74
EN
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 35 .. 67 °C 1 60
PAR 35 Digital / analogue Pressure switch
0 = water pressure
switch
1 = water pressure
transducer
2 = water pressure
transducer (only pres-
sure displayed)
- 1 1
PAR 40 Modulating Pump Speed
-- = No modulation
AU = Aut
omatic 30
.. 100
% 10 AU
PAR 41 ∆T Modulating pump delivery/Return 10 .. 40 °C 1 20
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 appear
on the display with the alarm number eg.
"ALL 04"
(Domestic Hot
Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting the
main switch to "OFF"
Fig. 40
– 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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