AGS Merlin Installation & Operation Instructions - Page 8
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Also for AGS Merlin: User & Installation Manual (5 pages), User & Installation Manual (6 pages), Installation & Operation Manual (12 pages)
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Merlin Gas Detector Installation & Operation Instructions
Network Address Switches
We recommend a plan, map and/or marking the detector enclosures detailing ID and location!
ID Switches must be configured for each detector connected to receive and display accurate data!
When wiring multiple detectors, it is important to identify each detector
installed for the control panel to receive and display accurate data
corresponding with the correct device.
The ID configuration diagram is printed onto detector boards for quick
reference as shown opposite. All detectors are factory set to ID1.
White = ON
Black = OFF
Termination Resistor
Signal communication issues may occur where the bus length is too long, high baud rates are used, or signal
reflections are occurring. To avoid this, terminating at each end of a chain may help the quality of the data
signal by turning on the 120-ohm terminal resistor switch. If a split chain is used, terminate the last detector
in each chain. If a single chain is used, terminate the first device (controller) and last device (Detector).
Wiring to GDP2 or GDP4 Controller
Power is supplied to a detector via the GDP terminal [+ / -] and using the panel [GAS DETECTION ZONE]
terminal. If you are using a GDP panel you will need to use the detector [C/L] terminal as an alarm relay.
BMS terminals can be used in conjunction with other external relays that affect other devices and controls
such as purge fans or audible alarms etc.
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