Techconnet offers automatic
Air-Blast Systems for all professional
Smoke Aspiration Detectors with 1 to 4 sensor pipes.
The operational safety of
aspirating smoke detectors can be significantly increased. Customers benefit
this way permanently and sustainably. The Techconnet "BlowOff" Air-Blast Units,
tested in accordance with EN 54-20 standard, enable trouble-free maintenance of
the air-flow-monitoring of the ASD through permanent removal of dirt-and dust
in the sensor pipes. Therefore, sensor pipe related faults and failures of ASD can be prevented.
Product features:
durable, high performance industrial components
The control is carried out automatically by a PLC timer with a specially developed control program
Large-inch valves guarantee unimpeded suction pressure
Easy installation and quick coupling for compressed air supply
compact, powder-coated metal housing
Casing door can be folded down and locked twice.
Blow-out times pre-programmed four times daily (01:00, 07:00, 13:00, 19:00) or individually
programmable in freely selectable intervals
Each sensor pipe can be cleaned non-scheduled manually or optionally triggered by the
ASD
Input contact is available to deactivate the cleaning in process in case of pre-alarm or
alarm of the fire detection system
Output contact is available to prior notification of a cleaning interval to the smoke
aspiration detector and/or the fire alarm system in order to prevent fault messages of the
fire dtection system during the air-blast process
Free output contact via potential-free (normally open) contact for other signaling or switching
purposes
Optional: adjustable, integrated control cabinet block heating with thermostat for safety even at
lowest outside temperatures
Optional: compressed air monitoring
Existing ASD systems can be retrofitted / upgraded on site
Areas of application
Automatic maintenance of Smoke Aspiration Detector Systems is particularly useful
in harsh environments. If ASD are very often disabled due to dust, moisture, micro-conditions and aggressive air,
Aspiration Smoke Detectors should be retrofitted with Air-Blast Systems.
Waste management
Train / subway stations
Mining
Chemical industry
High-bay warehouse
Wood industry
Cathedrals
Food industry
Exhibition halls
Metalworking
Mills
Museums
Paper industry
Cement industry
Product versions:
BO 2.1 HD Automatic Air-Blast System with one pipe
Automatic Air-Blast device "BlowOff" for fully automated
cleaning of sensor pipes of Aspirating Smoke Detectors. Suitable for connection of a single-pipe
system up to max. 300 m pipe length.
The Air-Blast Device is installed directly between the aspirating
smoke detector and the pipe network. It cleans the sensor pipe by means of compressed air. By controlled
air-blast of the sensor pipes existing pollutions are removed, new deposits are prevented.
Technical specifications:
1-pipe system
Operating voltage 230 V AC or 24 V DC
Dimensions W x H x D (mm) 700 x 500 x 250
IP Rating IP 65
Protection class 1
Temperature
range from + 40 ° C to -5 ° C; (with heating - optional + 40 ° C to -20 ° C)
Tested by VdS according to EN 54-20 standard with aspiration smoke detectors
manufactured by Wagner and Honeywell/Xtralis (VESDA). Tetst with further brands are in progress.
BO 2.2 HD Automatic Air-Blast System with two pipes
Automatic Air-Blast device "BlowOff" for fully automated cleaning
of sensor pipes of Aspirating Smoke Detectors. Suitable for connection of a two-pipes system or two single-pipe
systems up to max. 300 m pipe length.
The Air-Blast Device is installed directly between the aspirating
smoke detector and the pipe network. It cleans the sensor pipe by means of compressed air. By controlled air-blast
of the sensor pipes existing pollutions are removed, new deposits are prevented.
Technical specifications:
2-pipes system
Operating voltage 230 V AC or 24 V DC
Dimensions W x H x D (mm) 700 x 500 x 250
IP Rating IP 65
Protection class 1
Temperature
range from + 40 ° C to -5 ° C; (with heating - optional + 40 ° C to -20 ° C)
Tested by VdS according to EN 54-20 standard with aspiration smoke detectors
manufactured by Wagner and Honeywell/Xtralis (VESDA). Tetst with further brands are in progress.
BO 2.3 HD Automatic Air-Blast System with two pipes
Automatic Air-Blast device "BlowOff" for fully automated cleaning of sensor pipes of Aspirating Smoke Detectors. Suitable for connection of a three-pipes system or three single-pipe systems or
a two-pipes and a single-pipe system up to max. 300 m pipe length.
The Air-Blast Device is installed directly between the aspirating smoke detector and the pipe network.
It cleans the sensor pipe by means of compressed air. By controlled air-blast of the sensor pipes existing pollutions are removed, new deposits
are prevented.
Technical specifications:
3-pipes system
Operating voltage 230 V AC or 24 V DC
Dimensions W x H x D (mm) 700 x 500 x 250
IP Rating IP 65
Protection class 1
Temperature range from + 40 ° C to -5 ° C; (with heating - optional + 40 ° C to -20 ° C)
Tested by VdS according to EN 54-20 standard with aspiration smoke detectors manufactured by Wagner and Honeywell/Xtralis (VESDA). Tetst with further brands are in progress.
BO 2.4 HD Automatic Air-Blast System with four pipes
Automatic Air-Blast device "BlowOff" for fully automated cleaning of sensor pipes of Aspirating Smoke Detectors. Suitable for connection of a four-pipes system or four single-pipe systems or
two two-pipes systems or a three-pipes and a single-pipe system up to max. 300 m pipe length.
The Air-Blast Device is installed directly between the aspirating smoke detector and the pipe network. It cleans the sensor pipe by means of compressed air. By controlled air-blast of the sensor pipes existing pollutions are removed, new deposits are prevented.
Technical specifications:
4-pipes system
Operating voltage 230 V AC or 24 V DC
Dimensions W x H x D (mm) 700 x 500 x 250
IP Rating IP 65
Protection class 1
Temperature range from + 40 ° C to -5 ° C; (with heating - optional + 40 ° C to -20 ° C)
Tested by VdS according to EN 54-20 standard with aspiration smoke detectors manufactured by Wagner and Honeywell/Xtralis (VESDA). Tetst with further brands are in progress.
