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VDOT-ASD-100

Aspirating Smoke Detector

User’s Manual

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Summary of Contents for VDOT-ASD-100

Page 1: ...VDOT ASD 100 Aspirating Smoke Detector User s Manual...

Page 2: ...Introduction 3 Features 3 Specification 5 Sampling Pipework Design 8 Considerations 8 Design Guidelines 11 Installation 14 Mechanical Installation 14 Electrical Installation 16 Front Panel 21 Control...

Page 3: ...must be set to very sensitive and is closed to environment background smoke level This makes the system very easy to have unwanted or false alarms The prefer detection zone size of VDOT ASD 100 is on...

Page 4: ...ay Outputs l 3 in 1 Control Display Programmer Front Panel l RS485 Network l Support Modbus RTU Open Protocol Note Maximum pipe length and maximum number of sampling holes cannot be achieved at the sa...

Page 5: ...0m 18 holes 60m 25 holes Two Branch Pipes 2x80m 2x15 holes Four Branch Pipes 4x 60m 4x10 Holes EN54 20 Class B Maximum 60 holes totally Two Branch Pipes 2x60m 2x25 holes Four Branch Pipes 4x 60m 4x15...

Page 6: ...Fault Adjustable Flow Detection Sensitivity Adjustable Flow Fault Threshold Relay Output 7 Relays on Termination Board Configurable Rating 2A 30 VDC General Purpose Inputs 4xGPIs Configurable GPI Func...

Page 7: ...ector Airflow System Auxiliary Isolated indicator Beeper Programmer Access Password Controlled Bargraph and 6 digits 7 Numerical LEDs display the function Func buttons to change settings Event Logs Nu...

Page 8: ...int of supply or extract its system sensitivity may be directly related as equal to the sensitivity of the central detector due to the cumulative effect In the case of a system monitoring more than on...

Page 9: ...from a protected area should not exceed 120 seconds 2 minutes Transport times in excess of this must be the subject of a variation Shorter maximum transport times may be desirable in certain applicat...

Page 10: ...VDOT ASD 100 Aspiration Detector Velocity Detection 10 VDOT ASD 100 Aspirating Smoke Detector User s Manual V1 Two branch system Four branch system...

Page 11: ...D 21mm Other sizes will often work but will provide different response times l Maximum pipework limitation The limitation of each pipe inlet of VDOT ASD 100 when the aspirator speed set to 10 is 100m...

Page 12: ...ity are within desired limits l System Sensitivity The recommended maximum number of sampling holes on the pipework to achieve desired relative sampling hole sensitivity is as follows Class A 40 holes...

Page 13: ...VDOT ASD 100 Aspiration Detector Velocity Detection 13 VDOT ASD 100 Aspirating Smoke Detector User s Manual V1 Typical VDOT ASD 100 Pipework Configurations Two Branch Pipe Four Branch Pipe...

Page 14: ...rried out by suitably experienced and trained personnel Mechanical Installation Dimensions l The mounting holes in each corner are used to mount the device on the wall It is recommended the device is...

Page 15: ...ded to open the entry holes Sampling pipes Sampling pipes should be made from a non hazardous material and should be clearly identified Typical sampling pipes used in air sampling systems are ABS uPVC...

Page 16: ...l the electrical connections should be made to the removable connectors on the termination board or the relay board if it equipped Cables Power cable should be 2 0mm2 2C of sufficient current carrying...

Page 17: ...s Two 24Vdc power terminals on the termination board One must be connected to a 24 20 19 6 28 8 DC Power Supply The device may be powered by any EN54 4 compliant monitored 24DC power supply of suffici...

Page 18: ...Isolate and Auxiliary The relay output function printed on the termination board is the factory default setting Users can change the relay function using front panel display or the Management compute...

Page 19: ...evel is usually higher than the non working hours Sometimes outside pollutants go into the detection area can generate false alarm There are needs to decrease the sensitivity to prevent the false alar...

Page 20: ...or another 1 2km l RS 485 Network can be configured in closed loop for better communication reliability The communication can switch direction to communicate with devices behind the failure point when...

Page 21: ...Detector User s Manual V1 Front Panel The VDOT ASD 100 front panel is a Control Display Programmer 3 in 1 LED display Bargraph LED 20 segments Power Indicator Isolate Indicator 6 digits Numerical Dis...

Page 22: ...f there s any malfunction LED The difference of SILENCE and ISOLATE is that SILENCE is used to silence beeper confirming the alarm or fault status When there is a new alarm or fault in occurrence the...

Page 23: ...ult Latch function is enabled A manual reset will be needed to clear the alarm or fault o 6 digits Numerical LED In normal operation the 6 digit numerical LED displays real time smoke level airflow le...

Page 24: ...nction is airflow related parameters ON In executing flow normalization Flashing ADDR Display the RS485 address of the device ON AUX Display code of current event and code ON Display Item Numerical LE...

Page 25: ...Sensor 4 High Alarm A12 Sensor 4 Low Alarm High High Alarm A13 Sensor 5 High Alarm A14 Sensor 5 Low Alarm High High Alarm Smoke Detection Fault E1 Smoke Detector Failed E2 Smoke Detector Service Requ...

Page 26: ...ecute REST ISOLATE SILENCE TEST function as well as to display the figure of Smoke Flow Addr Evt by numerical tube while in setting mode the setting of related operating parameters of detecting device...

Page 27: ...ion u Bargraph grid represents parameter no ex Enter parameter 15 will lead 15th Bargraph grid starts to flash Enter parameter 21 will lead 20th and 01 Bargraph grid in flashing the rest may be deduce...

Page 28: ...0 Aspiration Detector Velocity Detection 28 VDOT ASD 100 Aspirating Smoke Detector User s Manual V1 SILENCE Press and hold for 2 sec Save setting the numerical LED will flashes 3 times if successfully...

Page 29: ...xpired The detector will generate Fire 2 Alarm 2 Time Delay Alert Delay t1 0 60 30 The alarm delay is the number of seconds that an alarm level has to be continuously sensed before the alarm is initia...

Page 30: ...This is the factory default setting When this function is set to N the alarm will be reset automatically when the smoke level is decreased below alarm threshold Fault Latch FL N Y N When this functio...

Page 31: ...store events in the event log ADM MM Month NN 01 12 05 DD Day dd 01 31 18 HH Hour HH 01 23 19 MM Minute nn 00 59 36 SS Second SS 00 59 0 15 System Address Ad 1 250 250 Setting the device RS485 address...

Page 32: ...e this value to the original smoke alarm thresholds when relevant GPI is activated This setting must work with the GPI which is set to Sensitivity Mode 1 or 2 If this function value is set to be great...

Page 33: ...s of background particulate matter testing methodology would be similar to that of standard point detectors Commissioning Check List The following brief checklist allows quick setup of the detector Th...

Page 34: ...network can be synchronized by the Management System Software at the same time 2 Set the time delays temporarily to 0 second when testing the transport time is appropriate to eliminate the alarm dela...

Page 35: ...f the detector as shown Untighten the screw in the middle of the filter to remove the filter Fit a new filter make sure to push the filter fully home and tighten the screw When the replacement filter...

Page 36: ...nput voltage using a meter to make sure the power is within normal range o Check the Device Display a Press the Test button if it s enabled to check if all the LEDs on the display illuminates normally...

Page 37: ...e g CIE BMS a Activate the fire relays in the relay test menu or introduce smoke to put the detector into alarms to check if there s associate alarm generated on the fire alarm panel if it s connected...

Page 38: ...system a sampling pipe must be removed from the pipe inlet and introduce high airflow providing by a compressor into the sampling pipe to blow off the dust in the pipework and the sampling holes Alter...

Page 39: ...ector Velocity Detection 39 VDOT ASD 100 Aspirating Smoke Detector User s Manual V1 Velocity Detection Address Detection House 72 78 Morfa Road Swansea SA1 2EN UK Email sales Velocitydetection com htt...

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