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Electrical connections
7. Electrical connections
O
WARNING
– The fixed wiring must include a magnetothermic circuit breaker or other means of isolation with contact
separation on all poles, to be implemented in accordance with the laws and regulations in force.
– The protection must be sized in accordance with the electrical data declared by the manufacturer.
– Disconnect the power supply before making any connections and wait 10 minutes so that the DC bus
condensers of the compressor's inverter are correctly at a low residual voltage.
– Only use copper cables.
– Do not crush cable bundles and prevent them from coming into contact with pipes and any sharp edges.
– Installation of electrical components and connections on site must be carried out by a qualified electri-
cian and in accordance with the laws and regulations in force.
– On-site electrical connections must be made in accordance with the wiring diagram supplied with the unit
and following the instructions below.
– Use a dedicated power supply. Never use a power supply that is also used by other equipment.
– Earth the unit.
– Do not connect the earth wire to gas or water pipes, lightning rods or telephone system earth cables.
– Incorrect earthing may cause electric shocks.
– Install an earth leakage dierential circuit breaker (30 mA).
– Failure to observe this precaution may result in electric shock.
– Install the necessary fuses or circuit breakers.
– Power and signal cables should be routed as separately as possible to avoid possible interference.
Where ducted in parallel, for convenience observe the following distances: 300 mm for rated currents
below 10 A and 500 mm for rated currents between 10 and 50 A.
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