OH720, OP720, HI720, HI722 Automatic fire detectors
Technical Manual
A6V10212047_m_en_--
Building Technologies
2015-05-04
Control Products and Systems
Page 1: ...OH720 OP720 HI720 HI722 Automatic fire detectors Technical Manual A6V10212047_m_en_ Building Technologies 2015 05 04 Control Products and Systems ...
Page 2: ... communication thereof to others without express authorization are prohibited Offenders will be held liable for payment of damages All rights created by patent grant or registration of a utility model or design patent are reserved Issued by Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 CH 6301 Zug Tel 41 41 724 2424 www siemens com buildingtechno...
Page 3: ...ector 19 3 3 Function 20 3 3 1 Parameter sets 20 3 3 2 Danger levels 20 3 3 3 Diagnosis levels 20 3 3 4 Line separator 21 3 3 5 Internal alarm indicator in the case of ES 10 21 3 3 6 Extended flashing behavior of alarm indicators in the case of ES 10 22 3 3 7 Connection for external alarm indicators 23 3 3 8 Test mode 23 3 3 9 Behavior in degraded mode 24 3 3 10 Line tester 24 3 4 Mechanical setup...
Page 4: ...4 Detector base seal RS720 39 5 5 Base attachment BA720 40 5 6 Base attachment wet BA721 41 5 7 Detector locking device LP720 44 5 8 Designation plate FDBZ291 45 5 9 Cable entry 46 5 9 1 Auxiliary terminals DBZ1190 AA AB 47 5 10 Detector lines 47 5 10 1 Connection diagram addressed 47 5 11 Detector dust cap 49 5 12 Detector heating unit FDBH291 50 5 12 1 Installation of the detector heating unit 5...
Page 5: ...ired to run the project Has obtained suitable specialist training for the function and for the products Has attended the training courses for Project Managers Project engineer Sets parameters for product depending on specific national and or customer requirements Checks operability and approves the product for commissioning at the place of installation Is responsible for troubleshooting Has obtain...
Page 6: ...re shown in this document as follows Requirement for a behavior instruction 1 2 Behavior instruction with at least two operation sequences Version option or detailed information for a behavior instruction Intermediate result of a behavior instruction End result of a behavior instruction Numbered lists and behavior instructions with an operation sequence X Reference to a page number Text Quotation ...
Page 7: ...E3 StabexHF A6V10229261 List of compatibility for Cerberus PRO product line A6V10254740 Operating instructions Solo461 heat detector tester kit RE7T A6V10406006 Installation Base attachment wet BA721 Detector designation plate DBZ1193A Protective cage DBZ1194 EMC protective cage FDBZ294 Please also observe the documentation for your fire detection system 1 2 Download center You can download variou...
Page 8: ...mat in line with ISO 8601 specifications yyyy mm dd format various changes in the Specifications chapter editorial changes base attachment wet BA721 designation plate DBZ1193A protective cage DBZ1194 EMC protective cage FDBZ294 and detector heating unit FDBH291 added data sheet in Applicable documents chapter added Download center chapter added Internal alarm indicator chapter revised i 10 2011 De...
Page 9: ...e below shows the published language versions with the corresponding modification index Modification index en_ de_ fr_ it_ es_ m X X X X X l X X X X X k X j X X X X X i X X X X X h X X X X X g X X X X X f X X X X X e X X d X X X X X c X X X X X b X X X X X a X X X X X X published no publication with this modification index ...
Page 10: ...eral dangers the type of danger or possible consequences measures and prohibitions examples of which are shown in the following table General danger Explosive atmosphere Voltage electric shock Laser light Battery Heat Signal word The signal word classifies the danger as defined in the following table Signal word Danger level DANGER DANGER identifies a dangerous situation which will result directly...
Page 11: ...jury is shown as follows WARNING Nature and origin of the danger Consequences if the danger occurs Measures prohibitions for danger avoidance How possible damage to property is presented Information about possible damage to property is shown as follows NOTICE Nature and origin of the danger Consequences if the danger occurs Measures prohibitions for danger avoidance ...
Page 12: ...n accordance with the electrotechnical regulations Wherever possible disconnect products from the power supply when carrying out commissioning maintenance or repair work on them Lock volt free areas to prevent them being switched back on again by mistake Label the connection terminals with external external voltage using a DANGER External voltage sign Route mains connections to products separately...
Page 13: ...to faults malfunctioning and safety risks Written confirmation must be obtained from Siemens and the corresponding safety bodies for modifications or additions Modules and spare parts Components and spare parts must comply with the technical specifications defined by Siemens Only use products specified or recommended by Siemens Only use fuses with the specified fuse characteristics Wrong battery t...
Page 14: ...al injury and damage to property in the event of a fire Read the Release Notes before you plan and or configure a fire detection installation Read the Release Notes before you carry out a firmware update to a fire detection installation NOTICE Incorrect planning and or configuration Important standards and specifications are not satisfied Fire detection installation is not accepted for commissioni...
Page 15: ...e detector OH720 Smoke detector OP720 Heat detector static and differential HI720 Heat detector static only HI722 Can be used addressed on the C NET Can be used addressed on the C NET Can be used addressed on the C NET Can be used addressed on the C NET 2 parameter sets 2 parameter sets 1 parameter set Detection behavior can be selected Detection behavior cannot be selected 3 1 1 Details for order...
Page 16: ...he packaging label Details of the product version can be found directly on the packaging label in the barcode Figure 1 Example of a packaging label with details of the product version Product version on the product label and the type plate Details of the product version can be found after the device order number Figure 2 Example of a product label with details of the product version Depending on t...
Page 17: ...oke has been generated The combination of optical and thermal sensor signals optimizes detection reliability with the following benefits Early detection of all types of fire whether they generate light or dark smoke or no smoke at all The fire detector can be operated at a lower sensitivity level thus achieving improved immunity against false alarms which may be caused by cold aerosols In the even...
Page 18: ...as the same measuring chamber as the multi sensor smoke detector The smoke detector OP720 addresses itself automatically when the control panel is first switched on thus enabling individual identification in the event of an alarm If a short circuit occurs the defective part on the detector line is located by the control panel and isolated between two detectors In addition a loop line installation ...
Page 19: ...m temperature Number of parameter sets 2 1 Structure and function 1 Heat sensor The heat detector HI720 has two parameter sets A2S static and A2R differential The heat detector HI722 has one parameter set A2S static The heat detectors HI720 and HI722 address themselves automatically when the control panel is first switched on thus enabling individual identification in the event of an alarm If a sh...
Page 20: ... time and evaluated using algorithms Fire detectors can transmit the following danger levels to the control panel Danger level Meaning Comment 0 No danger Normal condition 1 Check situation A different parameter set should potentially be selected inappropriate application 2 Warning Possible danger 3 Alarm Fire Each fire detector has danger levels 0 3 The evaluation of the danger level and the deci...
Page 21: ...nal after a simple error 3 3 5 Internal alarm indicator in the case of ES 10 The point detectors have an internal alarm indicator The internal alarm indicator shows the point detector s operating status Operating condition Flashing mode of the IAI Normal IAI off Alarm IAI lights up every second Test mode IAI off Alarm in test mode IAI lights up every second The flashing behavior of the point detec...
Page 22: ... Test mode Normal IAI flashes red twice every 4 seconds Alarm IAI flashes red twice every 4 seconds and red every second in between Fault IAI off Not all fire control panels support the flashing patterns described A steady on flashing mode for the alarm and an alternative flashing mode for normal operation can be set using the Cerberus Engineering Tool software The above graphics are not valid in ...
Page 23: ...o external alarm indicators can be connected to each detector On the C NET it is possible to connect the external alarm indicator to any detector The trigger for activating the alarm indicator can be programmed at the control panel The flashing behavior of the point detectors in the case of ES 10 is described in the Extended flashing behavior of alarm indicators in the case of ES 10 22 chapter Inf...
Page 24: ...f an alarm it is possible to identify the C NET detector line but not the exact location of the detector triggering the alarm When a sounder base DBS720 is connected to the output for the external alarm indicator it is activated in degraded mode in the case of a fire alarm Degraded mode operation on the C NET is not supported in the same way by all control panels The information in the List of com...
Page 25: ... sounder base simply insert the point detector in the base and turn it either manually or using the detector exchanger DX791 until you hear and feel it snap in Properties Quick installation and secure contact The centered alarm indicator makes an alignment of the detector base superfluous Space for up to 4 auxiliary terminals Accessories are available for a variety of different applications and ca...
Page 26: ...54319 F11 A1 See also Detector base DB72x 36 3 5 2 Detector base DB722 For the mounting of point detectors Thanks to the loop contacts the detector line is not interrupted when there is no point detector installed in the detector base For the recess mounted cable entry For surface mounted cable entry up to 8 mm cable diameter Seal integrated in the detector base Protection category IP42 Cable conn...
Page 27: ...s the detector line is not interrupted when there is no point detector installed in the sounder base For the C NET detector line For the recess mounted cable entry For surface mounted cable entry up to 8 mm cable diameter Compatible with You will find more information in document A6V10218037 Order no S54319 F5 A1 See also Sounder base DBS720 38 3 5 5 Designation plate FDBZ291 To identify the locat...
Page 28: ...t BA721 For installation in humid wet environments and if the detector heating unit is used Protection category achievable IP44 Six break out points for M20 x 1 5 metal cable glands Compatible with Order no S54319 F29 A1 See also Base attachment wet BA721 41 3 5 9 Designation plate DBZ1193A To identify the location Compatible with Order no BPZ 4864330001 3 5 10 Detector heating unit FDBH291 For op...
Page 29: ...See also Base attachment wet BA721 41 3 5 12 Detector locking device LP720 For protection against theft Compatible with Order no S54319 F9 A1 See also Detector locking device LP720 44 3 5 13 Micro terminal DBZ1190 AA Auxiliary terminal for connecting cables For T branches of additional cabling e g for detector heating units sounder base external alarm indicators etc For wire diameters of 0 28 0 5 ...
Page 30: ... 5 14 Connection terminal DBZ1190 AB Auxiliary terminal for connecting cables For T branches of additional cabling e g for cable shielding detector heating units sounder base external alarm indicators etc For wire diameters of 1 2 5 mm 3 poles Order no BPZ 4942340001 See also Auxiliary terminals DBZ1190 AA AB 47 ...
Page 31: ... multi sensor smoke detector OH720 also offers improved response behavior in the event of open fires and increased resistance to misleading sources of false alarms Multi sensor smoke detector OH720 has two parameter sets available for selection 4 2 1 Parameter sets Parameter set numbers and comments in brackets Robust 1 Default The parameter set Robust offers improved resistance to false alarms in...
Page 32: ... by a few degrees All parameter sets meet the criteria of standard EN 54 7 4 3 Smoke detector The optical smoke detector OP720 demonstrates quick response behavior in the event of slow burning fires that generate smoke It is extremely well suited to general purpose applications The optical smoke detector OP720 has two parameter sets available for selection 4 3 1 Parameter sets Parameter set number...
Page 33: ...gnize sharp increases in temperature and is suitable for areas with a stable ambient temperature 4 4 1 Parameter sets The heat detectors HI720 and HI722 have the following parameter sets parameter set number and comments in brackets A2S 1 Default A2R 2 HI720 only Explanation of designation A A parameter sets should be applied at an ambient temperature of approximately 25 However they can be applie...
Page 34: ... temperature typ max Static activation temperature 1 Differential activation temperature 2 Differential activation possible from C C T K C 1 A2S 60 C maximum 25 50 60 2 A2R 60 C rate of rise 25 50 60 25 3 10 1 Applicable with slow temperature increases 1 K min 2 Applicable with fast temperature increases 10 K min 3 Between 1 K min and 10 K min this value increases by a few degrees All parameter se...
Page 35: ...iling Avoid mounting on steps concrete ribs etc Install the detector base or sounder base directly on the recessed box or a level surface If a surface mounted cable feed is used there are two possible break out points on the detector base or sounder base for the cable entry Max cable diameter 8 mm The point detector must have at least 2 cm of free space to the side Only then can the point detector...
Page 36: ...Incorrect laying of cables Damage to cables and difficulties when installing the point detector The cable loops must be placed flat in the base bottom The bare length of the cables is approximately 8 10 mm NOTICE Excessively large holes in detector base seal DB722 Potential IP protection category impaired Do not cut or drill holes in the detector base seal Without using a tool push the lines throu...
Page 37: ...nologies A6V10212047_m_en_ Fire Safety 2015 05 04 Connection terminals The following detector bases have screw terminals DB721 DB720 The following detector bases have spring clips DB722 Figure 3 Screw terminals and spring clips See also Cable entry 46 DB722 DB721 DB720 ...
Page 38: ... the following types of line Recess mounted cable entry Surface mounted cable entry cable diameter max 8 mm NOTICE Incorrect laying of cables Damage to cables and difficulties when installing the point detector The cable loops must be placed flat in the base bottom The bare length of the cables is approximately 8 10 mm 1 Minimum Ø 40 mm 2 Maximum Ø 90 mm In the case of the sounder base DBS720 the ...
Page 39: ... base DBS720 Only use for recess mounted cable entry Installing the detector base seal 1 NOTICE Excessively large holes in the detector base seal will impair the potential IP protection category Do not cut or drill holes in the detector base seal Without using a tool push the lines through the detector base seal 2 Fit the detector base seal RS720 between the ceiling and the detector base DB72x or ...
Page 40: ...e attachment BA720 is attached to the ceiling together with a detector base Compatible with the detector bases DB72x and DB110x Mounting for recess mounted cable entry 1 Insert the cables into the base attachment BA720 1 2 Install the base attachment BA720 1 on the ceiling together with a detector base 2 3 Connect the cables in the detector base 2 Figure 5 Recess mounted cable entry with base atta...
Page 41: ...se attachment BA720 2 Detector base DB72x 5 6 Base attachment wet BA721 Base attachment wet BA721 is for surface mounted feed lines in humid and cold environments The cables are inserted using M20 x 1 5 metal cable glands Fig 3 Protective cages DBZ1194 FDBZ294 can be installed on base attachment wet BA721 Protective cage DBZ1194 Fig 3 protects the detector against mechanical damage EMC protective ...
Page 42: ...g cover on back box 4 screws Installation of detector base 2 screws Fig 2 Master gauge for recesses Fig 3 Installation of protective cage DBZ1194 M20 x 1 5 metal cable gland designation plate DBZ1193A Fig 4 Installation of EMC protective cage FDBZ294 WARNING Danger of falling Danger of injury When installing use a secured ladder or work platform Only use detector exchanger DX791 as an installation...
Page 43: ... with the 4 screws 4 Push the detector base into base attachment wet BA721 You must be able to hear the detector base click into place 5 Screw the detector base securely onto base attachment wet BA721 using 2 screws Removing the detector base 1 Loosen the two screws on the detector base 2 Disengage the lock with a screwdriver click 3 Remove the detector base from base attachment wet BA721 See also...
Page 44: ...evice LP720 A point detector can be protected against theft with the detector locking device LP720 Figure 8 Installing the detector locking device LP720 A Set screw M3 x 12 mm B Allen key 1 Insert the point detector into the detector base 2 Using the Allen key provided insert the set screw through the hole in the detector housing and tighten 1 2 A B ...
Page 45: ...gnation plate FDBZ291 1 Label designation plate FDBZ291 with location address of point detector 2 Attach designation plate FDBZ291 to detector base DB72x or sounder base DBS720 If the detector base seal RS720 is being used it is not possible to install the designation plate FDBZ291 Figure 9 Installation of designation plate FDBZ291 ...
Page 46: ...erminal name Connection 1a Connection for external alarm indicator 1b C NET IN and OUT 5 C NET IN or OUT external alarm indicator 6 C NET IN or OUT external alarm indicator Figure 10 Detector base with screw terminals A and spring clips B A Screw terminals in the detector base DB721 DB720 B Spring clips in the detector base DB722 NOTICE Incorrect laying of cables Damage to cables and difficulties ...
Page 47: ...ase to base using twisted or non twisted wire pairs Wherever possible use twisted unshielded cables Shielded cables are only required in special cases such as strong high frequency fields You have the option of using the following types of line Loops Stub lines Stub line as a branch of a loop Connecting external alarm indicators FDAI91 FDAI92 FDAI93 Observe the following points when connecting ext...
Page 48: ...occurring at position 7 on the connection diagram The alarm indicator is triggered by cable EAI6 If the short circuit occurs at position 8 on the connection diagram the alarm indicator will no longer be triggered As an option the alarm indicator may also be connected using cable EAI5 In this case the alarm indicator will correctly indicate an alarm even if a short circuit occurs at position 8 This...
Page 49: ...the point detector with the detector dust cap during the construction phase This will protect the point detector from dust and dirt 2 Once construction work is complete remove the detector dust cap from the point detector 1 Point detector 2 Detector dust cap A detector dust cap is provided as part of the scope of supply for each point detector 1 2 ...
Page 50: ...g rooms attics loading ramps detector heating unit FDBH291 is installed in the detector base The detector heating unit increases the detector temperature by approximately 2 C over the ambient temperature and thus avoids moisture condensation on the detector Optimum function of the detector heating unit is only guaranteed with base attachment wet BA721 Figure 13 Mounting of the detector heating uni...
Page 51: ...AA The cables can be placed in the same cable harness as the detector line or separately Several detector heating units can be connected in parallel Detector heating units require a separate supply NOTICE Risk of icing Malfunction To ensure smooth operation the detector must be checked regularly for icing Figure 14 Connection diagram for detector heating unit FDBH291 1 Control panel supply monitor...
Page 52: ...C NET 6 52 64 Building Technologies A6V10212047_m_en_ Fire Safety 2015 05 04 6 Commissioning 6 1 Commissioning on the C NET The devices are commissioned via the control panel The exact procedure is described in the control panel documentation ...
Page 53: ...or testing with test gas or with a hot air fan the detector must be switched to test mode Depending on the detector testing may be performed with one or more of the following accessories Test gas REF8 S recommended REF8 Hot air fan Detector tester RE7T The following table shows which detectors may be tested with which test aids Detector Test gas Hot air fan detector tester RE7T OH720 X X OP720 X H...
Page 54: ... 230 μA Maximum current connection factor 1 Quiescent current connection factor 1 Address connection factor 1 Separator connector factor 1 Protocol C NET Compatibility See List of compatibility Line separator Line voltage Nominal DC 32 V Vnom Minimum DC 12 V Vmin Maximum DC 33 V Vmax Voltage at which the line separator opens Minimum DC 7 5 V VSO min Maximum DC 10 5 V VSO max Permanent current when...
Page 55: ...cross section 2x 0 2 1 6 mm2 Ambient conditions Operating temperature permissible ambient temperature 10 55 C Storage temperature 30 70 C Air humidity 95 rel Protection categories according to EN 60529 IEC 60529 Base DB721 DB720 DBS720 all installation types IP40 Base DB721 DB720 DBS720 with detector base seal RS720 IP42 Base DB722 IP42 Base attachment wet BA721 IP44 Electromagnetic compatibility ...
Page 56: ...eparator Line voltage Nominal DC 32 V Vnom Minimum DC 12 V Vmin Maximum DC 33 V Vmax Voltage at which the line separator opens Minimum DC 7 5 V VSO min Maximum DC 10 5 V VSO max Permanent current when switches are closed Max 1 5 A IC max Switching current e g in the event of a short circuit Max 2 A IS max Leakage current when switches are open Max 1 mA IL max Serial impedance when switches are clo...
Page 57: ...rature 30 70 C Air humidity 95 rel Protection categories according to EN 60529 IEC 60529 Base DB721 DB720 DBS720 all installation types IP40 Base DB721 DB720 DBS720 with detector base seal RS720 IP42 Base DB722 IP42 Base attachment wet BA721 IP44 Electromagnetic compatibility 10 kHz 1 8 GHz 50 V m 1 8 GHz 2 5 GHz 20 V m Mechanical data Color RAL 9010 pure white Dimensions See the Dimensions 60 cha...
Page 58: ... C NET Compatibility See List of compatibility Line separator Line voltage Nominal DC 32 V Vnom Minimum DC 12 V Vmin Maximum DC 33 V Vmax Voltage at which the line separator opens Minimum DC 7 5 V VSO min Maximum DC 10 5 V VSO max Permanent current when switches are closed Max 1 5 A IC max Switching current e g in the event of a short circuit Max 2 A IS max Leakage current when switches are open M...
Page 59: ...orage temperature 30 70 C Air humidity 95 rel Protection categories according to EN 60529 IEC 60529 Base DB721 DB720 DBS720 all installation types IP40 Base DB721 DB720 DBS720 with detector base seal RS720 IP42 Base DB722 IP42 Base attachment wet BA721 IP44 Electromagnetic compatibility 10 kHz 2 5 GHz 50 V m Mechanical data Color RAL 9010 pure white Dimensions See the Dimensions 60 chapter Standar...
Page 60: ...measures have been undertaken Use of reusable materials Use of halogen free plastics Electronic parts and synthetic materials can be separated Larger plastic parts are labeled according to ISO 11469 and ISO 1043 The plastics can be separated and recycled on this basis Electronic parts and batteries must not be disposed of with domestic waste Take electronic parts and batteries to local collection ...
Page 61: ... levels 20 Degraded mode operation Collective behavior 24 Fire control panel failure 24 Designation plate Detector base 45 Installation 45 Sounder base 45 Detector Performance check 53 Detector base 25 Detector base seal Installation 39 Detector dust cap 49 Detector exchanger 35 Detector heating unit Mounting 50 Detector line Connection diagram 47 Detector locking device Mounting 44 Diagnosis leve...
Page 62: ...lti sensor smoke detector 15 17 O Original language Source language 5 P Packaging label Product version 16 Parameter sets 20 Heat detector 33 Multi sensor smoke detector 31 Smoke detector 32 Performance check 53 Product label Product version 16 R Recycling 60 Required space 35 S Scope 5 Screw terminals 37 46 Short circuit Line separator 21 Smoke detector 15 18 Sounder base 25 Source language 5 Spr...
Page 63: ...Index 63 64 Building Technologies A6V10212047_m_en_ Fire Safety 2015 05 04 ...
Page 64: ...onal Headquarters Gubelstrasse 22 CH 6301 Zug 41 41 724 24 24 www siemens com buildingtechnologies Siemens Switzerland Ltd 2008 Technical specifications and availability subject to change without notice Document ID A6V10212047_m_en_ Manual FD720 Edition 2015 05 04 Register 2 ...
