With greater ambient humidity, when the water temperature is lower than the ambient temperature, the condensate water will generate on the surface of water circular pipes and the cooled components.If above circumstance appears, it is recommened to set a higher water temperature or keep pipes and cooled parts warm. S&A chiller details: http://www.teyuchiller.com/product/ CONTACT S&A TEL:+86-20-89301885, FAX:+86-20-84309967 SKYPE: teyuchiller Email:marketing@teyu.com.cn Website: http://www.teyuchiller.com