Explosive dusts
WARNING
Risk of death from fire and explosion due to dispersed dust deposits!
❒
Do not smoke within or close to the danger zone or boiler. Do not work with
any kind of naked flame, fire or ignition sources.
❒ Keep the danger zone free from dust. Dust deposits over 5 mm thick are not
permitted and must be removed.
❒ Stop work immediately in the event of a fire. Leave the danger zone until you
get the all-clear and notify the fire brigade.
➥ Dust deposits could catch fire or form an explosive compound if dispersed
with the ambient air. This can result in serious and even fatal injuries.
Incorrect fuel
WARNING
Risk of injury and damage to the boiler if the incorrect fuel is added!
❒ Only use fuels permitted by the manufacturer in the boiler.
❒ Never burn corn, cereal, coal, coke, garbage, painted or treated wood, bark,
petrol, oil or other flammable liquids in the boiler.
❒ Never store fuel or other flammable materials in the boiler room.
❒ Never use chemicals, kerosene, charcoal, spirits or other flammable liquids to
start or reignite the combustion process in the boiler.
1.6 What to do in the case of danger
What to do if the system overheats (at temperatures above 220°F (105°C))
WARNING
Risk of injury from switching the system off prematurely at the main switch!
❒
The system must only be switched off at the main switch once the boiler has
cooled down sufficiently (operating status “Fire Off”).
➥ Switching off the main switch when the boiler is in heating mode can cause
major combustion faults leading to serious accidents.
If the system overheats, proceed as follows:
❒
Keep all the doors on the boiler closed.
❒ Open all mixing valves; switch on all pumps. The Froling heating circuit control
takes on this function in automatic operation.
❒ Leave the boiler room and close the access door.
❒ Ensure that heat is being consumed. To do this, activate all consumer loads.
❒ Once the boiler temperature has fallen to 185°F (85°C), return the heating circuit
to normal status.
❒ If the temperature does not drop:
1
Safety
What to do in the case of danger
24 Froling GesmbH | A-4710 Grieskirchen | www.froeling.com
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