.
NOTE:
after having repaired the fault, when the alarm number
appears on the display together with the message
d
(see figure), press the button
y
for approximately 3 seconds
to start the appliance up again.
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