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 temper-
ature
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)
-20 .. 30
°C
-
5
PAR
43
Heat pump boiler aid activation delay
(only if PAR 02 = 6)
1 .. 60
Min
-
3
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"
OFF
Fig. 47
– as a precautionary measure, close the gas isolation valve.
Resolve the problem 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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