17
English
4 - Installation
4.8 Electrical connections
The unit must be installed on site according to the usual
procedures and standards applicable in the place of
installation. The unit must not be operated if its installation
has not been carried out according to the instructions
provided in this manual.
The power supply lines must consist of insulated copper
conductors, dimensioned for the maximum absorbed
current.
Connection to terminals must be performed according to the diagram
of connections (User’s Terminal Box) provided in this manual and
according to the wiring diagram which accompanies the unit.
WARNING
Before connecting the power supply lines, check
that the available voltage value does not exceed
the range specified in the Electric Data (Chapter
8)
4.7 Power supply
DANGER
Before carrying out any operations on the
electrical system, make sure that the unit is
deenergized.
DANGER
It is important that the appliance is grounded.
WARNING
The company in charge of the installation shall
conform to the standards applicable to outdoor
electrical connections.
The manufacturer may not be held liable for any damage
and/or injury caused by failure to comply with these
precautions.
The unit conforms to EN 60204-1.
The following connections shall be provided:
n
A single-phase with neutral and grounding connection for the
power supply circuit.
n
The electrical distribution system shall meet the power absorbed
by the appliance.
n
The power supply lines and the insulation devices must be
designed in such a way that every line is independent.
n
It is recommended to install differential switches, to prevent any
damage caused by phase drops.
n
The power supply cables must be inserted into dedicated
openings on the side of the unit (see dimensional drawing for
details).
CAUTION
For the operation cables (remote control cable,
operation cable for the indoor and outdoor units),
use signal cables that are easy to differentiate
from the power supply cable (AC220-240V).
Also, do not run the power cable with the
operation cables
CAUTION
Keep the power supply cable and operation
cables, 3 m or more away from the chiller,
antenna cable, operation cable, power supply
cable and other parts of equipment such as a
TV, radio, stereo, interphone, personal computer,
word processor and telephone. Noise from such
equipment may have adverse affects
To Next Page
Loading...