TECHNICIAN
INSTALLER
USER
5
mains must also be equipped with a multi-pole cir-
cuit breaker with a contact opening gap of at least 3
mm.
In the event of power cable replacement, contact an
authorised technician (e.g. Immergas Technical Serv-
ice).
The power cable must be laid as shown in the figure
below.
In the event of mains fuse replacement on the con-
trol card, use a 3,15A quick blow fuse. For the main
power supply to the appliance, never use adapters,
multiple sockets or extension leads.
N.W.: when connecting the appliance, if the correct
L-N polarity is not observed the boiler does not de-
tect the flame and inhibits start-up. Also in the same
case, if the neutral is powered with residual voltage
over 30V, the boiler will probably operate, but only
temporarily. Measure the voltage readings with suit-
able tools; avoid the use of mains tester screwdriver.
If the power supply is phase-phase type at 230V, to
guarantee safe conditions equivalent to existing con-
ditions when the boiler is powered with a Phase-Neu-
tral mains, an adaptor kit must be fitted on the boiler
for Phase-Phase mains, available on request. Con-
tact an Authorised Immergas Service Centre for in-
stallation of the kit.
Timer room thermostats (Optional).
The boiler is designed for use with room thermostats.
These Immergas components are optional available
and provided when requested. All Immergas timer
room thermostats are connectable with 2 wires only.
Read, keeping attention, the instructions for mount-
ing and use, contained in the optional kits.
• Digital timer room thermostat on/off. The thermo-
stat gives the following possibility:
- to adjust two different values of room
temperature: one for the day-hours (comfort
temperature) and one for night-hours (reduced
temperature);
- to set until four different weekly programs for ig-
nitions and switches-off;
- to select the wished operation, choosing between
many possibilities:
• permanent operation at comfort temperature,
• permanent operation at reduced temperature,
• permanent operation at anti-freeze temperature.
The thermostat is supplied by two alkaline batter-
ies of 1,5 V type LR6.
• Amico Remote Control with climatic timer room
thermostat functioning. Amico Remote Control
panel allows to the user, besides the functions ex-
plained on the above mentioned point, to control
all overall information about the boiler and the
heating system functioning, having the possibility
to control the boiler comfortably from a distance.
The panel of Amico Remote Control is equipped
with auto-diagnosis system that shows by the dis-
play (through some error-code) any possible
anomaly of the boiler. The timer room thermostat
incorporated in the remote panel, allows to ad-
equate the flow temperature to the radiators in base
of the real necessity of the ambient, in order to
POWER
CABLE
Auxiliary outlet
230V~50Hz
Max. 2A
Power supply
230V~50Hz
Zones P.C.B.
(optional)
Remote
Control
(optional)
Room thermostat
on/ off (optional)
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