Convection Module
A single heating unit in a reflow system is referred to as a convection module. The heat transfer is effected through circulating hot air or nitrogen. The design of the modules is such that the fan circulating the medium always aspirates only that air or nitrogen it has previously expelled. Therefore, in a well-designed system, the air circulating in a specific module does not affect, nor does it get affected from, the directly preceding or following module.