Permitted exhaust air systems
Exhaust air system | ER-APB | ER-AP |
|---|---|---|
PAM-GLOBAL RML cast ventilation system * | yes | no |
Ceiling barrier system ** | no | yes |
System with fire-proof shaft * | yes | no |
Air extraction system without fire protection ** | yes | yes |
* ER-APB can be used
- on the shaft, connection duct made of flexible aluminium duct;
- outside the shaft, connection duct made of steel folded spiral-seams duct.
** ER-AP can be used on the shaft or outside the shaft, connection duct made of flexible aluminium duct.