2.2 External components
Fig. 2 Basic external components
Table 2: Component position and description
Position
Description
1.
Extract air damper A
2.
Exhaust air damper C
3.
Fire/Smoke fan
4.
Fire/Smoke damper B
DUPdT
Duct differential air pressure sensor
SFDT
Smoke and fire sensor
ATT
Ambient temperature sensor
Operation and Maintenance Instructions
209531
3
Systemair AB