LaserSCANNER Installation Manual VESDA
®
4 Version 1.3
3. LaserSCANNER Specifications
Supply Voltage
18 to 30VDC
Power Consumption
See table 1, page 2
Dimensions (WHD)
350mm x 225mm x 125mm (13.8in x 8.9in x 4.9in)
Weight
4.0kg (9lbs) including Display and Programmer module
Operating Temperature
Tested to:-10° to 55°C (14°F to 131°F)
Detector Ambient: 0
°
to 39
°
C (32
°
F to 103
°
F) (Recommended)
Sampled Air: -20
°
to 60
°
C (-4
°
to 140
°
F)
Humidity: 10-95% RH, non-condensing
Sampling Pipe Network
Aggregate pipe length: 200m (650ft)
Pipe Modeling Design Tool: ASPIRE™
Pipe Size
Internal Diameter: 15-21mm (9/16 – 7/8in)
External Diameter: 25mm (1in)
(25mm to 1inch adaptor supplied for USA market)
Relays
7 or 12 Relays option. Contacts rated 2A @ 30VDC.
Programmable to energised or de-energised states.
Scan Sector Delay
Min 8 seconds, max 15 seconds
Scan Threshold Delay
Min 0 seconds, max 10 seconds
Relays Default
Configuration
7 Relays:
12 Relays:
Alert, Action, Fire 1, Fire 2, Maintenance, Urgent
Fault and Isolate. (7 x NO/NC contacts)
Alert, Action, Fire 1, Fire 2, Maintenance, Urgent
Fault and Isolate, First Alarm Sector 1 to 4 and
Scan. (10 x NO, 2 x NO/NC contacts)
IP Rating
IP30
Cable Access
8 x 25mm (1in) knockouts in various positions.
Cable Termination
Screw terminal blocks (0.2-2.5sq mm, 30-12 AWG)
Sensitivity Range
0.005 to 20.00% obs/m
(0.0015 to 6.25% obs/ft)
Threshold Setting Range
Alert: 0.005 – 1.990% obs/m
(0.0015 - 0.6218% obs/ft)
Action: 0.010 – 1.995% obs/m
(0.0031 - 0.6234% obs/ft)
Fire 1: 0.015 – 2.00% obs/m
(0.0046 – 0.625% obs/ft)
Fire 2: 0.020 – 20% obs/m
(0.0062 – 6.25% obs/ft)**
** Limited to 12% obs/m (4% obs/ft) in UL mode
Key Software Features
Event log:
Up to 18,000 events stored on FIFO basis.
AutoLearn: Minimum 15 minutes.
Maximum 15 days, 23hrs, 59 minutes.
Recommended minimum period 14 days.
During AutoLearn thresholds are NOT changed from
pre-set values.
Referencing:
Compensation for external ambient conditions.
Four Alarm Levels per Sector: Alert, Action, Fire 1 and Fire 2.
Two Fault Warning Levels: Maintenance and Urgent fault.
Maintenance Aids:
Filter and flow monitoring.
Event reporting via VESDAnet or event log.
Auto Scan and Thresholds Setting: Detector selects the
appropriate scan threshold automatically.
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