S&S Northern Merlin GDP4 Installation & Operation Manual
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S&S Northern Merlin GDP4 Installation & Operation Manual

Gas detection panel
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Installation & Operation Manual
Merlin GDP4
Merlin Gas Detection Panel: GDP4

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 - boiler houses.
The GDP4 can be used with up to twelve (12) Merlin gas detectors (sold separately) for monitoring and
detecting gas including carbon monoxide, liquid petroleum gas and methane. The GDP4 can also be
integrated with a BMS, fire alarm and remote emergency shut-off buttons.
Rev: 9 03-20
1

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Summary of Contents for S&S Northern Merlin GDP4

  • Page 1 Installation & Operation Manual Merlin GDP4 Merlin Gas Detection Panel: GDP4  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 - boiler houses.

  • Page 2: Table Of Contents

    Installation & Operation Manual Merlin GDP4 Table of contents INSTALLATION ................... 3 Planning ........................... 3 Fixing ..........................3 Board Overview ......................4 Wiring the GDP4 ......................5 BMS Wiring and Set-Up Switch ..................6 Auto Reset Set-Up Switch ..................... 7 Zone 1 - 4 Set-Up Switches ...................

  • Page 3: Installation

    INSTALLATION Planning The Merlin GDP4 is a four 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 twelve Merlin gas detectors for monitoring and detecting gas including carbon monoxide, liquid petroleum gas and methane.

  • Page 4: Board Overview

    Installation & Operation Manual Merlin GDP4 Board Overview To avoid electrical shock you must always isolate the mains supply before opening the GDP4 panel cover/s. 1. 100-240VAC Mains power Input 2. 100-240VAC Gas Solenoid Valve Power Output. 3. 24VDC Gas detector power supply (Zone 1) purchased separately.

  • Page 5: Wiring The Gdp4

    Installation & Operation Manual Merlin GDP4 Wiring the GDP4 Mains supply must be connected by a Always power down the panel when competent person and according to wiring external circuits to prevent any regulations. damage to electronics. MAINS POWER CONNECTION 100-240V AC mains power should be supplied to the [POWER] connector using a 3 core cable and fused at 3A.

  • Page 6: Bms Wiring And Set-Up Switch

    The terminal for remote emergency shut-off buttons is detailed on the circuit board as [EM REMOTE]. These connections are linked out as a factory setting. Remote emergency shut-off buttons should be volt free and wired to the Merlin GDP4 using two-core cable.

  • Page 7: Auto Reset Set-Up Switch

    Installation & Operation Manual Merlin GDP4 Auto Reset Set-Up Switch The GDP4 has a built-in auto reset feature. There is a dip-switch located on the GDP4 circuit board labelled [Auto]. This is factory set in the ‘Off’ position i.e. when power is restored after a power cut or loss, the panel has to be restarted manually.

  • Page 8: Specification

    Installation & Operation Manual Merlin GDP4 Specification Product: Gas Detection Panel Model: GDP4 Power Input Voltage 100-240V AC Gas Valve Output Voltage 100-240V AC BMS Output Current Consumption 20W max (full load) Internal Fuse 3.15A Operating Temperature 0 – 50°C 30-85%RH Non-Condensing...

  • Page 9: Operation

    Installation & Operation Manual Merlin GDP4 OPERATION First Power Up On connecting mains power, press reset to start the testing sequence. The system will close the solenoid valve when an emergency stop has been pressed, gas has been detected or any alarm signal has been triggered.

  • Page 10: Mute & Reset Buttons

    Installation & Operation Manual Merlin GDP4 Mute & Reset Buttons MUTE The mute button is located on the front fascia of the GDP4 and is used to mute the sounder inside the board when in alarm. The internal buzzer operates at approximately 90db measured 30cm from a closed panel.

  • Page 11: Important Warning Statements

    Installation & Operation Manual Merlin GDP4 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.

  • Page 12: Installation Details

    Installation & Operation Manual Merlin GDP4 Installation Details Please pass this manual to the system owner or system user. Date of Installation: Installation Location: Organisation: Stamp/ Signature of the installer:   Contact Us: S&S Northern Head Office Tel: +44(0) 1257 470 983 Fax: +44(0) 1257 471 937 www.snsnorthern.com...

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