The ambient temperature rating for CW-5300 Chillers is 45℃ as factory setting, user can ajust it to 50℃ as needed. CW-5300 technical parameter: Model CW-5300AG CW-5300BG CW-5300DG CW-5300AH CW-5300BH CW-5300DH CW-5300AI CW-5300BI CW-5300DI Voltage 220V 220V 110V 220V 220V 110V 220V 220V 110V Frequency 50Hz 60Hz 60Hz 50Hz 60Hz 60Hz 50Hz 60Hz 60Hz Current 0.8~0.45A 1~4.2A 1~6.5A 0.8~0.45A 1~4.2A 1~6.5A 0.8~0.45A 1~4.2A 1~6.5A Compressor power 0.615KW 0.72KW 0.68KW 0.615KW 0.72KW 0.68KW 0.615KW 0.72KW 0.68KW 0.82HP 0.96HP 0.91HP 0.82HP 0.96HP 0.91HP 0.82HP 0.96HP 0.91HP Refrigeration capacity 6274Btu/h 7638Btu/h 7266Btu/h 6274Btu/h 7638Btu/h 7266Btu/h 6274Btu/h 7638Btu/h 7266Btu/h 1.84KW 2.24KW 2.13KW 1.84KW 2.24KW 2.13KW 1.84KW 2.24KW 2.13KW 1586Kcal/h 1931Kcal/h 1837Kcal/h 1586Kcal/h 1931Kcal/h 1837Kcal/h 1586Kcal/h 1931Kcal/h 1837Kcal/h Refrigerant R-22 / R-410a Refrigerant charge 650g 750g 680g 650g 750g 680g 650g 750g 680g Precision ±0.3℃ Reducer Capillary Protection Overcurrent protection for compressor, flow alarm, over temperature alarm Pump power 0.03KW 0.05KW 0.1KW Tank capacity 12L Inlet and outlet Rp1/2" Max. lift 10M 12M 25M Max. flow 10L/min 13L/min 16L/min N.W 44Kg G.W 50Kg Dimension 59 x 38 x 74 cm (L x W x H) Package dimension 67 x 51 x 93 cm (L x W x H) Note: other electric sources can be customized; heating and higher temperature control precision functions are optiona . CONTACT S&A TEL:+86-20-89301885, FAX:+86-20-84309967 SKYPE: teyuchiller Email:marketing@teyu.com.cn Website: http://www.teyuchiller.com