[1] This product is a portable air conditioner with air cooling. [2] Certification of Explosion Protected Electrical Equipment on the basis of TIISiTechnology Institution of Industrial Safety j [3] Zone1 or Zone2 which are defined by TIIS [4] Class:fd2G4 yProduct specificationz Model DGR-1A-SP DGR-1A-SPS DGR-3A-SP DGR-3A-SPS Temperature Range +‚P‚O`+‚R‚OŽ Exterior dimension W~D~H [mm] W730 D700(+140) H1144 W800 D800(+110) H1359 W730 D700(+140) H1144 W800 D800(+110) H1359 Flow rate[m3/min] 5.4(50Hz) 6.0(60Hz) 10.0(50Hz) 11.0(60Hz) 5.4(50Hz) 6.0(60Hz) 10.0(50Hz) 11.0(60Hz) Weight [kg] 160 220 160 230 Refrigerant Gas R-404A Supply Voltage 1ƒÓ100V 50/60Hz 3ƒÓ200V 50/60Hz