Immergas MAGIS COMBO 4 V2 Instructions And Recommendations page 46

"Stand-by" Mode
Press button (1) repeatedly until the symbol
stem remains off from this moment, though the antifreeze, pump
anti-block and 3-way function and signalling of any anomalies
are guaranteed.
In these conditions the system must still
be considered powered.
OFF mode
By holding the button (1) down for 8 seconds, the display swi-
tches-off and the indoor unit is off completely. In this mode, the
safety functions are not guaranteed and the remote devices are
disconnected.
In these conditions the indoor unit is
considered still live even if there are no
functions active.
"Automatic vent" mode
Every time the hydronic module is electrically powered, the sy-
stem automatic vent function is activated (lasting 8 minutes). This
function is displayed via a countdown signalled by the indicator
(14).
During this period the DHW and CH functions are not active.
The "Automatic vent" function can be annulled by pressing the
"Reset" button (3).
Display operation
The display lights up while the control panel is being used; after a
set inactivity period, the brightness drops until only the active
symbols are displayed. The lighting mode can be varied via para-
meter t8 in the P.C.B. programming menu.
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System operating with outdoor unit disabled
appears. The sy- You can disable the outdoor unit through a prearranged con-
nection.
Disabling occurs when contact "S41" closes (Fig. 7).
This status is signalled by the flashing of the symbol "Outdoor unit
operation in progress" (8) and the flashing of the anomaly code
"194".
Solar function
This function is automatically activated if the "Solar ignition de-
lay" 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
the flashing solar function symbol
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 elap-
sed, the system switches on to bring the DHW to the set tempera-
ture. At this point, the solar function symbol will go off.
In this condition the requests are
satisfied by the heat generator.
appears on the display along with
Summer Mode and Solar function active
.
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