User Manual
Merlin 3000S
Iss: 10 Page 17
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.
Fault Status Screens
EMERGENCY STOP
If an emergency stop button (remotely or direct) is
pressed, the gas and contactor will shut off. Fans can be driven in a
combination upon emergency stop activation
–
see settings.
The
Emergency Stop must be reset before restarting the system.
CARBON MONOXIDE DETECTED
If the connected CO Detector detects
high concentrations of CO gas, the gas and contactor will shut off and
fans will run at maximum speed.
CO
2
HIGH
When CO
2
gases rise above alarm level
(see CO
2
Monitor
manual)
the fault screen will appear. The gas and contactor will shut
off and fans will run at maximum speed.
FIRE ALARM ACTIVATED
If the connected fire panel detects a fire the
gas and contactor will shut off. Fans can be driven in 4 combinations
–
see settings.
