Manual fire alarm button
Introduction
The manual fire alarm button adopts a push alarm method. When the on-site personnel confirm that a fire has occurred, pressing the plexiglass piece on the manual alarm button can send an alarm signal to the fire alarm controller. This alarm button adopts modern technology and uses a microprocessor chip and non-volatile memory inside. It has powerful processing functions and accurate and reliable alarms. The starting parts are reusable and the detector can be reset using special tools.
Main features and technical indicators
◆Wire system: non-polar two-wire bus
◆Encoding method: electronic writing code, simple and convenient operation
◆Advanced three-proof processing technology, effective resistance Corrosion from moisture, mildew, salt spray, etc.
◆Startup part type: reusable
◆Startup method: manually press the plexiglass sheet
◆Reset method: manual reset with special tools
br/> ◆Working voltage:
Bus pulse
◆Working current: monitoring current, alarm current
◆Using environment: temperature~+℃
,
relative humidity %
～% (
No condensation)
◆Weight:
◆Alarm confirmation light: red
◆Casing material and color: B red.
◆Status display
Normal monitoring status: the light flashes periodically. Alarm status: the light is always on. Fault status: the light is always off or flashes irregularly
Wiring and installation
Wiring Requirements: The insulation resistance between lines and between lines and the earth is greater than 1, and the resistance of a single line in the detection bus loop is less than 1.
The bus loop of this system adopts a two-wire system, regardless of polarity. There is a wiring terminal on the base of the manual alarm button. When wiring, the two buses of a certain circuit are crimped to the terminals R and R on the base of the detector. If the product is a fire hydrant button, the normally open contact is the terminal R and r, < br/>After the base is firmly installed, align the bottom of the detector with the base and press it in to install the manual alarm button on the base.
The detector should be encoded with an electronic encoder before installation.
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