Connecting the pipe system to the aspirating smoke detector
3.3.1 Return line
If there is an air pressure difference of >45 Pa between the monitored area and the
aspirating fire detector, a return line is required.
Connection between aspirating smoke detector and return line
Damage to the return line and/or the aspirating smoke detector
● Do not glue the return line to the aspirating smoke detector! If the return line
has to be separated from the aspirating smoke detector for maintenance work
or repairs, the return line or the aspirating smoke detector may be damaged.
Press the return line securely into the air outlet on the aspirating smoke
You will find more information in document A6V10334435.
See also
Applicable documents [➙ 5]
19
Building Technologies
A6V10345654_h_en_--
Fire Safety 2015-05-29
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