Immergas Maior Eolo 24 4E - 1.3 Protezione antigelo.; 1.4 Gruppo allacciamento (fornito di serie con la caldaia).; 1.4 Protezione antigelo.; 1.5 Gruppo allacciamento (optional).

8
45
31
58
1-3
1-5
1-4
INSTALLERUSER
MAINTENANCE TECHNICIAN
On/O digital timer thermostat
Comando Amico Remoto remote control
V2
(CAR
V2
)
Position of the central
heating temperature user adjustment
Comando Amico Remoto remote control
V2
or
On/Off chrono-thermostat electrical con-
nections (Optional). e operations described
below must be performed aer having removed
the voltage from the appliance. Any thermostat
or On/O environment chrono-thermostat must
be connected to clamps 40 and 41 eliminating
jumper X40 (Fig. 3-2). Make sure that the On/
O thermostat contact is of the “clean” type, i.e.
independent of the mains supply, otherwise the
electronic adjustment card would be damaged.
Any Comando Amico Remoto remote control
V2
must be connected to clamps 41 and 44 elimi-
nating jumper X40 on the circuit board, paying
attention not to invert the connections (Fig. 3-2).
Important: if the Comando Amico Remoto
remote control
V2
or any other On/O chrono-
thermostat is used arrange two separate lines in
compliance with current regulations regarding
electrical systems. No boiler pipes must ever be
used to earth the electric system or telephone li-
nes. Ensure elimination of this risk before making
the boiler electrical connections.
1.6 EXTERNAL PROBE OPTIONAL.
e boiler is prepared for the application of the
external probe (Fig. 1-4), which is available as
an optional kit.
e probe can be connected directly to the boiler
electrical system and allows the max. system
ow temperature to be automatically decreased
when the external temperature increases, in
order to adjust the heat supplied to the system
according to the change in external temperature.
e external probe always acts when connected
independently from the presence or type of room
thermostat used. e correlation between system
ow temperature and external temperature is de-
termined by the position of the selector switch on
the boiler control panel according to the curves
shown in the diagram (Fig. 1-5). e electric con-
nection of the external probe must be made on
clamps 38 and 39 on the boiler P.C.B. (Fig. 3-2).
1.5 REMOTE CONTROLS AND
ROOM CHRONOTHERMOSTATS
OPTIONAL.
e boiler is prepared for the application of room
chrono-thermostats or remote controls, which
are available as optional kits. (Fig. 1-3)
All Immergas chrono-thermostats are connected
with 2 wires only. Carefully read the user and
assembly instructions contained in the acces-
sory kit.
• On/O digital chrono-thermostat. e chrono-
thermostat allows:
- to set two room temperature values: one for
day (comfort temperature) and one for night
(lower temperature);
- to set up to four on/o dierential weekly
programs;
- to select the required operating mode from
the various possible alternatives:
• permanent functioning in comfort temp;
• permanent functioning in reduced temp;
• permanent functioning in adjustable anti-
freeze temp.
e chrono-thermostat is powered by two 1.5V
LR 6 type alkaline batteries.
• Comando Amico Remoto Remote Control De-
vice
V2
(CAR
V2
) with climate chrono-thermostat
function. In addition to the functions described
in the previous point, the CAR panel
V2
enables
the user to control all the important infor-
mation regarding operation of the appliance
and the heating system with the opportunity
of easily intervening on the previously set
parameters without having to go to the place
where the appliance is installed. e panel is
provided with self-diagnosis to display any
boiler functioning anomalies. e climate chro-
no-thermostat incorporated into the remote
panel enables the system ow temperature to
be adjusted to the actual needs of the room
being heated, in order to obtain the desired
room temperature with extreme precision and
therefore with evident saving in running costs.
e chrono-thermostat is fed directly by the
boiler by means of the same 2wires used for
the transmission of data between boiler and
chrono-thermostat.
Important: if the system is subdivided into zones
using the relevant kit. the CAR
V2
must be used
with its climate thermostat function disabled, i.e.
it must be set to On/O mode.