VSL2.909.025ASY
V1.03
Features
Addressable Heat Detector
Advanced embedded MCU
360°visible LED driven by Control panel
Manually addressing via a dedicated hand
held programmer.
Two Response Modes
：
A1R/A2
Designed to comply with EN 54-5
Description
The detector has pleasing appearance and is easy to install and maintain. It is suitable for the environment without
smoke but a lot of dust or the places where smoke and vapor stay such as indoor parking, kitchen, boiler room, tea
stove room, generator room and drying workshop.
Technical data
Operating Voltage:
16-28V(Modulated-pulse)
Standby Current:
≤0.5mA
Alarm Current:
≤1.0 mA
Wiring
Two-wire
（
non-polarized
）
Signal Transmission distance:
≤
2000m
Detector Classification
A1R or A2
Temperature range:
-10
℃～
50
℃
Humidity:
≤
95%RH,
（
40
±
2
℃）
No condensation
LED Alarm Indication:
Red light emitting
LED Polling Indication:
Red light flashing
IP Rating:
32
Installation
Dimensions
：
Showing on Fig.1
Fig.1 Dimensions
Installation and Operation Manual V1.03
VI-6637 Digital Heat Detector
Beijing VSAIL Fire Protection Equipment Co. Ltd.
Building 32, Huilongsen Technology Park,
No.99 14th Kechuang Street, BDA, Beijing, PRC
Common Base
VB-6617
Detector
VI-6637
