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Instruction book
2920 1521 00 24
2.3 Electrical connections
General
The electrical installation must correspond to the local codes. The mains supply and earthing lines
must be of suitable size. See section 7.1.
The installation must be earthed and protected by fuses in each phase. An isolating switch must be
installed near the compressor. Make sure that this switch is open to isolate the compressor from
the mains before carrying out any connection.
Connections
Skid - Tank-mounted - Twin
Connect the cable to terminals 1 and 3 (single-phase) or to terminals 1, 3 and 5 (3-phase) of pressure
switch (4-Fig. 1.10). Connect the earthing conductor to the earthing terminal. SF Twin have a
pressure switch for each compressor module; provide for each pressure switch separate supply
cables.
9820 3744 61
55103D
(1)
9820 3744 60
55104D
(1)
Single-phase 3-phase
Fig. 2.7 Service diagram, SF Skid - Tank-mounted – Twin
Text on Fig. 2.7
(1) Customer’s installation