AGS Merlin 1000Si Manual do utilizador e de instalação - Página 3
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Merlin 1000Si
Gas Utility Controller
1
General information
The Merlin 1000Si is a gas isolation & gas detection utility controller.
The Merlin 1000Si can receive connections from remote emergency shut-off buttons, gas detectors and
a CO2 monitor. It can also be integrated with a BMS and fire alarm.
It is recommended that the user reads this guide before using the system. Please do NOT attempt to
operate the unit until the contents of this document have been read and are thoroughly understood.
2
Installation
2.1
Panel Mounting The control panel is designed for surface mounting using 4 mounting screws.
Removing the cover on the panel gives access to the circuit board. The PCB should be removed before
drilling entry holes into the case.
2.2
Power Supply A 100-240VAC electrical supply should be supplied to the panel. This should be
externally fused at 3 Amps using a fused spur and should be connected to the terminals marked "LNE
Power IN"
2.3
Gas solenoid valve The gas solenoid valve should be powered using the terminals on the
Merlin 1000Si marked "LNE to VALVE".
2.4
BMS Connections Terminal connections are available on the circuit board for connections to
Building Management systems etc. Detailed on the circuit board as "BMS OUT N/C, COM and N/O"
these are volt free connections.
2.5
Timeout Facility The Merlin 1000Si has a built-in Auto-shut down feature and it will turn itself off
after predefined time. Auto-shut down timeout is selectable. There are two dip-switches located on the
inside facia of the Merlin 1000Si labelled "Time1" and "Time2". They are factory set in the 'off' position
for a 2 hour timeout. On installation, they can be switched to the 'on' position to select required timeout.
Time1 Off, Time2 Off – 2 hours
Time1 On, Time2 Off – 4 hours
Time1 Off, Time2 On – 8 hours
Time1 On, Time2 On – no timeout (auto-shut down disabled)
On Auto-shut down gas supply will be turned off.
2.6
Remote emergency shut off buttons 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 1000Si using two-core
cable.
Gas Detector The terminals detailed on the circuit board as "Gas Detector". These connections
2.7
are "+,-" and "
" these can be wired to a Merlin Natural gas, Carbon monoxide or LPG detector. If no
detector is being used leave the link in between the "
2.8
FS 123 This terminal switches when the key is turned on and off. This can be linked to a fan
switch (panel supplied separately) which can provide power to the fans when the control panel
is switched on.
2.9
CO2 Monitor This terminal can be wired to CO2 monitor to shut off the system in the event of
High CO2 levels. If no CO2 monitor is supplied leave the terminal link in.
2.10
12v DC This is a permanent 12v DC output when there is power at the panel.
2.11
Internal Buzzer Operates at 65dB measured 30cm from closed panel.
Note: all low voltage connections should be made using a screened cable. To avoid electrical interference
this should not be in the same conduit as mains cable as per the low voltage directive.
Rev: 02 Date: 08-01-18
User & Installation Manual
". Other detector types are available.
3