Selco Unistep 3500, Instruction Manual

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2 INSTALLATION
Installation should be performed only by expert
personnel authorised by the manufacturer.
During installation, ensure that the power source
is disconnected from the mains.
The multiple connection of power sources (series
or parallel) is prohibited.
2.1 Lifting, transport & unloading
The system is equipped with eye-bolts:
Figure A Figure B
Avoid absolutely lifting it at any angle different from 90°.
Never lift the machine in the way shown in fig.
B: this could damage the eye-bolts.
Be careful not to cause damage during lifting.
- The equipment is provided with a handle for hand transportation.
Do not underestimate the weight of the equip-
ment: see technical specifications.
Do not move or position the suspended load
above persons or things.
Do not drop or apply undue pressure on the
equipment.
Do not lift the unit by the handle.
2.2 Positioning of the equipment
Keep to the following rules:
- Provide easy access to the equipment controls and connec-
tions.
- Do not position the equipment in very small spaces.
- Do not place the equipment on surfaces with inclination
exceeding 10° from to the horizontal plane.
- Position the equipment in a dry, clean and suitably ventilated
place.
- Protect the equipment against pouring rain and sun.
2.3 Connection
The equipment is provided with a power supply cable for con-
nection to the mains.
The system can be powered by:
- three-phase 400V
- three-phase 230V
The mains voltage configuration can be changed only by quali-
fied personnel when the machine has been disconnected from
the mains, by removing the side cover and correctly positioning
the connections on the terminal strip.
Voltage change terminal strip configuration
CAUTION: to prevent injury to persons or damage
to the equipment, the selected mains voltage and
fuses must be checked BEFORE connecting the
machine to the mains. Also check that the cable is
connected to a socket provided with earth contact.
Operation of the equipment is guaranteed for volt-
age tolerances up to ±15% with respect to the
rated value.
Before shipment, the power source is pre-set for
mains voltage at 400V.
The equipment can be powered by a generating set
guarantees a stable power supply voltage of ±15%
with respect to the rated voltage value declared by
the manufacturer, under all possible operating condi-
tions and at the maximum rated power.
Normally we recommend the use of generating
sets with twice rated power of a single phase
power source or 1.5 times that of a three-phase
power source.
The use of electronic control type generating sets
is recommended.
In order to protect users, the equipment must be
correctly earthed. The power supply voltage is pro-
vided with an earth lead (yellow - green), which
must be connected to a plug provided with earth
contact.
The electrical connections must be made by
skilled technicians with the specific professional
and technical qualifications and in compliance
with the regulations in force in the country where
the equipment is installed.