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Installation, use and maintenance manual
Make sure that the keypad is not locked
(section 7.1.3.3) and that there are no
other advanced procedures running;
Press and hold the
button
for
(password) shows on the display;
Press and release the
Press and release the
button within 15 seconds to set
"149";
Press and release the
not touch the display for 15 seconds;
Press and hold the
button for 4 seconds: "dEF" shows
on the display
Press and release the
Press and release the
button within 15 seconds to set "1";
Press and release the
not touch the display for 15 seconds:
"dEF" flashes for 4 seconds on the
display, then the appliance exits the
procedure;
Disconnect the power supply to the
appliance.
To exit the procedure before completion:
Press and hold the
button for 4 seconds during the
procedure (i.e. before setting "1": the
appliance is not restored).
7.1.3.17 Counting the compressor operating
hours
The appliance can store up to 9999 operating
hours for the compressor. If the number of
operating hours exceeds this value, "9999"
flashes.
68
button and the
4
seconds:
"PA"
button;
button or the
button or do
button and the
button;
button or the
button or do
button and the
DOCUMENT 6328408
7.1.3.17.1 Displaying
operating hours
Make sure that the keypad is not locked
(section 7.1.3.3) and that there are no
other advanced procedures running;
Press and release the
shows on the display;
Press and release the
button to select "CH";
Press and release the
To exit the procedure:
Press and release the
not touch the display for 60 seconds.
Alternatively:
Press and release the
7.2
Non-standard functions
The appliance has a fan speed control
system that increases the speed when the
ambient temperature falls below -1°C. At
higher temperatures, the fan maintains a
slower speed so as to reduce noise the
coming from the appliance.
The appliance is also fitted with a system for
checking the ambient conditions, i.e. the
temperature of the incoming air from
outside. The function described below is
used to stop the appliance from activating
in heat pump mode in out-of-specification
conditions,
which
could
compressor and interrupt the service.
Every time the appliance is switched on, the
fan is activated for 1 minute as set under
parameter C12. Once this time has passed,
the system assesses the temperature of the
incoming air. If the temperature is equal to
or less than parameter SP9 (-7°C), the heat
pump unit cannot be activated and the
electrical resistor is activated instead. The
auxiliary
electrical
complete the heating process, until the pre-
set setpoint temperature is reached with the
active cycle running.
the
compressor
button: "Pb1"
button or the
button.
button or do
button.
damage
the
resistor
is
used
to
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