Compressor Bitzer 4G.2 Technical Data SI IP Displacement ( 1450 RPM 50Hz) 84, 5 m3/ h 2984, 1 CFH Displacement ( 1750 RPM 60Hz) 102, 0 m3/ h 3602, 1 CFH No. of cylinder x bore x stroke 4 x 75 mm x 55 mm 4 x 75 mm x 55 mm Allowed speed range 750 .. 1750 1/ min 750 .. 1750 rpm Coupling ( ..-K) for A/ C + medium KK620 [ < 22kW] / KK630 [ < 45kW] ( Option) KK620 [ < 22kW] / KK630 [ < 45kW] ( Option) Coupling ( ..-K) for low temperature KK625 [ < 22kW] / KK630 [ < 45kW] ( Option) KK625 [ < 22kW] / KK630 [ < 45kW] ( Option) Coupling housing Option Option Motor pulley ( ..-S) 190, 210, 230 mm ( Option) 190, 210, 230 mm ( Option) V-belts 5 x SPA ( Option) 5 x SPA ( Option) Weight 129 kg 284, 4 lb Maximum pressure ( LP/ HP) 19 / 25 bar 275 / 363 psi Connection suction line 42 mm - 1 5/ 8' 42 mm - 1 5/ 8' Connection discharge line 28 mm - 1 1/ 8' 28 mm - 1 1/ 8' Connection cooling water R 3/ 4' ( Option) R 3/ 4' ( Option) Oil type R134a / / R407A/ C/ F / / R404A / / R507A tc55° C: BSE55 ( Option) tc55° C: BSE55 ( Option) Oil type NH3 -- -- Oil type R22 R22 ( R12 / / R502) B5.2 ( Standard) B5.2 ( Standard) Oil charge 4, 7 dm3 165, 4 fl oz .
