Immergas MAGIS COMBO PLUS Series - Operational Modes and Functions

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INSTALLERUSERMAINTENANCE TECHNICIAN
• Operation with Comando Amico Remoto
remote control
V2
(CAR
V2
) (Optional). If the
CAR
V2
is connected, the ( ) symbol will
appear on the display. e system regulation
parameters can be set via the CAR
V2
control
panel and the reset button (3) remains active
on the indoor unit control panel, along with the
switch-o button (1) (“o” mode only) and the
display showing the functioning state.
e system is set up to manage two CAR
V2
.
e CAR
V2
connected to the main zone (zone
2 or low temperature) is considered as the
hydronic module mount panel, while the
CAR
V2
connected to the secondary zone (zone
1 or high temperature) manages the requests
in the corresponding zone. Consequently, the
"secondary" CAR
V2
is not to be considered as
the hydronic module mount panel.
Caution: if the indoor unit is switched “o”
the CAR
V2
will display the connection error
symbol “ERR>CM”, the CAR
V2
is however
powered constantly so as not to lose the stored
programs.
• Operation with external probe ( ). e
system is set up to use the condensing unit
external probe or an optional external probe.
With the external probe connected, the system
ow temperature for room heating and air
conditioning is managed by the external probe
based on the outdoor temperature measured
(Parag. 1.9). You can change the ow tempera-
ture by choosing the oset value in the specic
user menu. If the CAR
V2
is connected, you can
change the operating curve using the controls
on it, selecting a value from "0 to 9" (See CAR
V2
instructions). In this case, any settings made
on the hydronic module will not aect system
operation.
• Dehumidify ( ). If the system is paired with
a humidistat (optional) or a humidity temper-
ature sensor (optional), you can manage the
room humidity in summer air conditioning
mode.
- If paired with a humidistat, set the degree
of humidity on the humidistat itself (see the
instructions booklet).
- If paired with a humidity temperature sensor,
set the humidity percentage in the corre-
sponding user menu or, if there is a CAR
V2
,
you can set it on the remote control itself from
the "S UR %" parameter.
Heating/Air conditioning and
Dehumidication active mode
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• In central heating or cooling request mode,
if the temperature of the water in the system
meets the request, the system can work simply
by activating the circulator.
• “Stand-by” mode. Press button (1) repeatedly
until the symbol ( ) appears. From then on,
the system remains inactive and the antifreeze
function, pump anti-block function and 3-way
and signalling of any anomalies is guaranteed.
N.B.: in these conditions the system must still
be considered powered.
• “O” mode. By holding the button (1) down
for 8 seconds, the display switches-o and the
indoor unit is o completely. e safety func-
tions are not guaranteed in this mode.
N.B.: in these conditions the indoor unit is con-
sidered still live even if there are no functions
active.
• “Automatic vent” mode. When the function
is enabled, every time the indoor unit is elec-
trically powered, the system automatic vent
function is activated (lasting 8 minutes). is
function is displayed via a countdown signalled
by the indicator (14). During this period the
DHW and CH functions are not active.
e “automatic vent” can be annulled by press-
ing the “reset” button (3).
• Display functioning. e display lights up
while the control panel is being used; aer
a set inactivity period, the brightness drops
until only the active symbols are displayed. e
lighting mode can be varied via parameter t8
in the P.C.B. programming menu.
• System operating with condensing unit
disabled. You can disable the condensing unit
through a prearranged connection. Disabling
occurs when contact "S41" closes (Fig. 5). is
status is signalled by the ashing of the symbol
"Condensing unit operation in progress" (8)
and the ashing of the anomaly code "194".
In this condition the requests are satised by
the heat generator.
• Solar operating mode ( ). is function is
activated if the “Solar ignition delay” parameter
is more than 0 seconds.
During a withdrawal, if the outlet water is hot
enough or if there is “Solar ignition delay” time,
the system does not switch on, the D.H.W.
withdrawal symbol ( ) appears on the
display along with the ashing solar function
symbol ( ).
Summer Mode and Solar function
active
When the water supplied by the solar system
is at a temperature lower than what is set, or if
the “Solar ignition delay” time has elapsed, the
system switches on to bring the DHW to the set
temperature. At this point, the solar function
symbol will go o.
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