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:
60
PARAMETERS INSTALLER
EXPANSION CARD
PAR DESCRIPTION
RANGE
UNIT OF
INC/DEC
DEFAULT
MEASUREMENT
UNIT
SETTING
40
Number of expansion boards
0 ... 3
=
1
0
41
Mix valve stroke time
0 ... 199
10 sec.
1
12
42
Priority of D.H.W. over mixed zone
0 = Paralle
=
=
1
1 = Absolute
43
Floor drying
0 = No activated
=
=
0
1 = Curve A
2 = Curve B
3 = Curve A+B
44
Type of solar system
1 ... 8
=
1
1
45
∆
t solar collector pump 1
PAR 74 OEM - 1... 50
°C
1
8
46
Solar integration delay
“--”, 0 ... 199
Min.
1
0
47
Tmin solar collector
“--”, -30 ... 0
°C
1
- 10
48
Tmax solar collector
“--”, 80 ... 199
°C
1
120
PARAMETERS RESTORATION
PAR DESCRIPTION
RANGE
UNIT OF
INC/DEC
DEFAULT
MEASUREMENT
UNIT
SETTING
49 * Reset default parameters
-- , 1
=
=
=
(par 01 - par 02 = “-“)
* 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 =
0 for the first boiler (MASTER)
1 .... 7 for the other boilers (SLAVE)
(Avoid assigning the same number to SLAVE boilers)
Set the following INST parameter if polypropylene smoke collec-
tors with a clapet valve are used in sequence/cascade installa-
tions:
PAR 1 =
8 (for NATURAL GAS boilers)
16 (for PROPANE boilers)
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
) for 2 seconds. Entered in the INST level again press
simultaneously he buttons (
and
) for another 2 seconds. At
this point insert the access code formed by this sequence of
INSTALLATOR BUTTONS: “ + / - / < / > / < “.
Set the parameter:
PAR A1 = Number of cascade generators (3 ... 8)
BOILER
PAR 2
Instant with deviator valve
1
and flowmeter
Instant with deviator valve,
2
flowmeter and solar combination
D.H.W. tank with
deviator valve and boiler sensor
3
vers. T (LOW INERTIA)
On board D.H.W. tank with
deviator valve and D.H.W. sensor
4
(LOW INERTIA)
Remote D.H.W. tank with deviator
valve and D.H.W. thermostat
5
or heating only vers. T/R boiler
(LOW INERTIA)
On board D.H.W. tank with
double pump and D.H.W. sensor
6
vers. T/R boiler
(LOW INERTIA)
On board D.H.W. tank with
double pump and D.H.W.
thermostat vers. T/R boiler
8
(LOW INERTIA)
Heating only with
antifreeze sensor
9
(LOW INERTIA)
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
Summary of Contents for MURELLE EQUIPE 220 BOX
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