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VESDA by Xtralis

VESDA VFT-15 Product Guide

www.xtralis.com

41

6

Maintenance

Note:

Routine tests should be carried out by qualified personnel.

6.1

Inspection

The following steps should be carried out in accordance with local codes and standards:

1. Check control panel for fault indications etc.
2. Test the function of control panel LEDs
3. Record results in system log book & report any abnormal results

The following page gives information on the servicing tests to be carried out on the detector. Servicing must
only be carried out by trained or authorized personnel.

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Summary of Contents for VESDA VFT-15

Page 1: ...VESDA VFT Product Guide VFT 15 VFT 15 C October 2014 Document 16316 Revision B Build 3 Part Number 29318 ...

Page 2: ......

Page 3: ...equipment damage Xtralis is not responsible and cannot be held accountable for any liability that may arise due to improper use of the equipment and or failure to take proper precautions Only persons trained through an Xtralis accredited training course can install test and maintain the system Liability You agree to install configure and use the products strictly in accordance with the User Manual...

Page 4: ...ate that there is a danger to equipment The danger could be loss of data physical damage or permanent corruption of configuration details Warning This icon is used to indicate that there is a danger of electric shock This may lead to death or permanent injury Warning This icon is used to indicate that there is a danger of hazardous laser radiation exposure Warning This icon is used to indicate tha...

Page 5: ...de performances ou procédures autres que celles mentionnées dans ce manuel peut conduire à une exposition dangereuse aux radiations Regional Regulatory Requirements and Notices UL For open area applications at maximum dilution when using obscuration foot the Fire 1 threshold must be set within 0 04 to 0 70 obs ft ULC Refer to Appendix F for information on ULC wiring requirements EN54 20 The produc...

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Page 7: ... 6 2 Servicing 42 7 Specifications 43 7 1 Power Supply 43 7 2 Case 43 7 3 Operating Conditions 43 7 4 Sampling Network 43 7 5 Area Covered 44 7 6 Cabling 44 7 7 Interfaces 44 7 8 Alarm 44 7 9 Communication 44 7 10 Event Log 44 A Display Panel Navigation 45 B Microbore Networks 47 B 1 Microbore Network Design 47 B 2 Microbore Installation Guidelines 50 C The Commissioning Process 51 C 1 Pre Commiss...

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Page 9: ...configuration and guidelines on how to correctly connect RS485 equipment VFT detectors incorporate a rotary valve as a method of sampling individual microbore tubes and providing addressability This unique feature is described in Chapter 2 The aspiration systems use an internal vacuum pump high pressure system and air flow is monitored through the microbore tubes by a differential pressure sensor ...

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Page 11: ...delay Alarm states are also shown on the display panel and an audible warning is given An optional alarm beacon can also be fitted VFT detectors have an additional preset trigger level Trace which must be set below the Alert level When Trace is activated the rotary valve will sequentially scan the sectors in order to determine the source of the event While in Trace mode the default levels for Aler...

Page 12: ... triggering event ceases If it is latched all the warning mechanisms are maintained until action is taken by the user refer to Section 2 3 These alarm states are global and will be set depending on the smoke density being measured regardless of which sector is being sampled Once in Trace mode each sector has an alarm indicator associated with it These individual sector alarms pulse progressively d...

Page 13: ...l have a dual function to allow the user to enter parameter values scroll through configuration items or enter an Access Code Alternate functions are indicated by LEDs located above the buttons Item 3 in Figure 2 1 and are activated when the associated button can be used for the alternative function More information about button functionality Access Codes and how to setup the detector with the Mai...

Page 14: ... F Sounder silence enter key G Reset value scroll down key H Accept value scroll up key Figure 2 2 Control and configuration buttons 2 Status display This will normally show the smoke density value Also used for all Setup and Configure procedures 3 Alternate button function indicators When the unit is in a mode accessed by the Main Menu the five right most buttons can change to Scroll and Enter fu...

Page 15: ...ctivate due to an incorrect device configuration To prevent this from occurring ensure that the STANDBY parameter in the Configuration menu is set to 0 For more information refer to Table 5 4 Aspiration Fault The rotary valve has a fault Detector Fault The laser smoke detector has developed a fault Isolated This has been put into Isolated mode when the unit functions normally but alarm reporting v...

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Page 17: ...ed out in order to correctly install the system 1 Securely mount the back box to a suitable wall or support using the three points shown in the fixing diagrams in Section 3 1 M6 or M8 screws are suitable 2 Connect the cables for the power supply and any I O modules Ferrite cores should be fitted to the power cable 3 Fit the microbore tubes to the system For details on how to design and install mic...

Page 18: ...uxiliary 24 VDC Output 24 VDC power output rated to 1A for powering an external sounder addressable I O devices etc Input Output Fault Relay Output Activates when a Fault is detected Alarm Relay Outputs Alarm relays for each Alarm level Alert Action Fire 1 Fire 2 that are activated when the corresponding alarm level is detected Remote Reset Isolate Input Dual action input for remote reset and isol...

Page 19: ... are powered by an external 24 VDC power supply The power supply cable cores should be fitted individually with ferrite cores close to the cable gland inside the equipment case To fit the cables with the ferrite cores insert the 24V and 0V conductors through the ferrite cores and wrap around once to provide maximum effectiveness B A C Legend A Power Supply Cables B Two Turns C Ferrite Core Figure ...

Page 20: ...ssis grounding stud 3 RS232 connector 4 Ethernet connector 5 Fuse 1 A 6 Main I O board 7 Beacon connector 8 Display valve connector 9 Programming connector 10 Optional I O modules 11 Drop down display panel Figure 3 4 Input and Output Interfaces Note CN13 and CN14 are fitted below CN6 but are not used ...

Page 21: ...e 0 75mm minimum IEC60227 H05 W F H05 WH2 F2 for EC Notes l Link Pin 2 0 V and Pin 5 MAINS BAT Refer to page 13 for further information l External Power Supply Connection For use in UL ULC Fire Alarm Application refer to Appendix F Item 1 2 0 VDC in 3 N C 4 N C 5 Mains Battery CN3 Auxiliary Supply Output Interface 1 0 VDC Requires 7 x 0 2 6 A 24 AWG cable 1 A maximum load 2 24 VDC CN4 Remote Reset...

Page 22: ...te Connection CN14 is only used for special applications Connector Pin Description Description 8 pin RJ45 Standard Ethernet connections Standard Ethernet cable Notes l Refer to Section D 4 for further details l Not tested for UL ULC Fire Alarm connection application Table 3 3 Connections to Processor Board Output Relay Interface i606 1 RELAY 1 C Requires 7 x 0 2 6 A 24 AWG cable Notes l Maximum re...

Page 23: ...ut 5 10 11 Output 6 12 13 Output 7 14 15 Output 8 16 Table 3 5 Connections from Current Output Board Optional Module RS485 Remote Control Data 1 24 VDC Supply Out Belden 9842 24 AWG cable or equivalent Notes l Ensure that a jumper link is fitted across pins 1 2 of CN 6 l Refer to Sections 3 4 and D 4 for further details 2 0 V Supply Common 3 RS485 4 RS485 Table 3 6 Connections to Remote Panel Opti...

Page 24: ...3 3 1 Default Microbore Tube Configuration The default configuration requires between 1 and 15 normal diameter Microbore tubes each 50 meters 164 feet in length It is recommended that excess tubing be coiled close to the sampling point end 10 0 PROGRAM 0 01 0 1 1 0 4 0 SCAN ISOLATE F1 Fn SOUNDER SILENCE ACCEPT CODE REQUIRED 20 0 000 999 STOP TEST MENU RESET 000 FIRE 1 ALERT ACTION FIRE 2 FAULT ALA...

Page 25: ...looped to one another using short lengths of normal diameter Microbore tube For example if the VFT 15 detector has unused inputs 9 to 15 one way of connecting the unused inputs would be to use short pieces of microbore to connect inputs 9 to 12 10 to 13 11 to 14 and have input 15 capped off Example Determine New Tube Configuration for a 33 m 108 ft distance to sampling location hole Solution as pe...

Page 26: ...t the electrical characteristics of the cable connected are appropriate for the distance between the detector and display module When using the cable use one pair for RS485 communications the other pair for 24 VDC supply and ensure that matching signals are connected at each end To use the Display Panel remotely the main unit must also be configured for remote display operation by following these ...

Page 27: ...up this is normal 4 1 Flow Normalization Flow normalization should be carried out as a result of a new installation or after changes or maintenance to the system or microbore tubes It is necessary for the detector to learn the air flow characteristics of the system Microbore systems rely on the pump to provide the vacuum rates in the system The pump speed should not be altered from the factory def...

Page 28: ...VESDA VFT 15 Product Guide VESDA by Xtralis 22 www xtralis com This page is intentionally left blank ...

Page 29: ...or Access Code is changeable as a parameter in Configuration Mode which requires Level 1 Access The default Access Codes are shown below Access Level Access Code Operator 0 Not required Level 1 260 Level 2 693 Level 3 Factory Use Only Table 5 1 Detector Access Codes 5 1 1 How to Enter an Access Code via the Display Panel When entering an Access Code the alternative function LEDs above the ACCEPT a...

Page 30: ...elay will indicate a fault condition while the detector is isolated TEST None Successive presses of the Test button show 1 Date on the Status Display 2 Time on the Status Display 3 IP address on the Status Display 4 Subnet net mask on the Status Display 5 Media Access Control MAC address on the Status Display 6 All LEDs on the panel and LED segments on the Status Display and the Sounder operates 7...

Page 31: ...ctor It must be replaced for a minimum of 60 minutes prior to flow normalization The following sections show how to enter the Main Menu Modes and what parameters are available in each of these modes 5 3 1 FAULTS Fault List Minimum Access Level Required None This menu item shows a list of the current faults that are not already annunciated via a Display Panel LED Use the Function UP DOWN buttons Is...

Page 32: ...he Modules 5 3 4 CONFIGURE Configuration Mode Minimum Access Code Required Level 1 The VFT 15 detector uses many configuration parameters and is shipped with factory default values The Configuration Mode allows changes to be made to these parameters Below is a list of user definable parameters and their Factory Default values The Parameter UP and DOWN buttons Isolate and Scan navigate through the ...

Page 33: ...T Night Start time Hour in 24 format 12 to 23 12 NIGHSTOP Night Stop time Hour in 24 format 0 to 12 12 TRC PRESS Setup for auto Valve Scan 5 to 1000 50 Table 5 4 Configuration Mode Parameters and Values continued Notes l Avoid setting to values already defined for Level 1 or 2 Access Codes l To revert all Configuration parameters to their factory default values go to the LOAD DEFAULTS menu item an...

Page 34: ...f active sectors Note The Instantaneous Fire feature is only available to units with Firmware Build 407 or greater Refer to Section 2 2 1 for further information REFCOMP REFDEL Not used Leave at default settings FLOWLOG If there is a change in flow greater or equal than this value and there is currently a flow fault an entry in the log is made of the new value FLOWDEL Flow Fault Delay The time per...

Page 35: ...setting of 8 must not be changed if compliance with EN54 20 or UL is required GAIN X The GAIN X setting is used to condition output signals from the 8 channel 4 20 mA Output Module where it is set to measure Smoke real time smoke density Gain settings range from 1 to 100 The GAIN X setting should be increased where the background smoke level is high or decreased where background smoke is low Refer...

Page 36: ...015 obs ft Sn FIRE 2 n 1 to 15 Sector n Fire 2 Level 0 08 20 obs m 0 024 6 25 obs ft 1 00 obs m 0 305 obs ft 2 20 obs m 0 6 6 25 obs ft 2 00 obs m 0 625 obs ft Sn FIRE 1 n 1 to 15 Sector n Fire 1 Level 0 06 20 obs m 0 018 6 25 obs ft 0 08 obs m 0 024 obs ft 1 20 obs m 0 3 6 25 obs ft 1 00 obs m 0 305 obs ft Sn ACTION n 1 to 15 Sector n Action Level 0 04 20 obs m 0 012 6 25 obs ft 0 06 obs m 0 018 ...

Page 37: ...he date and move to the next step month month will flash 3 Press UP DOWN buttons to change the month 4 Press ENTER to update the month and move to the next step year 5 Press UP DOWN buttons to change the year 6 Press ENTER to update the year Continue as above to change the time When the ENTER button is pressed the flashing element will progress from date through to seconds with the display format ...

Page 38: ...with the first field flashing 1 Use Value UP DOWN buttons to set the first field 2 Press ENTER to update and move to the next field 3 Repeat the two steps for all fields Once the IP Address has been updated the display will now show IP MASK Press UP to show the actual IP MASK with first field flashing 1 Use Value UP DOWN buttons to set the first field 2 Press ENTER to update and move to the next f...

Page 39: ...e in obs ft Normally obs m Note Smoke Alarm Thresholds will revert to default values when changing between obs ft and obs m and vice versa REMPANEL 0 or 1 0 Enables remote panel operation A communications fault will be displayed if this is enabled without a remote display connected REMPOD 0 1 or 2 0 Set to 1 if a Remote Sensing Unit is connected Note This option is not available for standard VFT d...

Page 40: ...L Laser Detector Calibration Minimum Access Code Required Level 3 Factory use only 5 3 10 LOAD DEFAULTS Load Defaults Minimum Access Code Required Level 2 This menu option will enable the user to reload all factory defaults for all configuration parameters under the Configuration and Sector Alarms menus It is recommended that the system configuration is saved prior to applying this menu option 5 3...

Page 41: ...2 COIL value S2 TEST Suppression Control Module S2 TEST value A2 COIL Suppression Control Module A2 COIL value A2 TEST Suppression Control Module A2 TEST value P2 NORM Suppression Control Module P2 NORM value P2 TEST Suppression Control Module P2 TEST value C2 NORM Suppression Control Module C2 NORM value C2 TEST Suppression Control Module C2 TEST value MOD1 IN Identification number of Module 1 MO...

Page 42: ...the relay module check that MODn n module position in the Engineering menu has now changed to RELAY 4 2 In Setup menu change MODn to RELAY 4 3 In the Configuration menu set MODn triggering event required l Alert l Action l Fire1 l Fire2 l Flow fault l General Fault All four relays on the card will now activate for this event with respect to their corresponding sector The following table shows how ...

Page 43: ...VESDA by Xtralis VESDA VFT 15 Product Guide www xtralis com 37 Figure 5 4 Relay Module Single pole double throw SPDT contacts are used in the relay modules with a rating of 2 A at 24 VDC ...

Page 44: ...t outputs 8 Maximum output voltage 20 V Output current 4 20mA optionally 0 20mA Resolution 16 bits Maximum Integral Nonlinearity 0 012 Maximum Offset 0 05 Maximum total output error 0 15 Output update rate 1 per second all 8 outputs updated synchronously Fault reporting Detects a high load resistance e g an open circuit on any output Table 5 10 8 Channel Module Specifications Note Unused outputs m...

Page 45: ...To access the Setup menu follow these steps 1 Press MENU 2 Use Parameter UP and DOWN buttons to reach SETUP 3 Press ENTER 4 Use Value UP and DOWN buttons to enter the Level 2 Access Code To access the Configure menu follow these steps 1 Press MENU 2 Use Parameter UP and DOWN buttons to reach CONFIGURE Analog Output Module 1 2 3 4 Channel Channel Channel Channel 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 ...

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Page 47: ...uld be carried out in accordance with local codes and standards 1 Check control panel for fault indications etc 2 Test the function of control panel LEDs 3 Record results in system log book report any abnormal results The following page gives information on the servicing tests to be carried out on the detector Servicing must only be carried out by trained or authorized personnel ...

Page 48: ...bes and cabling X X X X X X X X X X X Inspect fuses and ensure correct ratings X X X X X X X X X X X Replace detector filter elements clean chamber X X X X X X X X X X X Inspect and clean replace filters X X X X X X X X X X X Replace Gaswitch X If scan interval is set to 24 hours Replace pump rotary vane X X Replace pump linear units with part number suffix NP X Replace exhaust filter silencer ass...

Page 49: ...F Humidity non condensing 10 to 95 Note Consult your Xtralis office for operation outside these parameters or where sampled air is continually above 0 05 obs m 0 015 obs ft under normal operating conditions Product UL listed for use from 0 C to 38 C 32 F to 100 F 7 4 Sampling Network Air Sampling Up to 15 Tubes Microbore Size Normal Diameter Outer Diameter 6 mm 0 25 in Inner Diameter 4 mm 0 17 in ...

Page 50: ...nal blocks 0 2 2 5 mm 30 12 AWG 7 7 Interfaces Power Power In Relays 4 Alarm Relays 1 Fault Relay Rated 2 A 30 VDC NO NC Contacts 7 8 Alarm Range 0 001 to 20 obs m 0 0003 to 6 10 obs ft Levels Trace Alert Action Fire1 Fire2 Individually programmable for each level 7 9 Communication Protocols Modbus over RS232 RS485 and TCP IP 7 10 Event Log Storage Up to 20 000 events stored ...

Page 51: ...VESDA by Xtralis VESDA VFT 15 Product Guide www xtralis com 45 A Display Panel Navigation ...

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Page 53: ...information about the purpose of the area to be protected l Determine the protection level required Design Process To design an effective microbore network it is suggested that the following steps are taken The order in which these are completed may differ with each project l Gather site information l Define VESDA Addresses also known as VESDA Zones l Plan and map a microbore network l Record the ...

Page 54: ...etector VESDA addresses are created for the system to operate within defined parameters for optimum smoke detection Site conditions have an impact in defining VESDA Addresses Some key guidelines need to be observed when creating an Address l One detector can monitor only one VESDA Address l The VESDA Addresses must comply with the local codes and standards l The appropriate VESDA detector paramete...

Page 55: ...is com 49 l Site name and address l Site measurements and layout l Factors requiring special attention l The number and location of VESDA addresses l Overlay showing the pipe network layout with sampling hole positions l Transport times l Alarm thresholds ...

Page 56: ... holes 11 Update the design documents with any further changes that may have been made during the tests and give a copy of the updated design documents to the person commissioning the system B 2 1 Microbore Network Components Microbore Sampling is achieved through the microbore flexible tubing with 6 mm 0 24 in OD and 4mm 0 16 in ID Sampling Points Microbore sampling points are attached to the end...

Page 57: ... Action 1 Pre Commissioning Before going to the customer site Gather site information Obtain a copy of l Microbore network design records l Microbore network installation form l Site plans and microbore layout plans Start to fill in l Commissioning forms l Any regulatory forms required 2 Pre Commissioning Once you are on site Check cables Power up system Preliminary system check 3 Configuration Th...

Page 58: ...de for more information on smoke tests You must be aware of the local codes and standards as applicable to the customer site C 1 2 Commissioning Form Prerequisites During the pre commissioning stage you should complete the client and the site details in the Commissioning form Xtralis Document 12678 Enter the following details l Customer Name l Site address formerly called a site zone l Installer s...

Page 59: ...ere less tubes are fitted or where alternate tube configurations are used refer to Section 3 3 but also within the maximum time according to local codes and standards This test should be conducted for each pipe to ensure that there is no blockage or leakage in any of the microbore tubes For information on smoke tests refer to the VESDA Commissioning Guide C 2 System Configuration Once all pre comm...

Page 60: ...then select File Print to print out a copy of configuration details and include a copy with the hand over documents l Obtain the relevant signatures l Ensure that relevant attachments have been included with the commissioning form l Make copies of the completed commissioning forms and attachments and forward these to l Appropriate Xtralis Sales Office l Installing contractor l Designer of the syst...

Page 61: ...etector for TCP IP communications to a PC with Xtralis VSC or VSM4 software you will need standard Cat 5 Ethernet cables for connecting the PC Ethernet port to a LAN WAN point and each detector s Ethernet port to a LAN WAN point The following figure illustrates the connection between PC and one or more detectors via TCP IP A PC with Xtralis VSC or VSM4 B LAN WAN C Connected detector s Figure D 1 P...

Page 62: ...ctor use the serial lead to connect the serial port on the detector to the serial port on the PC The following figure illustrates the connection between the PC and detector A PC with Xtralis VSC or VSM4 B Detector Figure D 2 Direct RS232 serial connection between PC and detector The RS232 connection enables the IP and Modbus address to be programmed for TCP IP and RS485 connections respectively Xt...

Page 63: ...ted converter The requirements for RS485 cabling and installation are outlined in Section D 4 To enable RS485 communications the detectors will require Modbus addresses to be programmed through a direct RS232 serial connection first Details of this can be found in Section D 2 Xtralis VSC and Xtralis VSM4 use the Xtralis MODBUS 485 connection type to enable communications via the detector s RS485 i...

Page 64: ...r all other detectors all the jumpers should be removed A Connect jumpers 1 2 and 4 5 only for the first or last detector B Do not use this connector Figure D 5 Bias jumpers on detectors D 4 Installation Guide for RS485 Equipment Communications to RS485 standard are designed to reject a degree of interference but care must still be taken when designing and implementing the installation to minimize...

Page 65: ...uency must be maintained within the equipment requirement specification Any breaks in supply or reductions in voltage below the specified minimum will result in equipment shutdown When this problem exists an uninterruptible power supply should be used to supply the equipment If the electrical supply is known or suspected to be subject to noise pulses produced by motors fluorescent lamps storms and...

Page 66: ...onto Cable Twisted pair construction and cable screens do not completely shield the communication link from external electromagnetic interference EMI Good practice should be followed when installing communication cables to eliminate EMI RS485 cables should not be installed in the same duct tray as power cables or switching cables When RS485 cables cross power or switching cables this should be at ...

Page 67: ...ed by two safety labels shown in the following diagrams Figure E 1 Laser chamber safety labels Warning The laser emits visible light and can be hazardous if viewed with the naked eye Under no circumstances should the detector chamber be opened except by qualified personnel Avertissement Le laser émet de la lumière visible et peut être dangereux en cas d observation à l oeil nu En aucun cas la cham...

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Page 69: ...itored also These would require the use of additional Initiating circuits from the conventional control panel 4 Additionally in either case above Addressable or conventional interfaces a remote reset input is required to reset latched Alarm and Fault conditions on the unit An external reset device would be connected between CN3 CN4 terminals as shown in item B above This input will reset when the ...

Page 70: ...m CN7 Output Relay Interface 1 FIRE 2 C Requires 7 x 0 2 6 A 24 AWG cable Note Maximum relay contact rating is 2 A 30 VDC Refer to Section 5 4 1 for further details 2 NC 3 NO 4 FIRE 1 C 5 NC 6 NO 7 ACTION C 8 NC 9 NO 10 ALERT C 11 NC 12 NO 13 FAULT C 14 NC 15 NO ...

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