AGS Merlin 2000S Manuale di installazione e funzionamento - Pagina 10
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Installation & Operation Manual
Extract Fans
Under normal working the LED will illuminate.
If an extract fan fault is detected, the LED will flash.
ON = OK / *FLASHING = One of the extract fans is not running
*IF SUPPLY AND/OR EXTRACT FANS LED FLASHES FOR MORE THAN 20 SECONDS, THE GAS WILL SHUT OFF.
Fan Fault
Under normal working conditions this LED is off.
If a fan fault is present for more than 20 seconds, the LED will illuminate RED.
OFF = OK / ON = the gas supply has been shut off due to a ventilation fault.
EM Stop
If an emergency shut off button (either remote or on the panel) is pressed, the LED will illuminate and
the gas is shut off. The button(s) must be re-set before restarting the system.
OFF = OK / ON = Emergency Shut Off button pressed
Gas Detected
Under normal working conditions this LED is off.
If an external Merlin detector connected detects high levels of gas this LED will illuminate and the Gas
valve will turn off.
OFF = OK / ON = Gas detected.
CO
High
2
Under normal working conditions this LED is off.
If the concentration of Carbon Dioxide (CO
separately), the LED will show illuminate and the Gas valve will turn off.
OFF = OK / ON = the concentration of CO
CO
Mode
2
The 'CO
Mode' button located on the front of the panel will only be available to use when 'Fan fault' LED
2
illuminates. To enable CO
off and CO
Mode LED will come on. In this mode, the Merlin 2000S will monitor only the CO
2
ensure there is a safe working environment and allow the gas valve to open for 8 hours each time CO2
Mode is activated provided CO
At the end of 8 hours, the gas valve will close and CO
To reinstate the system the panel has to be restarted.
CO2 Mode will be permanently disabled if a CO2 monitoring device is not connected.
Rev: 10
02-21
) in the air is at alarm level (CO2 Monitors sold
2
is at alarm level.
2
Mode, this button has to be pressed for 5 seconds. The Fan Fault LED will go
2
levels are safe.
2
Mode LED will be flashing.
2
Merlin 2000S
levels to
2
10