Merlin 3000S
USER GUIDE
Rev: 07 05-19
15
6
Warning Status
CO
2
HIGH
USING 0-10V INPUT TERMINALS
When CO
2
gas is detected above alarm level (see CO
2
Monitor
manual) the screen will appear and the fans will drive at
maximum speed.
When the CO
2
gas returns below alarm level, the system will
return to normal operation.
SMOKE/STEAM DETECTED
When smoke or steam is detected continuously for ~3 seconds,
the warning screen will appear and the fans will operate at
maximum speed.
When smoke or steam is not detected continuously for ~5
seconds the system will automatically return to normal.
When smoke or steam is detected for longer than 30minutes,
the panel will buzz intermittently and the warning screen will
appear to prompt cleaning the optical sensors.
Duct Temperature High
When the temperature in the extraction duct reaches or rises
above 30°C, the fans will be driven at a speed dependant on
the temperature. When the temperature in the extraction duct
reaches or rises above 73°C, the warning screen will appear and
the fans will be driven at maximum speed.
When the temperature in the extraction duct drops below 73°C, the warning screen will disappear
and the fans will continue at a speed dependant on the temperature.
When the temperature drops below 30°C, system will automatically return to normal.
