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MANUAL START UP AND SHUT DOWN OF
THE UNIT
WARNING! Check that the refrigerant circuit has
been filled.
To start up the unit, carry out the following procedure:
•
open the door of the electrical panel and the front
panels;
•
position the automatic switch of the auxiliary circuit to
«I» (on);
•
position all of the automatic switches on the electrical
board to «I» (on);
•
fuel the unit by positioning the main switch to «I» (on);
•
check that both of the led RSF sequence phases (D8)
are lit up; the green led indicates that the power is on, the
yellow led indicates that the phase sequence is correct.
In the event of incorrect phase sequence, invert 2 of
the 3 phases of power supply following the instructions
indicated in the paragraph «electrical connections» and
return to the start up procedure;
D8
30
WA R N I N G ! D u r i n g p ro l o n g e d b re a ks a
spontaneous migration of the refrigerant may
occur in the casing of the compressor, which may
cause foaming of the oil and consequent damage
by the lack of lubrification. It is recommended
that the main switch is not turned off during
weekly breaks.
•
wait at least 12 hours before start up so that the oil in
the compressors warms up sufficiently;
•
open the shut off valves (I5) of the refrigerating
circuits;
•
check that the remote condensers are powered (on air
cooled models);
•
check that the external dry coolers are powered and
check the presence of the water flow for condensation
(on water cooled models);
•
check that the tracts of siphoned corrugated pipe, both
internal and external to the conditioner, have been filled
with water in the installation phase;
D5
•
close the door and the front panels;
•
wait for the oil in the compressors to heat (12 hours for
compressors equipped with heaters);
•
press the ENTER key (A6) of the user terminal; a sliding
bar and a ventilator icon will appear on the display;
A1
A2
A3
A4
•
if an alarm is indicated, consult the user interface manual
mP40;
I5
A5
A6
A7
PKG-SVX19B-E4
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