85
EN
Type
No.
Description
Range
U/M
Step
Default
tS
2.1
Minimum power heating/domestic hot water
(premixed)
0 .. 100
%
1
0
tS
2.2
Domestic hot water preheating enabling
0 = OFF
1 = ON
-
1
0
tS
2.5
Auxiliary TA function
0 = according to TA
1 = TA Antifreeze
2= domestic hot water disabled
-
1
0
tS
2.6
Zone Valve / Pump Relaunch Delay
0 .. 99
Min
1
1
tS
2.8
DHW activation delay with solar power
0 .. 30
Min
1
0
tS
2.9
Anti-legionella Function (Only hot water tank)
-- = Disabled
50 .. 80
-
1
--
tS
3.0
Maximum domestic hot water temperature
35 .. 67
°C
1
60
tS
3.5
Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer
2 = water pressure transducer (only pressure
displayed)
-
1
0
tS
3.9
Modulating pump minimum speed
20 .. 100
%
1
30
tS
4.0
Modulating Pump Speed
-- = No modulation
AU = Automatic 30 .. 100
%
10
AU
tS
4.1
∆
T Modulating pump delivery/Return
10 .. 40
°C
1
20
tS
4.2
Select heat pump or boiler convenience (only if
tS 0.2 = 6)
-20 .. 30
°C
-
5
tS
4.3
Heat pump boiler aid activation delay (only if tS
0.2 = 6)
1 .. 180
Min
-
20
tS
4.7
System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
-
1
0
RESET
tS
4.8
INST Parameter set to default
0 .. 1
-
-
0
In the event of a fault/malfunction the message
"AL"
will appear
on the display alternating with the alarm number eg.
"AL 04"
(Domestic Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting the
main switch to "OFF"
OFF
Fig. 31
– 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 RESET (see
figure), press the button
o
(
R
) for approximately 3 seconds
to start the appliance up again.
Содержание BRAVA ONE HE ErP
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