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It is mandatory to verify that the machine is watertight before making the electrical connections and it must only be powered up after the hydraulic and
electrical works have been completed.
If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualied person in order to avoid a hazard.
Electric power connection to te electrical mains
— Open the external covering panels (if present)
— Make sure that the switch is at “OFF” before opening the electric control board for the connection of the unit to the power supply
— Use the plates/holes to pass the main electric power supply cable and the cables of the other external connections under the responsibility of the installer.
— It is prohibited to access positions not specically envisioned in this manual with electric cables.
— Avoid direct contact with non-insulated copper piping and with the compressor.
— Identify the clamps for the electric connection and always refer exclusively to the wiring diagram supplied with the unit.
— Remove any protections from the cable xing points.
— For the functional connection of the unit, take the power supply cable to the electric control board inside the unit and connect it to clamps. L1-L2-L3, N (if present), and PE
respecting the polarities L1-L2-L3 and N as phases, and PE as grounding
— Ensure that all protections removed for the electric connection have been restored before powering the unit electrically.
— Close all the opened panels.
— Turn the switch at “ON” position.
— Position the system master switch (outside the appliance) at “ON”.
For auxiliary connection please refer to the wiring diagrams supplied with the unit.
A Holes for passage of electric ca-
bles
A
ELECTRIC DATA
The designer must calculate the appropriate line switch, power supply line, connection to the earth wire and connection cables for the section and length of the cables,
depending on:
— The length;
— The type of cable;
— The absorption of the unit and the physical location, and the ambient temperature.
Add up the weight of the pumps to the weight of the standard version without hydronic kit. For more details refer to the selection program.
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