... heat exchangers for refrigeration system air cooled condensers1. Product descriptionThe FN series Products are air cooled heat exchangers for refrigeration system. ... of pollution, applicable to R22R134aR404AR407C systems.2. Model code FN S 80 Heat transfer area m2 type, S:low noise ... , V: top blowing ,C: Foot install Series name Air Cooled Condensers for refrigeration condensing units