Carrier 30RBM 160 Installation, Operation And Maintenance Instructions page 57

12.2.7 - Factory-installed duct connection interface on each fan
V-shaped air heat exchangers
View from above Side view Detail of the duct connection
interface frame
Size of the duct connection frame 860x860x100mm
12.2.7 - Duct installation principle
Solution 1 Solution 2
each fan has its own duct 2 fans can used the same duct
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