GasTech G-Shield Fire, Instruction Manual

Page 1: ...INSTRUCTION MANUAL t 61 8 6108 0000 e info gastech com w gastech com t e w G SHIELD FIRE ...

Page 2: ...Platforms and G Pods communicate by MODBUS RTU over RS 485 This design allows multiple G Pods to communicate with a single HMI The G Shield Fire is configured for two G Pods 3 For Your Safety WARNING You must obey the instructions for the safe installation use and maintenance of this equipment 4 Further Information Please tell us if you want help with this equipment Head Office Gastech 24 Baretta ...

Page 3: ...latform Installation 10 10 3 G Pod Installation 11 11 Electrical Installation 12 11 1 HMI Power Inputs 12 11 2 Sensor Platform Connections 13 11 3 Sensor Platform Termination Resistor 13 11 4 Relay Connections 13 11 5 Wiring Diagram 14 11 6 Cable Information 14 12 HMI Operation 15 12 1 HMI Power On 16 12 2 Information 18 12 3 Settings 18 12 4 Incorrect PIN 19 12 5 Change PIN 19 12 6 Test Relays 21...

Page 4: ...ration 30 13 8 CO G Pod Span Calibration 31 13 9 Cancel Calibration 32 13 10 Calibration Due 32 14 Error Messages 33 14 1 Communications Error 33 15 Specifications 34 15 1 Electrical 34 15 2 Construction 34 15 3 Environmental 34 15 4 G Pod Dimensions 35 15 5 Sensor Platform Dimensions 35 15 6 HMI Dimensions 36 15 7 HMI Enclosure Dimensions 37 16 Spare Parts List 38 17 Maintenance 41 17 1 Clean the...

Page 5: ...hield Fire system wiring diagram 14 Figure 20 HMI user interface icons 15 Figure 21 HMI home screen user interface 15 Figure 22 HMI Power on 16 Figure 23 HMI Power on after power interruption 17 Figure 24 Alarm levels 22 Figure 25 Home screen no gas detected 22 Figure 26 HCN Warning Alarm On 22 Figure 27 CO Warning Alarm On 22 Figure 28 HCN Danger Alarm On 23 Figure 30 Push to mute Danger Alarm 23...

Page 6: ...onditions Dummy Plug The Dummy Plug gives protection to the Sensor Platform when a G Pod is not fitted MODBUS MODBUS is a data communications protocol developed by Modicon now Schneider Electric 7 Intended use The G Shield Fire detects HCN and CO outside the vehicle and displays the results on the HMI WARNING The G Shield Fire detects HCN and CO These gases can cause injury or death to personnel W...

Page 7: ...ons and external alarms An RS 485 data port connects the HMI to the Sensor Platforms Refer to section 11 Electrical Installation Figure 3 The G Shield Fire HMI The G Shield Fire is available with an enclosure Use the enclosure when it is not possible to install the HMI directly into the dashboard The enclosure is compliant with the VESA 75 requirements 9 1 HMI Figure 4 The G Shield Fire HMI fitted...

Page 8: ...US RTU Figure 5 Sensor Platform with G Pod fitted 9 3 G Pod The G Pod is a smart hot swappable gas detector that contains calibration information and sensor data Calibrate the G Pod in the workshop or maintenance section for fast deployment The G Shield Fire is supplied with one HCN G Pod and one CO G Pod Figure 6 The G Pod has electrical connections and an alignment key ...

Page 9: ...l the HMI into the vehicle cab You can install it directly into the dashboard or use the optional stainless steel enclosure The enclosure has an industry standard VESA 75 attachment on its rear cover WARNING The HMI can distract the driver and cause an accident An accident can cause injury or death to personnel Figure 7 G Shield HMI dashboard cutout Figure 8 G Shield Fire HMI enclosure rear view s...

Page 10: ...t loosen because of vibration CAUTION The G Pod sinter must face towards the ground Sudden pressure changes can cause a loss of accuracy Replace the G Pod with a Dummy Plug P N 65 2000 00 during maintenance Refer to section 17 2 CAUTION Do not try to attach the Splash Guard when a Dummy Plug is installed as it will not fit 10 2 Sensor Platform Installation Make sure a Splash Guard is used when a G...

Page 11: ...attaches the G Pod to the Sensor Platform Hold the Bushing Nut in position with the Grub screw Tighten the Grub screw with the supplied 1 3 mm hex wrench Do not use thread lock NOTE You will notice some resistance as air is expelled from between the G Pod and the Sensor Platform This is normal CAUTION Do not overtighten the Grub screw The Grub screw can damage the threads on the Sensor Platform Fi...

Page 12: ... RS 485 connection Constant power is necessary for the G Pods Connect the vehicle battery input to VBAT ACC supplies power to the HMI Connect the vehicle accessories circuit to ACC The HMI will turn on and off with the vehicle ignition 11 1 HMI Power Inputs Label Connection Description Rating VBAT Positive supply from vehicle battery 9 30 VDC GND GND connection ACC Positive supply from vehicle acc...

Page 13: ...ly closed relay contact Figure 16 SW1 set to the ON position on Sensor Platform 2 Figure 17 Relay 1 connection details 11 2 Sensor Platform Connections The HMI has 2 relay outputs to connect external equipment The relays are activated when the gas detected reaches the danger alarm level See section 12 6 Test Relays RS 485 is a balanced transmission standard The end of the electrical transmission l...

Page 14: ...um allowable outside diameter OD is 6 5mm Use insulated bootlace ferrules to avoid damage to the copper conductors NOTE You can use equivalent alternatives for this item The G Shield Fire has two Sensor Platforms Use a suitable cable to connect the HMI to the first Sensor Platform and use the same specification cable to connect to the second Sensor Platform Refer to section 11 6 Cable Information ...

Page 15: ...d alarm indication The HMI has a capacitive touchscreen interface and uses custom icons and text to give information to the user Figure 20 HMI user interface icons Figure 21 HMI home screen user interface Icon Description Icon Description Back button Enter button Home button Information button Save button Settings button Undo button ...

Page 16: ...tion on the HMI Power applied to HMI Splash screen G Shield power up completed NOTE The G Shield is ready for use within one minute G Shield is ready for use Power interruptions to the G Pods require an additional warm up period Interruptions can be caused by routine maintenance to the vehicles electrical system or from failure of the electrical system G Pod power interruptions occur when VBAT is ...

Page 17: ...st applied to the G Pods Power applied to HMI G Shield waits for G Pods to stabilize Sensor Platforms detected Splash screen G Shield is ready for use G Shield power up completed The G Shield is prepared for use when the G Pods complete their five minute warm up Figure 23 HMI Power on after power interruption ...

Page 18: ...nds Step 2 Push to return to the home screen 12 3 Settings The settings menu is protected by a Personal Identification Number PIN code and is accessed from the home screen Step 1 Push for three seconds Step 2 Default PIN code is four zeros Step 3 Type in the PIN code Push Step 4 Push to return to the home screen If the PIN code is not recognized please refer to section 12 4 Incorrect PIN NOTE PIN ...

Page 19: ...nt feedback if an incorrect PIN is entered The input field is automatically cleared and a message is displayed NOTE There is no limit to the amount of times an incorrect PIN can be entered Contact Gastech if you have forgotten the PIN code Step 1 Push to continue Step 2 Type in PIN again 12 5 Change PIN Step 2 Type in the current PIN code Step 1 Push to continue Step 3 Push to continue Step 4 Type...

Page 20: ...es do not match the HMI will display this screen NOTE There are no limits to the number of times you can attempt to key in the new PIN code If you cannot recall the new PIN code chosen then push to start the change PIN code operation again To stop the PIN code change push until the Settings screen is shown Push to return to the home screen Step 9 Type in the same new PIN code ...

Page 21: ...ggles the relay between its two states 12 6 Test Relays Access the settings screen See section 12 3 Step 1 Push to continue Step 2 Push for Relay 2 to test it NOTE The G Shield Fire has two relays Relay 1 is tested in the same way as Relay 2 Step 3 Push to turn Relay 2 off ...

Page 22: ...table 12 8 Gas Alarms No Active Alarms Figure 25 Home screen no gas detected Readings Detected gas level below alarm limits Relay State Relay 1 not active Relay 2 not active Figure 26 HCN Warning Alarm On 12 9 Gas Alarms Warning Alarm Active Readings Detected gas level above the WARNING alarm limit Relay State Relay 1 not active Relay 2 not active Figure 27 CO Warning Alarm On Alarm hysteresis pre...

Page 23: ...mit The HMI tells the user that the alarm can be muted Push anywhere on the HMI to mute the danger alarm This action de energises Relay 1 Relay 2 remains energised The danger alarm remains muted for fifteen minutes unless the detected gas level falls below the danger alarm deactivation level Refer to section 12 7 Alarm Levels NOTE If the detected gas level remains above the danger alarm level afte...

Page 24: ...rade air or fresh air Span calibration uses a known concentration of calibration gas G Pod calibration adjusts the response of the G Pod to known concentrations of gas at two points zero and span Description Specification HCN Calibration Gas 10PPM CO Calibration Gas 100PPM Zero Grade Air 0 1PPM Hydrocarbons PVC Flexible Tubing 3 16 ID 5 16 OD 3 2mm ID 4 7mm OD Fixed Flow Regulator 1 0L min The HMI...

Page 25: ...rate the G Pod if its results do not agree with this specification G Pod Type Gas Concentration Time to Apply Gas Readings must be within this range HCN HCN 10PPM 3 minutes 9 0PPM to 11 0PPM CO CO 100PPM 1 minute 90PPM to 110PPM Make sure the Splash Guard is used at all times You must use it when the G Pod is calibrated or response tested Figure 35 Response test gas requirements and pass criteria ...

Page 26: ...4 HCN detected gas level after 3 minutes WARNING The response test has failed You must calibrate the HCN G Pod Incorrect calibration can result in injury or death to personnel The HCN G Pod has passed its response test and can be used The reading was in the tolerance of 10 for the applied calibration gas Examples of G Pod response outside of tolerance Figure 36 HCN response test too high Figure 37...

Page 27: ... 4 CO detected gas level after 1 minute The CO G Pod has passed its response test and can be used The reading was in the tolerance of 10 for the applied test gas Examples of CO G Pod response outside of tolerance Figure 38 CO response test too high Figure 39 CO response test too low Step 2 Connect CO 100 PPM test gas WARNING The response test has failed You must calibrate the CO G Pod Incorrect ca...

Page 28: ...de air Use zero grade air unless you know the ambient air does not contain HCN Step 5 Zero calibration started Step 4 Turn the gas on Push Access the Settings screen See section 12 3 Settings Step 2 Current sensor reading shown Step 6 Zero calibration completed Turn gas off If an error occurs please consult section 14 Error Messages ...

Page 29: ...cessful the calibration due date is set to 182 days 6 months Push the to return to the Settings screen Step 2 Turn the gas on Push Step 3 Span calibration has started Step 4 Calibration gas detected 13 6 HCN G Pod Span Calibration Zero calibration must be completed before span calibration If an error occurs please consult section 14 Error Messages ...

Page 30: ...es not contain CO Access the Settings screen See section 12 3 Settings Step 1 Push the for sensor 2 Step 2 Current sensor reading shown Step 3 Connect zero grade air Step 4 Turn the gas on Push Step 5 Zero calibration started Step 6 Zero calibration completed Turn gas off If an error occurs please consult section 14 Error Messages ...

Page 31: ...ct CO 100PPM calibration gas Step 5 Span calibration has completed NOTE When calibration is successful the calibration due date is set to 182 days Push the to return to the Settings screen Step 2 Turn the gas on Push Step 3 Span calibration has started Step 4 Calibration gas detected If an error occurs please consult section 14 Error Messages ...

Page 32: ...button pressed Step 4 Calibration cancelled 13 10 Calibration Due The HMI shows a Calibration due message to tell the user the G Pod must be calibrated Minimum calibration periods are 182 days Figure 40 Sensor calibration due G Pods continue to detect gas when the calibration period has expired Make sure the G Pod is recalibrated to maintain its accuracy Push or to continue the calibration or to r...

Page 33: ...gas detected is not stable Check the gas supply Make sure the G Pod is protected from wind Replace the G Pod 8 Outside calibration temperature range G Pods must be calibrated within this temperature range HCN 10 C to 35 C CO 10 C to 45 C Calibrate G Pod within its calibration temperature range 14 Error Messages 14 1 Communications Error The Sensor Platforms and G Pods constantly exchange informati...

Page 34: ...al ABS Sensor Platform Material SS316L HMI Weight 220g Sensor Platform Weight 230g HMI Panel Mount Dimensions W116 0mm x H77 5mm x D20mm Sensor Platform Mounting Thread M25 x 1 5P 15 3 Environmental Description Specification HMI IP Rating IP40 Sensor Platform IP Rating IP66 IP68 1 2m for 12hours HMI Temperature Range 0 C to 40 C Sensor Platform Temperature Range 40 C to 70 C HMI Humidity Range 5 r...

Page 35: ...G Shield Instruction Manual Version 1 35 15 4 G Pod Dimensions 15 5 Sensor Platform Dimensions Figure 43 G Pod dimensions Figure 44 Sensor Platform dimensions ...

Page 36: ...G Shield Instruction Manual Version 1 36 15 6 HMI Dimensions Figure 45 HMI dimensions ...

Page 37: ...G Shield Instruction Manual Version 1 37 15 7 HMI Enclosure Dimensions Figure 46 HMI enclosure dimensions ...

Page 38: ...2 Cable Glands Qty 2 P N 21 1011 00 Description Sensor Platform with G Pod Dummy Package contents Communication Bushing Bushing Nut with Grubscrew Splash Guard G Pod Dummy P N 65 1011 00 Description Bushing Nut with Grubscrew Package contents Bushing Nut Grubscrew P N 11 1000 06 Description G Pod Dummy Package contents G Pod Dummy G Pod O Ring P N 65 2000 00 Figure 47 List of spare parts 16 Spare ...

Page 39: ... Pod CO G Pod O Ring P N 65 2000 HCN 01 Description Splash Guard Package contents Splash Guard P N 35 1011 00 Description 1 3mm Hex key Package contents L Shaped Hex key P N 25 0001 01 Description Sensor Platform Nut and Washer Pack Package contents Sensor Platform M25 Nut Qty 1 Sensor Platform M25 Washer Qty 1 Sensor Platform M25 Gasket Qty 1 P N 11 1000 01 ...

Page 40: ...y 3 P N 45 1011 01 Description HMI Fittings Pack Package contents Enclosure Screws M3x10 Qty 4 Enclosure Cable Glands M12 Qty 2 P N 12 1011 01 Description Sensor Platform O Ring Pack Package contents Bushing Nut O Ring Qty 1 Splash Guard O Ring Qty 1 G Pod O Ring Qty 1 P N 07 1000 01 Figure 48 HMI enclosure assembly Figure 49 Sensor Platform assembly ...

Page 41: ...move the Splash Guard from the Sensor Platform Use a brush to remove debris and then wash in potable water Make sure the Splash Guard is dry and then install it on the Sensor Platform 17 2 Dummy Plug You must install a Dummy Plug if a G Pod is removed from the Sensor Platform The Dummy Plug prevents damage to the Sensor Platform and gives a visual indication that a G Pod is not installed Figure 50...

Page 42: ...e symbol indicates registration in the United States and the is in Australia registrations may not have been issued at present in other countries All other product names and logos are trademarks of their respective owners Disclaimer Under no circumstances will GasTech Australia Pty Ltd be liable for any claims losses or damages resulting from or arising out of the repair or modification of the equ...

Page 43: ...tech com gastech com HEAD OFFICE 24 Baretta Road Wangara WA 6065 Phone 61 8 6108 0000 SYDNEY OFFICE 21 25 Narabang Way Belrose NSW 2085 Phone 61 2 9451 0054 BRISBANE OFFICE PO Box 349 Cannon Hill Qld 4170 Phone 61 7 3160 0901 ...