AGS Merlin GDP2 Installation Fonctionnement et entretien - Page 4
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Installation & Operation Manual
Installation
Typical Application, Location & Positioning
The Merlin GDP2 is a multi-safe 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 8 Merlin gas detectors for
monitoring and detecting gas including carbon monoxide, liquid petroleum gas and methane.
The controller panel can be integrated with, but not limited to, a BMS (building management system), a fire panel,
external alarms and remote emergency shut-off buttons.
Locations for detectors will vary based on the intended application and target gas, they should be located near
identified sources of a potential gas leaks/ pockets where hazardous gas could quickly accumulate and areas of
identified consequential risk.
The composition of the target gas and its density relative to air are used as the basis for any recommended height of
detector placement. Generally, the installation height of a detector for a heavy gas (such as propane) would be close
to the lowest point in the area, and for a light gas (such as methane) 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
Natural Gas/Methane (NG)
Liquid Petroleum Gas (LPG)
Carbon Monoxide (CO)
Hydrogen (H)
Oxygen (O
)
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* If you are installing and monitoring Oxygen depletion – consider the density of gas for its application and position
the detector accordingly i.e. ground level for high density gases.
The control panel should be located away from the area that it is monitoring and accessible is for both status
observation and alarm purposes. The control panel should be located outside of the hazardous area that it is
monitoring. Easy access is required both for status observation and alarm purposes.
Access & Mounting
Unpack all the parts!
Designed for surface mounting, it must be installed by a licensed, insured contractor or competent person.
Carefully remove the front cover from the unit by unscrewing the four bolts
located at each corner. To do this – use the socket wrench provided. Mark
the four screw holes located on the back of the enclosure to the wall and
ensure the wall surface is flat to prevent base distortion.
After executing the mounting and the connections – replace the front cover
and insert the security caps over the 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 AGS for more information.
Rev: 8 03-21
Typical Position
High Level - 300mm (1ft) from ceiling
Low Level - 300mm (1ft) from ground level
Breathing Zone - 1700mm (5ft 6") from ground level
High Level - 300mm (1ft) from ceiling
*Breathing Zone - 1000-1500mm (3 - 5ft) from ground level
Merlin GDP2
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