72
EN
7.4 List of parameters
Type No. Description Range U.M. Step Default
CONFIGURATION
tS 0.1 Hydraulic system 0 = monothermic - - 0
tS 0.2 Type of gas
0 = G20
1 = G30/G31
- 1 0
tS 0.3 DHW Configuration (ACS)
0 = Flow switch
1 = flow meter
- 1 1
tS 0.4 Climatic curve selection (K coeff.) 1,0 .. 3,0 - 0,1 2.0
tS 0.5
Anti frequent cycles function - Central heating
reignition temperature
0 .. +10 min 1 3
tS 0.6 Storage tank set-point type (not used) 1 - - 1
tS 0.7 Boiler type 1 = sealed - - 1
DOMESTIC HOT WATER - HEATING
tS 0.8 Temperature Mode (ACS)
0 = fixed at 67°C
1 = ACS setpoint set
- 1 0
tS 0.9 Ignition power 0 .. 40 % 1 40
tS 1.0 Heating Maximum Output 0 .. 100 % 1 100
tS 1.1 Maximum Power Domestic Hot Water 0 .. 100 % 1 100
tS 1.2 Minimum Central Heating Power 0 .. 100 % 1 0
tS 1.3 Minimum Domestic Hot Water Power 0 .. 100 % 1 0
tS 1.4 Minimum Central Heating T.set 20 .. 40 °C 1 20
tS 1.5 Maximum Central Heating T.set 40 .. 80 °C 1 80
tS 1.6 Maximum Domestic Hot Water T.set 60 °C 1 60
tS 1.7 Calibrating the gas valve
5 = Full
0 = Partial
- 1 0
tS 1.8 Domestic hot water modulation with Flow meter
0 = modulation with Flow switch
1 = modulation with Flow meter
- 1 1
7.5 Display alarms/faults that have occurred
This function allows the displaying, with the alarm index number,
of which malfunctions have occurred over time and been saved.
To activate this function:
– turn dial
t
to select the
l
symbol (“SUMMER mode”)
OFF
RESET
Fig. 51
– press
>
and
<
at the same time for at least 5 seconds until the
screen displays "0.1" (index number of 1st error). The order
of the errors shown goes from the most recent to the most
distant
– press
>
and
<
at the same time for at least 5 seconds to exit
Display alarms/faults that have occurred.
7.6 Checks and adjustments
7.6.1 Chimney sweeper function
The chimney sweep function makes the boiler operate at
maximum power (
Hi
on the display) or minimum power (
Lo
on
the display).
The chimney sweep function is used by the qualified maintenance
technician to check that the gas pressure at the nozzles is
correct (the front panel (2) MUST be open) and to detect the
combustion parameters (the front panel (2) MUST be closed).
This function lasts 15 minutes and is activated by proceeding
as follows:
– if the panel (2) has not already been removed, remove the
two screws (1), pull the front panel (2) forwards and release it
from the top by lifting it
1
2
Fig. 52
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