10
1X-E4 Series Operation Manual
Sounder activation during a fire alarm
The evacuation area sounders that are activated by fire alarms in fire detection
zones 1 through 4 are defined by the control panel operating mode, as shown
below.
Table 6: Sounder activation during a fire alarm
Operating mode
Sounder activation
NEN 2575 with four
evacuation areas
Sounders in evacuation area 1 are activated by a fire alarm in
zone 1.
Sounders in evacuation area 2 are activated by a fire alarm in
zone 2.
Sounders in evacuation area 3 are activated by a fire alarm in
zone 3.
Sounders in evacuation area 4 are activated by a fire alarm in
zone 4.
NEN 2575 with two
evacuation areas
Sounders in evacuation area 1 are activated by a fire alarm in
zone 1 or zone 2.
Sounders in evacuation area 2 are activated by a fire alarm in
zone 3 or zone 4.
NEN 2575 with one
evacuation area
All sounders are activated simultaneously by a fire alarm in any
zone