AGS Merlin 2000S Podręcznik użytkownika - Strona 7
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Merlin 2000S
3.5
Gas Fill and Prove Time
Gas fill and prove times are adjustable. There are two dip-switches located on the inside facia of
the Merlin 2000S labelled "Fill Time" and "Prove Time". They are factory set in the 'off' position.
Fill and prove time can be changed by turning the relevant dip switch to on position.
FILL TIME is the amount of time the gas valve is open to fill the gas line.
Off – 5 seconds
On – 10 seconds
PROVE TIME is the amount of time the system tests the gas line for any leaks.
Off – 30 seconds
On – 50 seconds
Once the settings has been changed please remove power from the fuse spur for 10 seconds.
On installation, this can be switched to the ON position if required. This will instruct the system
to leave the fans on and only shut off the gas supply on activation of the Emergency shut off
button(s).
Note: This option is not available if Fan Switch is not installed.
3.6
Fire alarm integration
The Merlin 2000S can be integrated with a fire alarm to close the gas supply automatically in the
event of a fire.
The volt free fire alarm signal can be wired in series with any remote emergency shut off buttons.
3.7
CO
Mode
(Select Models Only)
2
Under normal working conditions the Merlin 2000S monitors the ventilation and the concentration
level of CO
In the event of ventilation failure or if the CO
2.
shut off the gas supply.
The Merlin 2000S features a 'CO
supply in the event of a fan failure. There is a 'CO
panel. This button will only be available to use when 'Fan fault' LED illuminates Red. To enable
the CO
Mode, the 'CO
2
and CO
Mode LED will come on. In this mode, the Merlin 2000S will monitor only the CO
2
to ensure there is a safe working environment. This mode will allow the gas valve to open for 8
hours each time the system is energised, provided there are satisfactory levels of CO
At the end of 8 hours, the gas valve will close and CO
To reinstate the system the panel has to be restarted. The 'CO2 Mode' will be permanently
disabled if a CO2 Sensor is not detected at power up.
Rev: 06
05-19
Mode' this allows the kitchen to have the access to the gas
2
button' has to be pressed for 5 seconds. The Fan Fault LED will go off
2
level is at alarm level, the panel will
2
Mode' button located on the front of the
2
Mode LED will be flashing.
2
User Guide
levels
2
.
2
7