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Installer’s Handbook

LM 80024 • Issue 3

High Sensitivity Smoke Detector

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Summary of Contents for Micra 100

Page 1: ...Installer s Handbook LM 80024 Issue 3 High Sensitivity Smoke Detector WWW UKPANELS COM ...

Page 2: ...tions without notice Stratos Micra 25 Stratos Micra 100 Stratos HSSD Stratos Quadra SenseNET FastLearn and ClassiFire are trademarks of AirSense Technology Ltd Copyright 2005 AirSense Technology Ltd Introduction 3 1 Indicators 4 2 Inside the Detector 5 3 Programming the Detector 7 4 Other remote software features 14 5 Design Limitations 19 6 Installation 21 7 Interfacing 25 8 Event Log 30 9 Commis...

Page 3: ...Referencing please refer to the complete Technical Manual or System Design Guide This equipment is Class 111 as defined in EN60950 i e this equipment is designed to operate from Safety Extra Low Voltages and does not generate any hazardous voltages This label is located on the laser chamber and signifies that the unit is a Class 1 Laser product as specified in IEC 60825 1 The unit incorporates a C...

Page 4: ... level has been reached and the appropriate time delays have expired Fault Illuminates when the unit has a fault and a fault signal is being sent to the fire alarm panel OK Illuminates to show normal operation when there are no faults The OK lamp will flash during the 15 minute Fastlearn period when the detector is first learning about its environment 1 2 3 1 2 3 WWW UKPANELS COM ...

Page 5: ... Iss 3 4 3 2 2 1 Interior view 1 Removable terminal blocks see section 2 2 2 Filter see section 10 3 Addressable bus interface card APIC port see section 7 3 4 Detector address DIP switch see section 7 1 5 RS232 serial port see section 7 4 6 Fan relay board see section 5 2 1 5 1 6 WWW UKPANELS COM ...

Page 6: ...AULT relay contacts 2 Normally open FIRE relay contacts 3 APIC addressable bus connections for use in conjunction with interface card see sections 5 2 2 and 7 3 4 RS485 SenseNET connections see sections 5 2 2 and 7 2 1 5 Power supply connections see section 5 2 1 6 Connection to fan relay board see section 5 2 1 1 2 3 4 6 5 WWW UKPANELS COM ...

Page 7: ...lect the detector number corresponding to the con nected detector s address number if the address is other then the factory default set ting of 1 see section 7 1 The programmable functions are all accessed though the Options Ô Detector set tings submenu or by clicking on the detector symbol in the remote software toolbar as indicated below The software will display a prompt for the detector s acce...

Page 8: ...bgroup The alarm delay is the number of seconds that an alarm level has to be continuously sensed before the alarm is initiated Each alarm level has a programmable delay of between 0 and 90 seconds The default delay for each alarm level is 5 seconds 3 4 ClassiFire override Alarm levels and delays tab This function has no current use on the Stratos Micra 100 but is reserved for future expan sion pu...

Page 9: ...etector is in FastLearn mode unticking this box will stop the FastLearn process Using the function in this way is neither recommended nor supported by AirSense Technology Ltd Ticking the box will start a FastLearn at any time The green OK LED on the front of the detector will flash for the fifteen minutes that it takes for the FastLearn process and will then change to constant illumination to indi...

Page 10: ...ght switching tab These values are the times to the nearest hour at which the day night switching is desired to take place on the detector Entries are made in 24 hour format e g 19 for 7pm Day and night switching is intended so that the detector may automatically select a different sensitivity when the protected area is unoccupied and fewer contaminants are being produced ClassiFire automatically ...

Page 11: ...lt signal is extinguished as soon as the fault condition ends This is the factory default setting 3 17 Cascading alarms Alarm actions tab Ticking this function box means that only when the detector s controller has gone into Pre Alarm does the controller start counting down the main Fire delay i e the time delays on Pre Alarm and Fire 1 are cumulative The Aux alarm is not included in the cumulativ...

Page 12: ... if one has previously been allo cated in Reference detector see section 3 23 This function is disabled by default 3 25 Reference level Referencing tab The value set with this function is the percentage reference signal subtracted from the detector s signal if a reference device has been allocated The default value is 0 3 26 Reference back off Referencing tab This value is the delay time between a...

Page 13: ... 50 seconds 2 Detector output 12 seconds 2 minutes 3 Detector output 30 seconds 5 minutes 4 Detector output 1 minute 10 minutes 5 Detector output 2 minutes 20 minutes 6 Detector output 5 minutes 50 minutes 7 Detector output 10 minutes 100 minutes 8 Detector output 20 minutes 200 minutes 9 Detector output 50 minutes 500 minutes 10 flow recording 1 second 10 seconds 11 flow recording 5 seconds 50 se...

Page 14: ...e section 10 Maintenance for further details 3 35 Factory default Miscellaneous tab Enabling this function will reset each programmable function to the default value indi cated in the text where a default setting is specified It will also put the detector into FastLearn mode regardless of whether or not Auto Fastlearn is enabled see section 3 8 This ensures that the flow setups and alarm threshold...

Page 15: ...shown in blue the fast his togram which updates every 15 minutes feeding information to the long term slow histograms which appear in yellow These set the detector sensitivity based on the ambient smoke conditions and it takes 24 hours for the two slow histograms the day and the night histograms to complete their learning phase see section 3 7 Detector sensitivity is based on the fast histogram du...

Page 16: ...inutes remaining in the FastLearn period When this period has elapsed it will read OFF Alarm factor This is the ClassiFire alarm factor see section 3 5 Alarm factor Day night This indicates the currently active slow histogram Alarm levels These figures give the position of the various alarm flags in terms of a percentage of full scale deflection Detector output This shows the real time variation i...

Page 17: ...ile menu option in the chart recording window allows the chart recording to be saved to disk or printed to a connected printer and allows a previous ly saved chart recording to be loaded Chart recording files have the extension rcw Where a custom set of programmable function settings is commonly used these may conveniently be saved to or loaded from disk To open a detector function settings dfs fi...

Page 18: ...elect Detector settings dfs as indicated below A list will appear of all detector settings files stored on the current drive As a special case if desiring to recall the factory default settings there is a file named default dfs in the remote2k directory Loading this file will reset the detector to the factory default WWW UKPANELS COM ...

Page 19: ...ircumstances is not recommended If detection in environments conforming to these descriptions is required alternative versions of Stratos products should be used Maximum length of sampling pipe used with the Stratos Micra 100 detector is 100 metres in STILL AIR with 25 sampling holes or Capillary Remote Sampling Points This will provide a transport time from the end of the sampling pipe within 120...

Page 20: ...eiling Stratos Micra 100 Sampling pipe Above ceiling sampling with detector mounted in ceiling void Note The piped exhaust docking station needs to be used in this case False ceiling Exhaust pipe Stratos Micra 100 Sampling hole Sampling pipe A Above ceiling sampling with exposed detector WWW UKPANELS COM ...

Page 21: ...mpling points in positions to which smoke may reasonably be expected to travel Do not expect ceiling mounted sampling points to operate satisfactorily if air flow from air conditioning systems keeps the cool smoke from an incipient fire reaching from reaching ceiling level In this instance it is usually better to locate the sampling pipe directly in the airflow for example across the return air re...

Page 22: ...g detection systems must be consulted as these standards differ throughout the world Specific advice for one country may not be applicable to another The following is a brief set of guidelines on installing detectors n The detector will normally be mounted at a level where there is easy access to the unit for configuration and programming n The exhaust air from the unit must not be impeded in any ...

Page 23: ...o aid in the connec tion process NB All connections should be made with the power turned off 6 2 1 Power supply connections The power supply cable should be of screened type and should be led through the metal cable gland provided leaving about 35mm of the cable extending from the bot tom of the cable gland Depending on the type of cable used it may be necessary to increase the diameter of the cab...

Page 24: ...ither the three way terminal block next to the power supply socket if con necting the detector to a SenseNET system or the four way Bus terminal block if connecting the detector to an alarm panel in conjunction with the APIC addressable bus card see section 7 3 For example in a SenseNET system using screened cable connect the screen wire s to the SCN terminal Bus A wire s to the A terminal and Bus...

Page 25: ...minal blocks into the relevant sockets on the detector PCB they will only click fully home in the correct orientation and replace the detector cover using the four M3 pan head screws provided NB The detector is designed solely for operation with the front cover securely fit ted using all four fixing screws Removing the detector is simply the reverse of this process leaving the pipe work and wiring...

Page 26: ...tor address In order to identify itself to the PC Command Module or fire panel each detector needs to have a unique address ranging from 1 to 127 The detector address is simply set on the DIP switch SW1 at the bottom left of the opened detector on the main circuit board The switch settings are on for 1 and off for 0 and the detector address is set as a 7 bit binary code switch 8 equates to a value...

Page 27: ... 1 0 0 55 1 1 1 0 1 1 0 0 56 0 0 0 1 1 1 0 0 57 1 0 0 1 1 1 0 0 58 0 1 0 1 1 1 0 0 59 1 1 0 1 1 1 0 0 60 0 0 1 1 1 1 0 0 61 1 0 1 1 1 1 0 0 62 0 1 1 1 1 1 0 0 63 1 1 1 1 1 1 0 0 64 0 0 0 0 0 0 1 0 65 1 0 0 0 0 0 1 0 66 0 1 0 0 0 0 1 0 67 1 1 0 0 0 0 1 0 68 0 0 1 0 0 0 1 0 69 1 0 1 0 0 0 1 0 70 0 1 1 0 0 0 1 0 71 1 1 1 0 0 0 1 0 72 0 0 0 1 0 0 1 0 73 1 0 0 1 0 0 1 0 74 0 1 0 1 0 0 1 0 75 1 1 0 1 0 ...

Page 28: ...s If this is done it is recommended that bare wire joints be insulated to prevent possible shorting of the data bus which will cause a drop out of data on the SenseNET bus In the above example there could be a total length of RS485 cable of up to 1 2km between the Command Module and Detector 3 since these are all on a single bus However Detector 3 is a Stratos HSSD 2 which has a second communicati...

Page 29: ...al connectors shown in Section 6 2 2 The only settings that need to be made are on the APIC address DIP switches The start loop address Is entered on SW1 and the end loop address on SW2 In the case of a sin gle Stratos Micra 100 the start and end addresses will be the same NB The detector address on the SenseNET loop and the Fire Panel addressable protocol address are the same i e no address trans...

Page 30: ...to a PC To connect a single stand alone detector to a PC connect the PC s serial port directly to the detector s 9 way RS232 port Connections for this cable are shown below 9 pin female D connector 2 3 5 7 8 3 2 5 8 7 9 pin female D connector Serial port connection to PC serial port WWW UKPANELS COM ...

Page 31: ...t operation demonstration mode start stop FastLearn start stop Power on or off The detector stores an internal log of the last 200 events and this can either be viewed on a PC screen or downloaded to disk by use of the remote control software When the event log is full 200 events are stored and a new event occurs the oldest event in the log is deleted First In First Out To download the event log c...

Page 32: ...tension evl Save As saves the current event log as a evl file with a user defined name Print prints the event log to a connected printer Filter clicking on this option brings up the following screen This allows the user to limit the information printed or viewed on the PC screen For example the user might wish to concentrate on alarm events only To do this click on None which unticks all boxes and...

Page 33: ...tely and let the smoke fully dissipate 7 Perform another FastLearn this time not putting the detector into demonstration mode The detector will generate no alarms during the 15 minute FastLearn period and after this the detector will operate at a reduced sensitivity for 24 hours whilst ClassiFire acclimatises to the protected environment and sets up appropriate day and night sensitivity settings 9...

Page 34: ...lt and the dust separator will need replacing To replace the filter simply remove the front cover and pull the filter out from the main unit Slide the replacement filter in so that the Direction of flow arrow printed on the carton duplicates that on the Direction of flow label beside the filter slot It is recommended that dust separators be changed at an interval of not more than 3 years After rep...

Page 35: ...bol indicated below The following message will then appear on the screen The software will then scan the loop for up to 127 detectors For a single detector wait until the first detector has been identified and the window indicates that it is scanning for Detector 2 then press the Cancel button The following window appears Click on the list entry to highlight it and click on the Diagnostics button ...

Page 36: ...ay of the detector output and flow rate which updates in real time Relays Brings up a screen allowing the function of the volt free Fire and Fault LEDs to be tested with the aid of a continuity meter or other tester The Fire relay contacts are open in normal operation and will close on test The Fault relay contacts operate on a Fail safe basis and are held closed in normal operation They will ther...

Page 37: ...active periods see section 3 11 11 3 Elevated smoke levels do not generate alarms Check that detector is not Isolated or in FastLearn if Isolated the Fault light will be lit Check that the detector sampling points are in the smoke stream Check that the correct ClassiFire alarm setting has been set see section 3 5 Check that the detector has either had a 24 hour learning period or that it has been ...

Page 38: ...e and sampling from an enclosed room this may lead to flow faults In this case it would be necessary to lead a pipe from the exhaust to the protected area to ensure normal flow This will require the detector to be installed using the piped exhaust docking station see section 6 1 11 6 1 Low flow error messages Check that the pipe giving the error is not blocked Check that the low flow fault thresho...

Page 39: ...ameters of the detector temperature 10 to 60 C humidity 0 90 non condensing DON T 8 Forget to set the appropriate ClassiFire alarm factor for the area to be detected 8 Forget to set the Detector Address Switches correctly when used in a network 8 Site detectors in damp or exposed areas 8 Remove or connect boards when the detector is powered up 8 Connect internal 0 volt terminals to local earth 8 A...

Page 40: ...tering mass detection Particle sensitivity range 0 0003µm to 10µm Current consumption 400mA Relay contact rating 500mA 30V Maximum sampling pipe length 100 metres total see design limitations on section 5 Sampling pipe inlets 2 Sampling pipe internal diameter 15 25mm Alarm levels 4 Fire 2 Fire 1 Pre Alarm and Aux 1 relay as standard others available Chamber service intervals Greater than 8 years d...

Page 41: ...g 513 1067 SR Amsterdam Nederland Tel 31 0 20 669 41 90 Fax 31 0 20 669 18 52 e mail info airsense nl AirSense Oy Huvilaniementie 21 48930 Tiutinen Finland Tel 358 0 208 652131 Fax 358 0 401 652131 e mail matti valtonen airsense inet fi AirSense Engineering SDN BHD 49 5 Jalan PJU 1 37 Dataran Prima 47301 Petaling Jaya Selangor Darul Ehsan Malaysia Tel 60 3 7805 5511 Fax 60 3 7805 5840 e mail airse...

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