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LS Control Alarm WE 981 Manual

Universal alarm with audible and visual alarm signals with sound mute function.
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Manual for Alarm WE 981
Universal alarm with audible and visual alarm signals with sound
mute function.
Alarm WE 981 is available in 3 models with different supply power.
• 100 – 240VAC (Product no. 49128)
• 15 - 40VDC or 24VAC (Product no. 49129)
• 11 – 14VDC or 9VAC (Product no. 49127)

Mounting

Alarm WE 981 is mounted according to the general applicable installation rules. Alarm WE 981 is
to be fixed on a plane and stable surface with screws in the 4 corner holes. Alarm WE 981 is not to
be fixed on moving or vibrating surfaces.
LS Control A/S
Manual: 950-205795_Alarm_WE_981_UK
Alarm WE 981
rev.1.2
Page 1 / 5

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Summary of Contents for LS Control Alarm WE 981

  • Page 1: Mute Function

    Alarm WE 981 is mounted according to the general applicable installation rules. Alarm WE 981 is to be fixed on a plane and stable surface with screws in the 4 corner holes. Alarm WE 981 is not to be fixed on moving or vibrating surfaces.

  • Page 2: Electrical Connections

    Manual for Alarm WE 981 Electrical connections All 3 models with different power supply are shown below: Terminal connections for Alarm WE 981 Terminal no Description Comments 0V (common zero) Light input (alarm when connected to 0) active low with internal pull up...

  • Page 3: Jumper Settings

    Manual for Alarm WE 981 Jumper settings Internal sound reset When the jumper is placed in position ON, it is possible to mute the audible alarm by pressing the sound mute button. It is possible to reactivate the sound by removing and reactivating the sound input on terminal 3.

  • Page 4: Connection Examples

    Manual for Alarm WE 981 Connection examples Simple alarm lamp 2 short circuits between terminals 1, 2 and 3 Internal reset of sound. Jumper in position ON. As soon as 24VAC is connected, the visual and audible alarms will be active. It is possible to deactivate the audible alarm by activating the sound mute button.

  • Page 5: Technical Data

    Manual for Alarm WE 981 Technical data Power supply (depending on model): 100 – 240VAC, Max 3W (Prod. No. 49128) 15 - 40VDC / 24VAC, Max 3W (Prod. No. 49129) 11-14VDC / 9VAC, Max 2W (Prod. No. 49127) Enclosure IP 22...

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