Electrical system © The electrical circuit diagram is shown in Figures in pages 17, 18 & 19) @ The compressor starter is ba: starter with safety interlock. ly a Star-delta Starter / Direct online @ The overtoad relay is set for equal to the motor name plate current for star delta / DOL starter respectively, © The tripped overload relay is reset by depressing the ‘Stop’ button of the starter, © While the compressor is running, if it is desired to stop the compressor momentarily, depress the stop button and latch it. © On releasing the latch, the compressor will restart and run continuously til the rated output pressure is attained. ‘© The starter is switched on and off through pressure switch ‘© Recommended fuse and cable size. (Refer table given below) Back fuse and incoming cable size details (415 V / 50 Hz) H.P. (3 Ph) | Back up fuse (HRC only) Cable size 2 10 ACx.5 Sq.mmCu “38 16 40x1.5 SqmmCu 5 20. 40x2.5 Sqmmcu_L~ 78 25 40x2.5 Sqmmou 10 25, 40x4 Sg.mmCu 12.5 32 4Cx4 Sg.mmCu 15 32 4Cx6 Sg.mmCu 20 50 40x10 Sqmmcu supplied to the compressor through ‘of suitable rating mounted within.DoL Staten Electrical Stotr conecken Main Supply 415 VAC 50 Hz i feo fo vane ‘Seah a4 on reo[ OP sropmesot 2s nceal Electrical Circult Diagram Note Switches and contacts are shown in de-energised and pressure free condition, For correct motor protection set the overload calibration lever to theactual motor current HP 02 250/300 - 9 HP<— HP 05 250/300 - 5 HP HP 07 250/300 - 7.5HP HP 10 250/900 - 10 HP