Bitzer Compressor Open Type / Bitzer Type V Technical Data SI IP Displacement ( min. compressor speed) 12, 67 m3/ h 447, 6 CFH Displacement ( max. compressor speed) 28, 61 m3/ h 1010, 4 CFH No. of cylinder x bore x stroke 2 x 85 mm x 60 mm 2 x 85 mm x 60 mm Allowed speed range 310 .. 700 310 .. 700 Motor pulley 110, 130, 150, 200, 220 110, 130, 150, 200, 220 V-belts ( DIN 2215) 2 x 17 2 x 17 Weight 80, 5 kg 177, 5 lb Maximum pressure ( LP/ HP) 19 / 23, 0 bar 275 / 333 psi Connection suction line 28 mm / 1 1/ 8' 28 mm / 1 1/ 8' Connection discharge line 22 mm / 7/ 8' 22 mm / 7/ 8' Connection cooling water R 1/ 2' R 1/ 2' Oil type R134a / / R404A / / R507A tc55° C: BSE55 ( Option) tc55° C: BSE55 ( Option) Oil type R22 R22 ( R12 / / R502) B5.2 ( Standard) B5.2 ( Standard) Oil charge 2, 5 dm3 87, 99 fl oz .