8.9 Air flow monitoring
Proceed according to chapter 7.3 "Air Flow Monitoring".
8.10 Fault signal transmission
Proceed according to chapter 7.4 "Fault Signal Transmission".
8.11 Maintenance
intervals
Maintenance includes regular inspection. The air sampling smoke detec-
tion systems are checked during commissioning and then every three
months (quarterly). Every fourth inspection includes additional checks
which leads to the following distinction:
z
quarterly check
inspection
z
annual check
maint 4
th
annual inspection
Type of Check
Measure
Further Information in Chap-
ter
inspection visual
check
detector head and alarm trans-
mission
(1 x per group)
check of pipe system
air flow sensor adjustment
fault signal transmission
(1 x per group)
if necessary air filter check
8.1
8.2
8.3
8.4
7.4
maint
4
th
annual
inspection
visual check
detector head and alarm trans-
mission
check of pipe system
air flow sensor adjustment
fault signal transmission
air flow monitoring
exchange of the air flow sensor
filter
8.1
8.2
8.3
8.4
7.4
7.5
8.5
The filter of the air flow sensors is to be exchanged regularly!
INSTRUCTION