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Idiomas disponibles
3
OPERATING INSTRUCTIONS AND LEGEND:
„ Two steps ON/OFF button (EYTED2T and
EYTED4T) or three steps switch (EYTED10):
Ū OFF mode
Ū ON mode with manual ventilation
Ū ON mode with automatic ventilation
„ Manual ventilation switch (minimum, middle,
maximum speed); this switch has no effects if
the main ON/OFF switch is set in the ON mo-
de with automatic ventilation (only EYTED10)
„ Green led warning (EYTED2T):
Ū Led is switched off: fan coil is working
neither in cooling nor heating mode.
There are no anomalies.
Ū Led is permanently switched on: fan coil
is working in cooling or heating mode.
Ū Led is quickly blinking: water tempera-
ture is not compliant
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ELECTRICAL CONNECTIONS
All of the operations must be carried out by
qualified staff, in accordance with regulations
in force. For any electrical related procedure,
refer to the electrical diagrams attached to this
documentation.
We also suggest making sure that the charac-
teristics of the electrical network are suitable for
the absorption levels reported in the electrical
data table.
Before carrying out any operation on electrical
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OPERATING AND ADJUSTMENT SETTING:
On the electric circuit of the controller there are
electric devices able to modify three different
settings:
Ū REMOTE jumper used to specify the position
of the air probe on the basis of which the con-
troller makes the adjustment. The two pos-
sibilities are on board probe (factory default
setting) or remote wired probe (Fig. 5).
Ū AUTO jumper to specify how the changeover
(SUMMER/WINTER) is supposed to be applied
by the controller (only EYTED4T and EYT-
ED10). The two possibilities are the manual
8
TED
Ū Led is slowly blinking: temperature pro-
be is faulty or disconnected
„ Blue and red warning led (EYTED4T and
EYTED10):
Ū Led is permanently blue: fan coil is in co-
oling mode
Ū Led is permanently red: fan coil is in he-
ating mode
Ū Red led is blinking: water temperature is
too low to heat
Ū Both red and blue led blinking: tempe-
rature probe is faulty or disconnected
„ Control knob for temperature setting from 5
to 35 °C
„ Manual switch mode:
Ū SUMMER/COOLING
Ū WINTER/HEATING
parts, make sure the power supply is discon-
nected. Check that the net voltage is compati-
ble with the specifications of the unit (voltage,
number of phases, frequency) shown on the
unit rating plate. The supply voltage must not
fluctuate by more than ±5% in relation to the
rated value. The electrical connections must be
set up according to the electrical diagram at-
tached to the specific unit and with the regula-
tions in force.
selection (factory default setting) or the au-
tomatic changeover on the basis of air tem-
perature (Fig. 5).
Ū Potentiometer for the hysteresis calibration
(from 1°C to 10°C) around the temperature
SET for the automatic SUMMER/WINTER
changeover (only EYTED4T and EYTED10); we
suggest not to modify this value if not strictly
necessary, for example as a consequence of a
quick and large variation of the air tempera-
ture (Fig. 5)
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