1-5
1-4
9 - IE
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
1.7 ELECTRIC CONNECTION.
The appliance has an IPX5D protection degree,
electrical safety of the appliance is reached only
when it is connected properly to an efficient
earthing system as specified by current safety
standards.
Attention:
Immergas S.p.A. declines any
responsibility for damage or physical injury
caused by failure to connect the boiler to an
efficient earth system or failure to comply with
the reference standards.
Also ensure that the electrical installation
corresponds to maximum absorbed power
specifications as shown on the boiler data-plate.
Boilers are supplied complete with an “X” type
power cable without plug. The power supply
cable must be connected to a 230V ±10% / 50Hz
mains supply respecting L-N polarity and earth
connection;
, this network must also have a
multi-pole circuit breaker with class III over-
voltage category.
To protect from possible dispersions of DC
voltage one must provide a type A differential
safety device.
When replacing the power supply cable, contact a
qualified company (e.g. the Immergas Authorised
After-Sales Technical Assistance Service). The
power cable must be laid as shown (Fig. 1-3).
In the event of mains fuse replacement on the
P.C.B., use a 3.15A quick-blow fuse. For the
main power supply to the appliance, never use
adapters, multiple sockets or extension leads.
TM-MAX/MIN = Selected flow temp. range.
TE = External temperature.
EXTERNAL PROBE
Correction law of the flow temperature
depending on the external temperature
and user adjustments of the central heating
temperature.
• Comando Amico Remoto remote control
electrical connection
V2
(CAR
V2
).
The boiler
only functions if connected to the Comando
Amico Remoto remote control
V2
supplied
as per standard with the boiler. The CAR
V2
must be connected to the + and - IN clamps
and to clamps 44 and 41 on the P.C.B. (in
boiler) observing the polarity and using the
connection cable that comes out of the boiler
and which is appropriately marked (Fig. 1-4).
Connection with the wrong polarity prevents
the CAR
V2
from operating although without
damaging it. The connection to the boiler is
made using wires with a minimum section of
0.50 mm
2
and maximum section of 2.5 mm
2
and with a maximum length of 50 metres.
• External temperature probe electrical
connection.
The boiler only works if it is
connected to the external temperature probe
supplied as per standard with the boiler. Refer
to the relative instruction sheet for positioning
of the external probe. The probe allows to
automatically decrease the maximum system
flow temperature when the outside temperature
increases, in order to adjust the heat supplied to
the system according to the change in external
temperature. The correlation between system
flow temperature and external temperature
is determined by the parameters set in menu
“M5” under item “P66” according to the curves
represented in the diagram (Fig. 1-5). The
electric connection of the external probe must
be made on clamps 38 and 39 on the boiler
P.C.B. (Fig. 1-4).
• Heat pump electrical connection.
The boiler
can be combined with an Immergas heat pump
which must be connected to the boiler as shown
in the wiring diagram (Fig. 1-4).
One must configure some parameters on the
heat pump control panel:
- FCD = 1.
- Cooling set point “SPC”: set the parameter
according to the requirements of the cooling
system.
- Heating set point “SPH”: set a value that
depends on the thermoregulation curve.
It is recommended to adjust the set point
corresponding to the thermoregulation value
at an external temperature of 5 °C.
Configure the boiler parameters as indicated in
paragraph “circuit board programming” (Par.
3.9).
Important:
it is mandatory to prepare separate
lines with different supply voltage; it is essential
to separate the low voltage connections from the
230 V ones. All boiler pipes must never be used
for earthing the electrical or telephone system.
Ensure elimination of this risk before making the
boiler electrical connections.
HEAT PUMP
Summary of Contents for MAGIS Victrix
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