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Merlin Gas Detectors
1
General Information
American Gas Safety LLC supply a full range of remote gas detectors that are compatible with
our range of Merlin panels. These consist of carbon monoxide, natural gas, LPG detectors.
2
Installation
Mounting & Position
2.1
The control panel is designed for surface mounting using two mounting screws. Removing the
back plate gives access to the circuit board. Do not attempt to remove the PCB.
For the positioning of specific gas detectors please see below:
Natural Gas – 12" from the ceiling.
Hydrogen Gas – 12" from the ceiling.
LPG – 40" from ground level.
Carbon Monoxide – Commercial Kitchens: 67" from ground level.
Power Supply
2.2
A 12 – 24VDC electrical supply should be supplied to the panel and should be connected to
the terminals marked [POWER + -].
Alarm Relay
2.3
Our range of Merlin Gas Detectors can work with various Merlin systems.
If you are using our GDP range you will need to use the [C/L] terminal as an alarm relay
whereas on most other systems gas detectors should be wired to the gas detector terminal on
the Merlin panel using the [N/C] & [COM]. See Wiring Diagram at the end of this document.
xxxTo Avoid Electrical Interference. All low volt connections should be made using a screened
3
Operation
Detector ON & OFF
3.1
ON - Supply power to the detector
OFF - Remove power to the detector
LED STATUS
3.2
Power
Detector is ON.
-
Low - When the detector has reached low level alarm – LOW LED will illuminate.
High
When the detector has reached High level alarm state this will illuminate and
-
the buzzer will sound.
Please see below for further LED information.
Rev: 08 Date: 18-10-18
Commercial Plant Room: 40" from ground level.
User & Installation Manual
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3