Carrier Flotronic Air Cooled Liquid Chiller- 150 Ton. Model: 30GTN150---620. SN: 3801F12663. For outdoor use only. Flotronic chillers offer outstanding EER's (Energy Efficiency Ratios). Exceptional part-load performance (chillers operate at part load 97% of the time) provides increased operating savings through use of multiple compressors per refrigeration circuit and suction cutoff unloading. (5) Carlyle Semi-Hermetic Reciprocating Compressor, Models: 06E6299310, 06EF29310, (2) 06EF265310 and 06E6265310. S/N's: 0901J00050, 3701J00038, 3601J00137, 3601J00141 and 3601J00796. Compressor electrical requirements: 208-230/460-400 V, 187-264/414-528/324-457 amps, 60/50 Hz, 3 phase. Overall dimensions: 19 ft. 6 in. L x 92 in. W x 98 in. H.