Roof mount HEX080QA series Dimension drawing Features Main feature Unit Specification Dimension (W x D x H) mm (inch) 555 x 500 x 265 (22 x 20 x 11) Cooling capacity*Note W/K (W/) 80 (44) Rated voltage VDC 48 Operating current A 1.5 Opearting power W 72 Operating voltage range VDC 40 ~ 60 Operating temperature range C -10 ~ +65 Noise (1.5 meter) dB-A 64.0 Weight Kg (Lb) 22 (49) IP55 waterproof at external side "One touch" dry run test and dust cleaning Standalone temperature control Clear LED status indicator Dry contact alarm output Design Air to air heat exchange Rated voltage at 48V Reduntant fan quantity design High efficiency and reliable fan Easy installation and maintenance * Note : The cooling capacity (W/K , W/C or W/) is defined as Q/ (TI-TA) Q : Heat dissipation (W) from inside of cabinet TI : Return temperature of internal air circuit (K , C or ) TA : Ambient temperature of external air circuit (K , C or ) * Specifications are subject to change without notice.