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Crowcon Crowcon Gasmaster, Installation, Operation And Maintenance Manual, Page: 47 / 48

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Crowcon Crowcon Gasmaster Installation, Operation And Maintenance Manual Download Page 47

Summary of Contents for Crowcon Gasmaster

Page 1: ...Installation Operation and Maintenance Manual M070010 Issue 2 October 2014 Crowcon Gasmaster 1 to 4 channel gas detection control panel...

Page 2: ...This product has been tested and found to comply with the European Directive 2004 108 EC and the EMC requirements of EN50270 It also complies with the Council Directive 2006 95 EC relating to electric...

Page 3: ...ral 4 2 3 Mounting 5 2 4 Cabling requirements 5 2 5 Installing gas and fire detectors 6 2 6 Installing output devices 6 2 7 Connecting mains power 6 2 8 Connecting input devices 7 2 9 Connecting outpu...

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Page 5: ...e channel display see figure 3 2 page 18 and a de populated terminal PCB All operating functions are identical to Gasmater 4 Gasmaster is designed for simple operation and all day to day functions can...

Page 6: ...ER OUTPUT PARAMETERS BY BASEEFA OR ANY EC APPROVED CERTIFICATION BODY TO ANY SINGLE CHANNEL SHUNT ZENER DIODE SAFETY BARRIER WHICH IS ATEX CERTIFIED NOTE 7 TYPE XGARD CERTIFICATION No BASEEFA 04ATEX01...

Page 7: ...e installation and commissioning of your Gasmaster system is presented in easy to follow instructions A summary table of contents detail ing a typical sequence of installation steps is shown below Dep...

Page 8: ...splay PCB and batteries The terminal PCB contains the input modules and all of the input and output terminals The display PCB is con nected to the terminal PCB via a 50 way ribbon connector and is hin...

Page 9: ...ovides a dimensional view of Gasmaster To access the mounting points first remove the front cover by unscrewing the fixings labelled in figure 2 1 Carefully remove the sounder connector from the displ...

Page 10: ...aracteristics specified above There are a number of suitable ways of terminat ing cables and glands to Gasmaster dependant on the cable and gland type Steel wire armoured SWA cable and glands with ele...

Page 11: ...se resistor Inputs can be gas detectors or flame detectors in 4 20 mA 2 wire sink or 3 wire sink or source configurations Gasmaster will track inputs from 3 to 21 5 mA at which point an over range fau...

Page 12: ...owcon for specific wiring details for Crowcon detectors 2 8 1 Two wire 4 20mA devices Figure 2 6 shows a typical wiring configuration for a 2 wire current sink detector for safe area use only Figures...

Page 13: ...ier 4 20mA Fire input module Set channel link to SINK see figure 2 5 and configuration to DET4 20 SINK see Menu System Overview section page 25 and 33 Refer to earth connection requirements on Figure...

Page 14: ...SCR Channel Link Settings FIRE SINK SOURCE SIG FAN FAN Input 1 2 3 or 4 I S Link Settings Connections for ESU sampling device 4 20mA Fire input module 2 8 6 Flame detectors Figure 2 14 shows a typica...

Page 15: ...o two general purpose A V alarm devices using xenon type beacons A greater number of LED based beacons may be powered contact Crowcon for advice Gasmaster is compatible with 12 V dc or 24 V dc A V ala...

Page 16: ...n latching this is not configurable The Channel Alarm 2 and Common Alarm 2 relays can be configured as latching non latching or latch ing acceptable ESU Channels If the ESU sampling device slows signi...

Page 17: ...ads must be removed if a remote RS 485 serial link is required Figure 2 19 485A 485B SCR J14 LK2 RS485 TERM Gasmaster RS 485 terminals 2 10 Applying power Before applying power ensure that any control...

Page 18: ...ly recommended that persons intending to commission a Gasmaster system first read and understand the Operating instructions provided in section III Operation When all field devices have been connected...

Page 19: ...f entering text strings 4 The Zero Wizard offers temporary Inhibit but you may wish to Inhibit all channels during the calibration process How to set global inhibit From the Supervisor menu scroll dow...

Page 20: ...vates Each detector on a loop should be reset before testing the next to ensure that all detectors acti vate the alarm Heat detectors can be tested with a heat gun using the same method as described a...

Page 21: ...isplay for one field device plus the message area Message display area In normal non alarm condition the message area displays the channel numbers and detector types e g CH4 refers to methane detector...

Page 22: ...lash again if a new alarm is triggered Operator Panel Buttons Use the five operator buttons to respond to alarm conditions examine the status of system settings and configure Gasmaster ACCEPT RESET Pr...

Page 23: ...ring Gasmaster installation or when Gasmaster is restarted Gasmaster will initialise the system by performing a self test The start up sequence is shown below Display and AV test GASMASTERII Software...

Page 24: ...wizards Wizards are an extension of the menu system to guide the user through a process such as calibra tion A wizard menu will consist of selections user prompts and display status conditions during...

Page 25: ...lphabet list To enter numbers or lower case characters continue press ing the Up or Down button For convenience after the first charac ter has been entered the next character will start from the same...

Page 26: ...configurable and can be set as rising or falling Fire detectors Fire detectors in alarm will display FIRE in the channel display There is only one level of alarm for fire channels Note pressing the Ac...

Page 27: ...t the fault LED will illuminate and the internal sounder will activate The message area will display FAULT and fault ID number The fault description will appear in the lower portion of the message are...

Page 28: ...r operate Contact Crowcon Main supply fail Main supply has failed and the system 6 is running on batteries NVM hardware fail Fatal fault contact Crowcon 7 Loaded default settings System has returned t...

Page 29: ...ocation Units Range Zero suppression Interpret 2 mA Stab time Fire reset time Alarm 1 Alarm 2 Note Menu items are hidden for unused channels Visible only for 4 20 mA Sink SRC Visible only for Fire con...

Page 30: ...page 30 Detector 1 input low Detector input signal is between 1 and 3 mA 10 18 26 3 Only applies when the Interpret 2 mA command is set to Warning in the channel configuration Detector 1 initiated A 2...

Page 31: ...ormally energised or de energised dependant on configuration No alarm means the relay is in its normal state In alarm means the relay is in its alarm or fault state 1 refers to the input channel use t...

Page 32: ...er level 1 output becomes active for 3 seconds followed by Testing alarm L2 Sounder level 2 output becomes active for 3 seconds followed by Test complete Outputs de activate and display returns to the...

Page 33: ...channel Inhibit Inhibit option will not be displayed if channels Values Inhibit on have already been set to inhibit using the menu Inhibit off shown above User confirmation Reminds the user to check t...

Page 34: ...5 mA Forces common level 1 2 or Fault relays L1 Level 1 L2 Level 2 The values show the current state of each relay relays may be normally energised or de energised dependant on configuration No alarm...

Page 35: ...ermines the operation of sounders connected to Values Latched the AV2 3 Drive terminals Non latched Latched means that in an alarm state the sounder Menu Item Values as shown on display Description Su...

Page 36: ...ched Drive Fault drive Values De energised Energised Menu Item Values as shown on display Description Supervisor menu allows system tests to be performed and configurations to be changed A pass cont w...

Page 37: ...9 Detector range e g 100 for a flammable detector Zero suppression ZFS Values Enabled Applies suppression to the first 3 of scale to Disabled prevent small deviations from zero being displayed If the...

Page 38: ...ction 3 7 for details Press the Up and Down buttons to cycle through configuration for channels 2 3 4 Level at which the Level 1 relay will reset Allows hysteresis for applications such as ventilation...

Page 39: ...n be inhibited individually or all at once The inhibit option is available in the Supervisor menu see section 3 6 on page 20 and the Menu System Overview on page 25 in the Operation chapter for detail...

Page 40: ...eries should be checked regularly on units operating over 40 C Warning When replacing batteries care should be taken to ensure cables are re fitted as shown on the battery connection diagram Incorrect...

Page 41: ...les simply plug in it is not necessary to remove power from the system providing the channel is set as Unused prior to insertion Once the module has been added the channel can be configured as appropr...

Page 42: ...indication Integral 85 dB sounder EN 50270 EMC EN 61010 1 Low voltage directive ATEX EN60079 25 2010 Explosive atmospheres Intrinsically safe electri cal systems Gasmaster 4 288h x 278w x 110d mm 4 5...

Page 43: ...10 S012304 Power supply assembly Complete with wiring looms S012205 Sounder assembly Complete with wiring loom M04683 Sounder seal M050067 Gasmaster 4 display label For front cover M050068 Gasmaster 1...

Page 44: ...per case only single clicking or holding the Up button will advance forward through the avail able groups of characters A B C D X Y Z 0 1 2 7 8 9 A B C etc single clicking or holding the Down but ton...

Page 45: ...mer Crowcon accept no liability for consequential or indi rect loss or damage howsoever arising including any loss or damage arising out of the use of the instru ment and all liability in respect of a...

Page 46: ...Regional addresses Crowcon Gasmaster 42 Regional addresses...

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