54
FIRE DAMPER - FD
Spare parts
Smoke sensor
FD-A-UG-5-AFR-24V
Smoke sensor
FD-A-UG-5-AFR-230V
A
Sampling tube
FD-A-ST5
B
Rubber gasket
FD-A-HFU204
C
Isolation extension
FD-A-HFU500
SMOKE SENSOR
ASSEMBLY
FD-SSA
Smoke sensor assembly is developed to detect
smoke in ventilation ducts and combines a smoke
detector and an adaptor system where both tube and
housing are specially designed for optimum airflow
through the smoke detector. Smoke sensor provides
the signal for the fire damper which is activated when
smoke is detected. Smoke sensor assembly consists
of casing (length: 415 mm), smoke sensor and
specially designed venturi pipe inside the duct.
For proper functioning of the smoke sensor (as it
is physically connected as in the render above) a
straight length of 5 times hydraulic diameter, in the
size of the connecting duct, should be in front of the
sensor. When the sensor is installed separate from
the fire damper there are two conditions to be met:
1) Length of 5 times hydraulic diameter, in the size of
the connecting duct, should be in front of the sensor.
2) Length of 3 times hydraulic diameter, in the size of
the connecting duct, should be after the sensor.
dh=(2xHxB)/(H+B)s, dh - hydraulic duct diameter.
Wiring diagram
Technical specifications
FD-A-UG-5-AFR-24V
FD-A-UG-5-AFR-230V
Voltage Supply
24V AC/DC -15%, +10%
Not polarity sensitive
230V AC -15%, +10%
Not polarity sensitive
Detector type
Optical UG-5-AFR-24V
Optical UG-5-AFR-230V
Max. power consumption
220 mA
30 mA
Operating temperature
-10°C to +55°C
Maximum humidity
99% rH
Duct air velocity range
1 to 20 m/s
Approvals
VdS CE, EN-54-27
Relay output
Potential free
Smoke alarm relays
Two changing contacts 250V, 8A
Service alarm
One breaking contact 250V, 5A
System error alarm
One breaking contact 250V, 5A
Low Flow alarm:
One breaking contact 250V, 5A
LED on smoke detector:
Green - service alarm (contamination)
Red - smoke alarm
LED on PCB:
Green - normal operation
Yellow - system error
Yellow - Low-Flow
FD-A-UG-5-AFR-24V
FD-A-UG-5-AFR-230V
(1)
Type
(2)
Accessories
(3)
Dimension
(4) Voltage
FD-A
-
SSA
- 400x300
- 24
(1)
(2)
FD-A
- Accessories for fire damper
SSA
- Smoke sensor assembly
(3)
(4)
BxH nominal size of the rectangular fire damper
24
- Smoke sensor 24 V
230
- Smoke sensor 230 V
A
B
C
AIR FLOW DIRECTION
ACCESSORIES
