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BOILER
Instant with deviator valve
and flowmeter
Instant with deviator valve,
flowmeter and solar combination
D.H.W. tank with
deviator valve and boiler sensor
vers. T (LOW INERTIA)
On board D.H.W. tank with
deviator valve and D.H.W. sensor
(LOW INERTIA)
Remote D.H.W. tank with deviator
valve and D.H.W. thermostat
or heating only vers. T/R boiler
(LOW INERTIA)
On board D.H.W. tank with
double pump and D.H.W. sensor
vers. T/R boiler
(LOW INERTIA)
On board D.H.W. tank with
double pump and D.H.W.
thermostat vers. T/R boiler
(LOW INERTIA)
Heating only with
antifreeze sensor
(LOW INERTIA)
NOTE: the inside of the upper door of the
boiler panel has a label with the values
that have to be set for PAR 1 and PAR 2
(fig. 19).
3.3.2
Warning
Should the boiler operation not be optimal
but no alarm sets off, press the button
until info 70 and the warning code
associat ed t o t he ongoing event ar e
displayed.
Once optimal operation is restored, info 70
will display: "- -".
Below is the table of warning codes:
CODE
DESCRIPTION
E0
Reduced capacity operation
(∆t between delivery and return
over 40°C)
E1
Shorted external sensor (SE)
E2
Preheating function active
E3
TBD
E4
TBD
E5
TBD
E6
TBD
E7
TBD
E8
TBD
E9
TBD
52
PAR 2
1
EXPANSION CARD
2
PAR DESCRIPTION
40
Number of expansion boards
3
41
Mix valve stroke time
42
Priority of D.H.W. over mixed zone
43
Floor drying
4
5
44
Type of solar system
∆
45
t solar collector pump 1
46
Solar integration delay
47
Tmin solar collector
48
Tmax solar collector
6
PARAMETERS RESTORATION
PAR DESCRIPTION
8
49 * Reset default parameters
(par 01 - par 02 = "-")
9
* In case of difficulty in understanding the current setting or in case of an anomalous or
incomprehensible conduct of the boiler, we suggest to restore the initial values of the parameters
setting PAR 49 = 1 and the PAR 1 and PAR 2 as specified at point 3.3.1.
CASCADE CONNECTION PARAMETERS
When the appliance is installed in sequence/cascade (modular
system with several generators) it is necessary to set on all the
boilers the following INST PAR parameters:
PAR 15 =
Set the following INST parameter if polypropylene smoke collec-
tors with a clapet valve are used in sequence/cascade installa-
tions:
PAR 1
=
In addition, when the number of boilers in cascade is more than
two, configure the parameters OEM A1 of the MASTER boiler.
To access the OEM parameters press simultaneously the buttons
(
and
simultaneously he buttons (
this point insert the access code formed by this sequence of
INSTALLATOR BUTTONS: " + / - / < / > / < ".
Set the parameter:
PAR A1 =
PARAMETERS INSTALLER
RANGE
0 ... 3
0 ... 199
0 = Paralle
1 = Absolute
0 = No activated
1 = Curve A
2 = Curve B
3 = Curve A+B
1 ... 8
PAR 74 OEM - 1... 50
"--", 0 ... 199
"--", -30 ... 0
"--", 80 ... 199
RANGE
-- , 1
0 for the first boiler (MASTER)
1 .... 7 for the other boilers (SLAVE)
(Avoid assigning the same number to SLAVE boilers)
6 (for NATURAL GAS boilers)
14 (for PROPANE boilers)
) for 2 seconds. Entered in the INST level again press
and
Number of cascade generators (3 ... 8)
UNIT OF
INC/DEC
DEFAULT
MEASUREMENT
UNIT
SETTING
=
1
10 sec.
1
=
=
=
=
=
1
°C
1
Min.
1
°C
1
°C
1
UNIT OF
INC/DEC
DEFAULT
MEASUREMENT
UNIT
SETTING
=
=
) for another 2 seconds. At
0
12
1
0
1
8
0
- 10
120
=
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