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S&S Northern MERLIN GDP2-X, Руководство по установке и эксплуатации

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Installation & Operation Manual                                                                                                Merlin GDP2X 

 

 

GDP2X - IOM Iss: 7   03-21

 

2  

 
 

Contents 

 

Important Warning Statements ........................................................................................... 3

 

 

Installation ............................................................................................................................. 4 

Typical Application, Location & Positioning .................................................................................... 4 
Access & Mounting ............................................................................................................................ 5 
Internal Board Overview .................................................................................................................... 5 
Board Connections Overview ........................................................................................................... 6 
Wiring your Detector .......................................................................................................................... 6 
Creating a Detector Chain ................................................................................................................. 7 
Detector ID Switches ......................................................................................................................... 7 
120ohm Termination Resistance ...................................................................................................... 8 
Audible Alarm Switch ......................................................................................................................... 8 
Configuration Settings ....................................................................................................................... 8 
Settings Options Explained ............................................................................................................... 8 
Factory Set Condition ........................................................................................................................ 9 
Trouble Shooting ................................................................................................................................ 9

 

 

Operation .............................................................................................................................. 9 

Initial Power Up (Commissioning) .................................................................................................... 9 
Main Screen ........................................................................................................................................ 9 
Zone Status ......................................................................................................................................... 9 
Zone Screens .................................................................................................................................... 10 
Alarm Messages ............................................................................................................................... 10

 

 

General Maintenance ......................................................................................................... 11 

Cleaning ............................................................................................................................................. 11 
Manual Circuit Simulation Test ....................................................................................................... 11 
Bump Test (Gas Response Check) ................................................................................................ 11

 

 

Service & Field Calibration ................................................................................................ 13 

Overview ............................................................................................................................................ 13 
Annual Service Message ................................................................................................................. 13 
Service Mode .................................................................................................................................... 13 
Field Calibration ................................................................................................................................ 14 
End of Operational Life (EOL) ......................................................................................................... 15

 

 

Specification ....................................................................................................................... 15 

 

  
 
 
 
 
 

Содержание MERLIN GDP2-X

Страница 1: ...e used in many applications such as factories car parks shopping centres and boiler houses The GDP2X can be used with up to eight 8 X range gas detectors in a single cable run for monitoring and detecting gas in zones considered safe including CO LPG and methane The information contained within this manual should be referenced for typical installation and operation only For specific requirements t...

Страница 2: ... 120ohm Termination Resistance 8 Audible Alarm Switch 8 Configuration Settings 8 Settings Options Explained 8 Factory Set Condition 9 Trouble Shooting 9 Operation 9 Initial Power Up Commissioning 9 Main Screen 9 Zone Status 9 Zone Screens 10 Alarm Messages 10 General Maintenance 11 Cleaning 11 Manual Circuit Simulation Test 11 Bump Test Gas Response Check 11 Service Field Calibration 13 Overview 1...

Страница 3: ... free of defects in material and workmanship for a period of three 3 years from date of purchase or one 1 years for oxygen detectors The manufacturer s liability hereunder is limited to replacement of the product with repaired product at the discretion of the manufacturer This warranty is void if the product has been damaged by accident unreasonable use neglect tampering or other causes not arisin...

Страница 4: ...e would be close to the highest point in the area Any recommended heights may vary based on air flow and temperature conditions in addition to the proposed application and location this is particularly apparent with oxygen depletion sensors and the target gas that they are used for Target Gas Typical Position Natural Gas Methane NG High Level 300mm 1ft from ceiling Liquid Petroleum Gas LPG Low Lev...

Страница 5: ...four bolts Access to the interior of the panel when carrying out any work must be conducted by a competent person Before carrying out any work ensure local regulations and site procedures are followed We recommend all Merlin gas detection equipment and systems are commissioned by a competent trained engineer to ensure correct installation and operation Contact S S Northern for more information Int...

Страница 6: ...t other devices and controls such as purge fans and audible alarms etc FIRE PANEL Open close connections for fire alarms panels SOUNDER STROBE 24vdc connections for an external sounder alarm strobe lighting to activate on alarm Wiring your Detector 24vdc power and MODBUS communication cables wired to terminals marked DETECTOR CHAIN D D SHEILD WIRE detector terminals used for earthing grounding and...

Страница 7: ...als together and similarly cable of same colour to be used to connect all D terminals together The detector must be earthed grounded for electrical safety and limit the effects of R F EMC interference Where cable runs may exceed 100 metres from one control panel Contact your supplier Ensure the 120 ohm termination resistance switch is turned on at each end of a cable run Detector ID Switches When ...

Страница 8: ... the alarm gas levels must drop to a safe value for the alarm to stop Configuration Settings On the circuit board you will find a SETTINGS dipswitch when switched to on the screen will display the settings menu you can now configure your detection system Adjust Screen Brightness Press or slide the cursor up and down Change Select Option Press the blue option box or press and hold When the system i...

Страница 9: ...l display an initialisation message while system searches for detectors wired to the system We recommend all gas detection systems be commissioned by a competent trained engineer to ensure correct installation and operation Main Screen When the system has finished initialising the main screen will appear The main screen gives an overview of the status of each zone monitored by gas detectors and if...

Страница 10: ...ant zone page for detector information There are three types of detector alarm Detector Alarm ID Dangerous gas levels detected the control panel will display an Alarm message and detector ID Detector Fault ID If the control panel receives a fault signal from a detector your panel will show a Fault message and detector ID Detector Lost ID If a detector loses communication with the control panel the...

Страница 11: ... test does not check the gas sensing element itself Bump Test Gas Response Check What is a Bump Test Gas response checks are often referred to as a bump test Bump tests are important to make sure a device is able to detect a release of gas as early as possible The aim of the bump test is to make sure a detector is working at its optimum by briefly exposing the unit to a known concentration of the ...

Страница 12: ...n 2 Screw and seal the regulator valve into the gas cylinder outlet 3 Once sealed the regulator pressure gauge will indicate cylinder pressure 4 Offer up the applicator hose cone to the lower vents 5 Open the valve regulator to allow the gas to be delivered at a pre set flow rate 7 Wait for the device to enter alarm status and energise configured outputs relays At this point 9 Remove applicator ho...

Страница 13: ...riate risk assessment but must be executed by a competent person Contact your S S Northern representative for details of suitable field calibration kits and gases to ensure any equipment and flow rates meet S S Northern technical requirements Annual Service Message A service screen will intermittently flash every 30 seconds after one year of detector operation The detector will signal the control ...

Страница 14: ...as concentrations that must be used to calibrate your detector Detector Type Calibration Gas CO Carbon Monoxide 120ppm balance in air NG Methane 0 5 BV balance in air LPG Liquid Petroleum Gas 0 2 BV balance in air H Hydrogen 4000ppm balance in air O2 Oxygen 20 9 balance in Nitrogen Gas sensor location types and response times The time for sensors to respond to their target gas will vary on the typ...

Страница 15: ... gas levels will be displayed You must contact your supplier immediately for replacement The EOL is approximate from the first five 5 hours of continuous power The EOL will depend on the type of gas your detector is targeting and may vary depending on its application and environmental conditions such as the frequency of exposure to the target gas poisons or inhibitors Specification General Product...

Страница 16: ...foreseen damage caused by transit installation Every effort is made to ensure the accuracy of this document however S S Northern can assume no responsibility for any errors or omissions in this document or their consequences S S Northern would greatly appreciate being informed of any errors or omissions that may be found in the content of this document For information not covered in this document ...

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