VESDA-E VEP
VESDA-E VEP
VESDA VLF (LaserFOCUS) Specifications

VESDA VLF (Laser Focus).

LaserFOCUS Detector Specifications

Supply Voltage:

18 to 30VDC

 

Power Consumption @ 24VDC:

VLF-250: Quiescent 220mA - In Alarm 295mA

VLF-500: Quiescent 410mA - In Alarm 490mA

 

Dimensions (WHD):

255mm x 185mm x 90mm (9 7/8" x 7 1/8" x 3 1/2")

 

Weight:

Approx 2kg (4.4lbs)

 

Operating Conditions:

Detector Ambient: 0°C to 39°C (32° to 103°F)

Tested: -10° to 55°C (14° to 131°F)

Sampled Air: -20° to 60°C (-4° to 140°F)

Humidity: 5-95% RH, non-condensing

Please consult Ventec Systems Ltd for operation outside these parameters or where sampled air is continually above 0.05% obs/m (0.015% obs/ft) under normal operating conditions.

 

Sampling Pipe Network: View VLF Pipe Products

VLF-250: Maximum area of coverage 250 sq.m (2500 sq.ft)

VLF-500: Maximum area of coverage 500 sq.m (5000 sq.ft)

 

 

Maximum Pipe Length:

VLF-250: 1 x 25m, 2 x 15m

VLF-500: 1 x 50m, 2 x 30m

 

EN54-20 Max. No. Of Holes (Class A / B / C):

VLF-250: 12 / 12 / 12

VLF-500: 30 / 30 / 30

 

Pipe Modelling Design Tool:

ASPIRE™

 

Pipe Size:

External Diameter 25mm (1in)

Internal Diameter I5-2I mm (9/16in - 7/8in)

 

Programmable Relays:

3 Changeover Relays (Fire 1, Action, Fault), Contacts rated 2A @ 30VDC

 

IP Rating:

IP30

 

Filtration:

Field replaceable and monitored (Order Part No. VSP-005)

 

Cable Access:

3 x 25 mm (1 in) knockouts in various positions

 

Cable Termination:

Screw terminals 0.2-2.5sq mm (30-12 A.G.)

 

Sensitivity Range:

0.025 to 20% obs/m (0.0015 to 6% obs/ft)

 

Alarm Threshold Setting Range:

Alert / Action: 0.025 - 2.0% obs/m (0.008 - 0.625% obs/ft)

Fire 1 / Fire 2: 0.025 - 20.00% obs/m (0.008 - 6.25% obs/ft)

 

Display

  • 4 Alarm State Indicators
  • Smoke Level Indicator
  • Fault & Disabled Indicators
  • Instant Fault Finder
  • Reset, Disable & Test Controls
  • Smoke & Flow Autolearn Controls

 

Software Features:

Event Log: Up to 18,000 events stored on FIFO basis.

AutoLearn Smoke & Flow: Minimum 15 minutes, maximum 15 days.

Recommended minimum period 1 day. During AutoLearn thresholds are NOT changed from pre-set values.

 

Programming:

Direct Serial Connection (Order programming kit Part No. VSP-1315)

 

VESDA Wholesale

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