Compressor Bitzer 4T.2 Technical Data SI IP Displacement ( 1450 RPM 50Hz) 39, 36 m3/ h 1390, 0 CFH Displacement ( 1750 RPM 60Hz) 47, 5 m3/ h 1677, 5 CFH No. of cylinder x bore x stroke 4 x 60 mm x 40 mm 4 x 60 mm x 40 mm Allowed speed range 750 .. 1750 1/ min 750 .. 1750 1/ min Coupling ( ..-K) for A/ C + medium KK411 [ < 11kW] / KK420 [ < 22kW] ( Option) KK411 [ < 11kW] / KK420 [ < 22kW] ( Option) Coupling ( ..-K) for low temperature KK415 [ < 7.5kW] / KK425 [ < 22kW] ( Option) KK415 [ < 7.5kW] / KK425 [ < 22kW] ( Option) Coupling housing Option Option Motor pulley ( ..-S) 190, 210, 230 mm ( Option) 190, 210, 230 mm ( Option) V-belts 3 x SPA ( Option) 3 x SPA ( Option) Weight 77 kg 169, 8 lb Maximum pressure ( LP/ HP) 19 / 25 bar 275 / 363 psi Connection suction line 35 mm - 1 3/ 8' 35 mm - 1 3/ 8' Connection discharge line 28 mm - 1 1/ 8' 28 mm - 1 1/ 8' Connection cooling water R 1/ 2' ( Option) R 1/ 2' ( 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, 0 dm3 140, 8 fl oz .
