1.Original and handsome shape, light and reasonable structure,convenient installation. 2.Copeland/Tecumseh compressor,efficient heat transfer surface,strong cold wind force,Superior reliability,long service life. 3.Efficient,low power,low noise and strong-wind fan motor. 4.Simple structure,accurate and reliable operating system. 5.Integral installation,anticollision,rainproof structure feature. 6.Exterior rotor motor. model feature BFT30C BFT40C BFT50C BFT60C BFT70C BFT80C BFT100C BFT120C Refrigeration capacitykw Medium 6200 7700 9950 12400 14350 16100 21700 23100 Low temp. temp. 3370 4250 6050 ------ ------ 8250 12020 ----- Motor w 190 250 450 600 400 500 560 800 Fan diametermm 400 450 500 550 400x2 450 x2 500 x2 500 x2 Air volumem©ø/h 4200 53800 7100 8400 8400 10760 12480 12480 caliber(mm) In 16 16 19 19 25 25 28 35 Out 10 10 12 12 16 16 19 19 Demension(LxWxH) 738x445x1162 738x445x1162 940x465x1445 940x465x1445 1340x467x1410 1340x467x1410 1340x465x1410 1340x465x1410 Install demensionLxW 668x500 668x500 870x520 870x520 1270x520 1270x520 1270x520 1270x520