C-202-2 Johnson Controls Reverse Acting Cumulator MRCUMULATOR REV 2: 1 RATIO The C 202 Cumulator is proportional acting with a ratio of 2: 1. It is furnished for direct or reverse action. A direct acting cumulator increases its output pressure with increasing pilot pressure. A reverse acting cumulator decreases output pressure with increasing pilot pressure. The C 202 is used singly or in groups to accumulate the effect of two or more controllers operating a device. The cumulator varies output pressure