
Merlin 3000S
USER GUIDE
Rev: 07 05-19
17
LOW GAS PRESSURE
When gas supply pressure drops below 12mBar for 10 seconds
the fault screen will appear and the gas valve, contactor and
the fans will all shut off.
GAS PRESSURE TEST FAIL
If the gas pressure test drops by more than 10% or below 12mBar
the test will fail.
SUPPLY FAN FAULT
If a supply fan fault is detected for longer than 20 seconds - the
gas, contactor and fans will all shut off.
EXTRACT FAN FAULT
If an extract fan fault is detected for longer than 20 seconds - the
gas, contactor and fans will all shut off.
Solid Fuel Protection
The Merlin 3000S has a built-in solid fuel protection feature.
This is factory set to OFF.
When the system is switched off and the solid fuel protection is
set to ON it will continue to instruct the system to check the CO
Detector, CO
2
Monitor & Duct Temperature if applicable.
When all of the above faults are rectified and safe, the system will automatically shut down again.