Sensocon Siren Air Flow Alarm Installation Manual

The SiREn™ is an air flow monitor that
normal operating conditions the
flow drops below the set point, the SiREn™ LED bars will flash red and give an audible alarm until the
air flow returns to an acceptable condition or the silence button is pushed. The SiREn™ also has a
relay output, and night set back option.
Specifications
Operating Temperature: 60 - 100°F (16 - 37°C)
Velocity Range: 40 - 2000 fpm (0.2 - 10.2 mps)
Power: 12 - 24 VDC
Input Current: 0.5 A Max
Repeatability: 2%
Relay input: Night Set Back
Relay output: SPDT 2A @ 30 VDC
Audible Alarm: 87 dB
Probe Cable Length: 12ft (3.6m)
Power Adapter Cable Length: 6ft (1.8m)
Optional
Power Adapter Extension Cable: 6ft (1.8m)
Duct Mount Probe Installation
1. Drill a 5/8" (16mm) hole into the air duct at a minimum of 12"(30mm) above the exhaust and
12"(30mm) below any bends in the duct.
2. Determine the probe insertion depth (approx. center of exhaust duct) and tighten the probe gland
base (A) to that depth.
3. Insert the probe at an angle so that the duct is seated between the lip (B) and the fastener (C) of
the probe gland.
4. Ensuring that the opening of the probe is facing the direction of the air flow, rotate the probe the
rest of the way into the duct.
5. Tighten the probe to the duct by turning the fastener (C) counter-clockwise.
C
B
provides visual and audible indications for air flow status. During
SiREn™ will show green LED bars indicating a safe condition. If the air
12"
A
12"
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Dimensions
3.14"
(79.8mm)
Mounting Bracket
2.73"
(69.4mm)
2.45"
(62.2mm)
Duct Mount Probe
5.56" (141.2mm)
1.38"
(35.1mm)
Bulletin 114-0
3.14"
(79.8mm)
1.09"
(27.8mm)
2.73"
(69.4mm)
0.37"
(9.4mm)
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