3311_14. 5641200_01
NRL 0280-0750 60Hz
EN
SEASON CHANGEOVER
conditions return to the limit.
- Check that the absorption current of the
compressor is less than the maximum indicated in
the technical data table.
- Check in the models with three-phase supply
power that the noise level of the compressor is not
abnormal, in this case invert a phase.
- Make sure that the voltage value are within the
prefixed limits and that the displacements between
the three phases (three-phase supply power) do not
get above 3%.
SEASON CHANGE OF THE PANEL ON THE
MACHINE
To activate the season change, just press the indicated
key in (fig. 5). To ensure that the operation is
successful,
machine must be active as remote or local.
SEASON CHANGE OF PR3
Just act directly on the switch. The machine turns
off automatically and it restarts with the selected
operation mode.
ATTENTION
1)
Commissioning must be performed with standard settings.
ning Set Point values by changed.
Before start-up, power the unit for at least 12-24 hours, posi-
tioning the protection magnet circuit breaker switch and the
Make sure that the control panel is off in order to allow the
compressor oil sump to heat.
We recommend to envision a machine book (not
supplied, but the user’s responsibility), which allows to keep
track of the interventions performed on the unit.
In this way it will be easy to suitably organise the interventions
making research and the prevention of any
of intervention made (routine maintenance, inspection or re-
pairs), description of the intervention,
measures actuated.
cause serious damage to the unit.
Remote panel PR3
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