Manual Start Up And Shut Down Of The Unit - Trane Jupiter JDAC Series Installation Operation & Maintenance

MANUAL START UP AND SHUT DOWN OF
THE UNIT
WARNING! Check that the refrigerant circuit has
been filled.
to start the unit proceed as follows:
• access the electrical panel;
• position the automatic switch of the auxiliary circuits to
"l" (on);
• position the automatic switches to "l" (on);
• supply power to the unit by positioning the isolator
switch D5 to "i";
D5
• In units with a mains voltage of 400V/3N/50Hz, check
that both the LeD phase sequences rSF (D8) are
switched on; the green LeD indicates the presence
of voltage, the yellow LeD indicates that the phase
sequence is correct, in the event of phase sequence
error invert 2 of the 3 supply voltages following the
instructions indicated in the paragraph "electrical
connections" and resume the start-up procedure;
D8
G
12
D
D7 /
b d
L1 L2 L3
LED
LED
12 14 11
WA R N I N G ! D u r i n g p r o l o n g e d b r e a k s 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 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;
• close the front panel;
• 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;
to shut down the unit carry out the following procedure:
WA R N I N G ! D u r i n g p r o l o n g e d b r e a k s a
spontaneous migration of the refrigerant may
occur in the casing of the compressor, which
may cause foaming of the oil and consequent
damage because of the lack of lubrification. It is
recommended that the main switch is not turned
off during weekly breaks.
• on the first screen of the user terminal, press keys A5
or A7 until the SWITCH OFF UNIT screen appears;
• press the ENTER key to confirm;
• the following icons will appear
press the ENTER to confirm.
A5
A6
A7
OFF
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