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INSTALLATION
Display
Menu Par.
visualis-
Description
No.
ation
Hx Diff.
Defines the restart time after reaching the Delta T
M1
13
Max. Wait
limit between delivery and return.
Time
Max.
M1
14
Sets the heating's % max. power.
Power CH
Min.
M1
15
Power
Sets the heating's % min. power.
CH/DHW
Defines the proportional parameter for modulation
M1
16
CH PID P
during heating operation.
Defines the modulation integral term during heating
M1
17
CH PID I
operation.
Defines the modulation derivative term during heat-
M1
18
CH PID D
ing operation.
Design
Defines the max. set-point at the minimum outdoor
M1
19
Supply
temperature for climatic regulation.
Temp.
Design
Defines the minimum outdoor temperature to which
M1
20
Outdoor
the maximum set-point can be associated for climat-
Temp.
ic regulation.
Baseline
Defines the minimum set-point at the maximum
M1
21
Supply
outdoor temperature for climatic regulation.
Temp.
Baseline
Defines the maximum minimum outdoor tempera-
M1
22
Outdoor
ture to which the minimum set-point can be associ-
Temp.
ated for climatic regulation.
Design
Limits the minimum value that can be assigned to the
M1
23
Supply
set-point in heating mode (does not apply to heating
Min. Limit
mode 4).
Design
Limits the maximum value that can be assigned to
Supply
M1
24
the set-point in heating mode (does not apply to
Max.
heating mode 4).
Limit
Warm
Defines the temperature at which climatic regulation
M1
25
Weather
is switched off.
Shutdn
Establishes the set-point temperature increase delta
Boost
T, if the heat demand in heating mode is not satisfied
M1
26
Temp In-
after the time interval specified in Par. 27 (applies
crement
only to stand-alone mode).
Boost
Defines the time interval after which the set-point is
M1
27
Time
increased as defined in Par. 26 (applies only to stand-
Delay
alone mode).
Used in heating mode Par. 1= 2 or 3. Establishes by
Night
how many degrees the delivery set-point is reduced
M1
28
Setback
when the RT (room thermostat/heat demand) contact
Temp.
is closed.
Establishes the domestic hot water circuit's operation
mode.
DHW
M1
35
0 = Disabled
mode
1 = Tank + sensor
2 = Tank + thermostat
Max.
Defines the domestic hot water circuit's % max.
M1
113
Power
power.
DHW
Min.
Defines the domestic hot water circuit's % minimum
M1
114
Power
power.
DHW
DHW Tank
Defines the hysteresis to initiate the domestic hot
M1
36
Hyst.
water demand.
Down
DHW Tank
Defines the hysteresis to stop the domestic hot water
M1
37
Hyst. Up
demand.
DHW Tank
Defines the primary circuit's set-point increase in
M1
38
Supply
degrees compared to the temperature set for the
Extra
domestic hot water tank.
DHW Tank
Defines the primary circuit's restart hysteresis in
M1
39
Supp Hyst
modes 1 and 2 of domestic hot water (valid both for
Dn
cascade and stand-alone applications).
Default
Access
Range
UM
setting
type
10...250
30
Sec.
O
50...100
100
%
I
1...30
1
%
I
0...1275
100
O
0...1275
250
O
0...1275
0
O
30...90
80
°C
U
-25...25
0
°C
U
30...90
40
°C
I
0...30
20
°C
I
4...82
30
°C
I
27...90
80
°C
I
0...35
22
°C
I
0...30
0
°C
I
1...120
20
Min.
I
0...30
10
°C
I
0,1,2
0
I
50...100
100
%
I
1...30
1
%
I
0...20
5
°C
I
0...20
5
°C
I
0...30
15
°C
I
0...20
5
°C
O
60
Display
Menu Par.
Category
visualis-
No.
ation
DHW Tank
Defines the primary circuit's shut-off hysteresis in
M1
40
Supp Hyst
modes 1 and 2 of domestic hot water (valid both for
General
Up
Defines the value of a storage cylinder's delta T
Heating
required for temperature maintenance. For instance,
if set at 3 degrees, when the storage cylinder is at a
DHW Tank
set-point value minus 3 degrees, the thermal module
Heating
M1
41
Hold
is switched on at minimum power to maintain the
Warm
temperature to the set-point plus hysteresis. If this
parameter is kept the same as Par. 36, this function
Heating
is inactive and the thermal module is switched on to
the maximum power envisaged for the DHW circuit.
Heating
0 = Time: time priority between the two circuits de-
Heating
DHW
M1
42
Priority
Heating
3 = Parallel: parallel priority managed on the basis
of the primary circuit's temperature compared to the
Heating
DHW
Establishes the time in minutes during which priority
Max.
M1
43
is alternatively allocated to the DHW and CH circuits
Priority
Time
Heating
Establishes the overrun time in seconds for the
DHW
domestic hot water mode with the boiler in stand-
M1
44
Pump
alone operation; cascaded operation defines the
Heating
Overrun
module's overrun after switch-off due to thermoreg-
DHW Tank
Defines the proportional term for modulation during
Heating
M1
45
PID P
DHW Tank
Defines the integral term for modulation during op-
M1
46
PID I
Heating
DHW Tank
Defines the derivative term for modulation during
M1
47
PID D
DHW tank
M1
48
Establishes the DHW storage tank set-point.
Heating
set-point
Fan
Speed
Defines the number of fan rpm at max. power (it
M1
92
Maxi-
depends on the model and is defined at Par. 98).
Heating
mum
Fan
Defines the number of fan rpm at minimum power (it
M1
93
Speed
depends on the model and is defined at Par. 98).
Heating
Minimum
Fan
Defines the number of fan rpm when the boiler is
M1
94
Speed
switched on (it depends on the model and is defined
Ignition
Heating
The value of this parameter is defined by Par. 97.
Prog.
M1
116
Input 1.
DHW
The value of this parameter is defined by Par. 97.
Prog
M1
117
Input 2.
DHW
The value of this parameter is defined by Par. 97.
DHW
Prog
M1
118
Input 3.
DHW
The value of this parameter is defined by Par. 97.
Prog
M1
120
Input 5.
DHW
The value of this parameter is defined by Par. 97.
DHW
Prog
M1
121
Input 6.
DHW
Description
Range
0...20
cascade and stand-alone applications).
0...10
Defines the priority type:
fined by Par. 43;
1 = Off: priority for CH;
0...3
2 = On: priority for DHW;
heating circuit's set-point.
1...255
when Par. 43 is set to "time" mode.
0...900
ulation.
0...1255
operation of the DHW storage tank.
0...1255
eration of the DHW storage tank.
0...1255
operation of the DHW storage tank.
40...71
0...12750
0...12750
0...12750
at Par. 98).
0 = Disabled
1 = Water pressure sensor
0,1,2,3
2 = CH flow switch
3 = Flue pressure switch
0 = Disabled
1 = DHW flow sensor
0,1,2,3
2 = DHW flow switch
3 = CH flow sensor
0 = Disabled
0,1,2
1 = Drain switch
2 = Gas pressure switch
0 = Disabled
0,1,2
1 = T_Return sensor
2 = Extern switch
0 = Disabled
1 = T_Flue sensor
0,1,2,3
2 = Flue switch
3 = APS switch
61
INSTALLATION
Default
Access
UM
Category
setting
type
5
°C
O
DHW
5
°C
O
DHW
2 = On
I
DHW
30
Min.
I
DHW
60
Sec.
I
DHW
100
O
DHW
500
O
DHW
0
O
DHW
50
°C
U
DHW
Defined by
RPM
I
General
Par. 98
Defined by
RPM
I
General
Par. 98
Defined by
RPM
I
General
Par. 98
Defined by
I
General
Par. 97
Defined by
I
General
Par. 97
Defined by
I
General
Par. 97
Defined by
I
General
Par. 97
Defined by
I
General
Par. 97
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