... Installation Condition1.The ambient temp. should not be higher than +40°C and not lower than -5°C and the average temp. of 24 hours should ... 50% when the highest ambient temp. is +40°C,higher humidity maybe allowed at a lower temp. Take measures to solve the dews ... ,20,25,32,40600050030,50,100,30015,25,50,150B,C,D