on
1 2 3 4
50% threshold X X OFF OFF
35% threshold X X OFF ON
25% threshold X X ON OFF
12% threshold
(extremely sensitive, only for special applications!)
X X ON ON
X Alarm relay saves the alarm OFF X X X
Automatic reset 5 s after the end of the alarm criterion ON X X X
Alarm relay after end of readjustment X OFF X X
X Fault relay at end of readjustment, no alarm X ON X X
The factory presets are shaded in gray.
* The recommended settings for connection to a fire panel are marked with X.
Use DIP switches 3 and 4 to set the required alarm threshold. The factory setting
is moderate sensitivity (35%) for normal environmental conditions. Select a
threshold of 50% in very dirty environments.
Use DIP switch 1 to select the «Save alarm » or «Auto Reset» function.
Select the following settings for connection to a fire panel:
- «Alarm relay saves the alarm»
- «Fault relay at end of readjustment, no alarm».
Plug connector
The plug connector can be accessed through the oval recess on the detector base
plate.
Table 3.: Pin assignment of the 8-pin connector (from left to right)
PIN number Wire color Function
1 Not assigned
2 blue Alarm relay, center contact (COM)
3 yellow Alarm relay, work contact (NO)
4 red Power supply +10 to +30 V DC
5 black Power supply -
6 green Fault relay, normally closed contact (NC)
7 white Fault relay, center contact (COM)
8 Not assigned
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