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Installation & Operation Manual
Merlin GDP2X
MERLIN GDP2-X
Gas Detection Panel
Installation & Operation Manual
Please read this manual carefully and retain for future use.
S&S Northern provide a range of detection panels which can be used in many applications such as
factories, car parks, shopping centres and most commonly for this model - boiler houses.
The GDP2X can be used with up to eight Merlin gas detectors (sold separately) for monitoring and
detecting gas including carbon monoxide, liquid petroleum gas and methane.
The information contained within this manual should be referenced for typical installation and operation
only. For specific requirements that may deviate from the information in this guide – contact your supplier.
GDP2X - IOM Iss: 5 06-20
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Table of Contents
Related Manuals for S&S Northern MERLIN GDP2-X
Summary of Contents for S&S Northern MERLIN GDP2-X
- Page 1 Installation & Operation Manual Merlin GDP2X MERLIN GDP2-X Gas Detection Panel Installation & Operation Manual Please read this manual carefully and retain for future use. S&S Northern provide a range of detection panels which can be used in many applications such as factories, car parks, shopping centres and most commonly for this model - boiler houses.
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Page 2: Table Of Contents
Installation & Operation Manual Merlin GDP2X CONTENTS IMPORTANT WARNING STATEMENTS ............3 Manufacturer’s Warranty ....................3 INSTALLATION ....................4 Planning ..........................4 Quick Installation Arrangement ..................4 Mounting ..........................5 Board Overview - Main ....................5 Board Connections Overview ..................6 Gas Detector Setup ...................... -
Page 3: Important Warning Statements
Installation & Operation Manual Merlin GDP2X IMPORTANT WARNING STATEMENTS Please take the time to thoroughly read this user’s guide which should be retained for future reference. It is recommended that this device be commissioned upon installation and serviced at least annually. Do not apply lighter gas or other aerosols to detectors –... -
Page 4: Installation
Installation & Operation Manual Merlin GDP2X INSTALLATION Planning The Merlin GDP2X is a multi-zone gas detection panel which can be used in many applications such as factories, car parks, shopping centres and most commonly - boiler houses. It can be used with up to eight Merlin gas detectors (model X) for monitoring and detecting gas including carbon monoxide, liquid petroleum gas and methane. -
Page 5: Mounting
Installation & Operation Manual Merlin GDP2X Mounting Unpack all the parts! Designed for surface mounting, it must be installed by a licensed, insured contractor. 1. Carefully remove the front cover from the unit by unscrewing the four bolts located at each corner. To do this –... -
Page 6: Board Connections Overview
Installation & Operation Manual Merlin GDP2X Board Connections Overview POWER / LINE IN 100-240Vac mains power should be supplied to the [POWER/LINE IN] connector using a 3 core cable and fused at 3A. On connecting the mains supply to the panel the power LED indicator will light up –... -
Page 7: Gas Detector Setup
Installation & Operation Manual Merlin GDP2X Gas Detector Setup 12-24Vdc power and modbus RTU communication data is wired to gas detectors. Up to 8 detectors can be connected, chained in parallel up to approx. 100 metres from the panel depending on chain configuration, wire type for power and condition. For MODBUS DATA communication, a shielded and twisted 2 or 4 core cable is used. -
Page 8: Gas Detector Id Switches
Installation & Operation Manual Merlin GDP2X Gas Detector ID Switches When wiring multiple detectors in a chain it is important to identify each and every detector installed for the control panel to receive and display accurate data corresponding with the correct detector type. -
Page 9: Settings Options Explained
Installation & Operation Manual Merlin GDP2X Settings Options Explained OPTIONS FUNCTION Explanation - Gas Gas changes relay state with gas valve status only. BMS relay ON/OFF for- - Error Error changes relay state upon all alarm messages. - ON In the event of a power loss - the GDP2X will restart Auto Start- automatically when power is restored, or not. -
Page 10: Operation
Installation & Operation Manual Merlin GDP2X OPERATION First Power Up On connecting mains power, the GDP2X panel will ‘warm up’ for approximately 60 seconds – during this time the screen will display an ‘initialisation’ message. The panel will search for detectors wired to the system. Main Screen When the GDP2X has completed initialising –... -
Page 11: Alarm Messages
Installation & Operation Manual Merlin GDP2X Alarm Messages The GDP2X will display messages when in alarm – the messages are prompted from external devices that have been connected i.e. heat sensor or remote emergency stop. When the GDP2X goes in to alarm, the user can silence the audible buzzer by pressing MUTE. During the alarm, the gas will be shut off and no gas detection details will be available. -
Page 12: Servicing & General Maintenance
Installation & Operation Manual Merlin GDP2X Servicing & General Maintenance On the gas detector - a service message will intermittently flash every 30 seconds after one year of operation. The detector will still operate as intended but contact your supplier immediately. When Merlin gas detector(s) display the service message –... -
Page 13: Bump Testing
Installation & Operation Manual Merlin GDP2X Bump Testing What is Bump Testing? Bump testing is a term used for checking a gas detector is functioning correctly by exposing it to the target gas. A known concentration of the target gas is applied to the device to trigger an alarm condition and ascertain the detector is working safely. - Page 14 Installation & Operation Manual Merlin GDP2X NOTES Remember to individually ID each connected detector by configuring the ID switches on the detector circuit boards and making a plan, map and/or note of the location of all connected detectors for tracing and locality purposes! Where connections may exceed 100 metres from one control panel –...
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Page 15: Service Record
Installation & Operation Manual Merlin GDP2X Service Record Date Device ID Pass Sign GDP2X - IOM Iss: 5 06-20... -
Page 16: Installation Details
Installation & Operation Manual Merlin GDP2X Installation Details Please pass this manual to the system owner or system user. Date of Installation: Installation Location: Organisation: Stamp/ Signature of the installer: S&S Northern Head Office Tel: +44(0) 1257 470 983 Fax: +44(0) 1257 471 937 www.snsnorthern.com info@snsnorthern.com...