Remote Controls And Room Chrono Thermostats Optional; External Probe Optional - Immergas VICTRIX EXA 24 X 1 ErP Instruction And Recommendation Booklet

1.7 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. 1-5).
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 Immergas digital chrono-thermostat.
e chrono-thermostat allows:
- set two room temperature value: one for
daytime (comfort temperature) and one for
night-time (reduced temperature);
- set a weekly program with four daily switch
on and switch o times;
- select the required operating mode from the
various possible alternatives:
- manual mode (with adjustable tempera-
ture).
- automatic mode (with set program).
- forced automatic mode (momentarily
changing the temperature of the automatic
program).
e chrono-thermostat is powered by two 1.5V
LR 6 type alkaline batteries.
• Comando Amico Remoto Remote Control
Device V2 with climate chrono-thermostat func-
tion. In addition to the functions described in
V2
the previous point, the CAR panel enables the
user to control all the important information
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 Comando Amico
V2
Remoto Remote Control panel is provided
with self-diagnosis to display any boiler operat-
ing anomalies. e climate chrono-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. It also allows to display
the e ective room temperature and the external
temperature (if external probe is present).
V2
CAR is fed directly by the boiler by means of
the same 2 wires used for the transmission of
data between the boiler and device.
Important: if the system is subdivided into zones
using the relevant kit, the CAR
with its climate thermostat function disabled, i.e.
it must be set to On/O mode.
CAR V2 or chrono-thermostat On/O electric
connection (Optional).
below must be performed a er having removed
the voltage from the appliance. Any On/Off
room chrono-thermostat must be connected to
clamps 40 and 41 eliminating jumper X40 (Fig.
3-2). Make sure that the On/Off thermostat
contact is of the "clean" type, i.e. independent of
the mains voltage, otherwise the P.C.B. would
V2
be damaged. Any CAR
means of terminals + and - to clamps 41 and
44 on the P.C.B. (in boiler), eliminating jumper
X40 on the terminal board located in the control
panel (Part. e Fig. 1-4) and respecting polarity
(Fig. 3-2). Connection with the wrong polarity
prevents functioning, but without damaging the
V2
CAR e boiler can only be connected to one
remote control.
Important: if the CAR V2
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 lines. Ensure
elimination of this risk before making the boiler
electrical connections.
1-5
Correction law of the ow temperature depending on the external temperature
1-6
8
1.8
e boiler is designed for the application of the
external temperature probe (Fig. 1-6), which is
available as an optional kit. Refer to the relative
instruction sheet for positioning of the external
probe.
e probe can be connected directly to the boiler
electrical system and allows the max. system
e
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 operates when con-
V2
must be used
nected, regardless of the presence or type of room
chrono-thermostat used and can work in combi-
nation with Immergas chrono-thermostats.
correlation between system ow temperature
e operations described
and external temperature is determined by the
position of the central heating selector switch on
the boiler control panel (or on the CAR
panel if connected to the boiler) according to
the curves shown in the diagram (Fig. 1-7).
electric connection of the external probe must be
made on clamps 38 and 39 on the terminal board
in the control panel (Part. d Fig. 1-4).
must be connected by
remote control is used,
EXTERNAL PROBE
and user adjustments of the central heating temperature.
Position of the central heating tem-
perature user adjustment
In brackets, temperature value with 25°/50° range

EXTERNAL PROBE OPTIONAL .

V2
e
control
e
1-7