OTA micro 15÷50
SECTION 4 - ELECTRICAL CONNECTIONS
Before beginning whichever operation make sure that the voltage supply is cut off.
• The electrical connections to the control cabinets must be carried out by specialized staff, following the supplied
wiring diagrams.
• Make sure that the voltage and the frequency specified on the nameplate correspond to those of the power supply
line.
Carry out the connection with cables of a section which is adapted to the engaged power and in the respect
of the local norms. Their dimension must however allow to realize a voltage drop of less than 3% during the
starting phase.
• For the main supply of the regenerator is not allowed to use adapters, multiple sockets and/or cable extensions.
• The installer must foresee the installation of the cut-off switch and of everything that is necessary for the
protection of the electrical components, as close as possible to the unit.
• Connect the unit to an effective grounding, using the appropriate screw fitted on the unit.
4.1 Wiring diagram
OTA micro WIRING DIAGRAM
REMOTE
CONTROL
CVS
At delivery time, the wiring is set to make available the
To make available the
per from CN6 connector to CN5
Dashed lines show the connections to be carried out by the installer.
All lines must be protected at the origin by the installer.
(
), please replace the jumper from CN7 connector to CN8 and the jum-
MEDIUM SPEED
HIGH
(
) and the
MINIMUM SPEED
LOW
(E
MAXIMUM SPEED
XTRA HIGH
24
).