CDA EVX90SS Use And Maintenance page 8

Fix the upper bracket to the support structure
Fig. 4
Fasten the lower bracket to the upper bracket with the 8 screws supplied. We
recommend having an 85 - 100mm gap between the opening in the ceiling
and the lowest point of the lower bracket
Fig. 5
Fix the duct outlet to the extractor with the 4 screws supplied
Fig. 6
8 | Instruction Manual