1.4.2 Prohibitions
Unauthorized access prohibited
Only persons authorized by the operator may enter the danger zone and fuel storage
room. Keep children away! Keep the fuel storage room locked and keep the access
key in a safe place. Protect the fuel from moisture.
No fire, open flames or smoking
Areas marked with this are at risk of fire or explosion. Keep ignition sources away from
these areas.
1.4.3 Warning signs
Automatic start-up
This sign indicates that there is a risk of the system starting up automatically. Work
may only be carried out in areas with this marking if the system has been secured.
Electric current
Only licensed electricians may work in workspace with this marking.
Unauthorized persons are not permitted to enter work areas with this marking or open
the cabinet with this marking.
Harmful or irritant materials
These materials can be irreparably harmful to health, trigger allergic reactions or
irritate the mucous membranes.
Observe the information on the packaging and containers.
Danger from carbon monoxide
There is a risk of poisoning from a possible concentration of carbon monoxide in the
fuel storage room and boiler room. Ventilate the fuel storage room for at least
15 minutes before entering. Two people must always be present when working in the
fuel storage room. The access door must be kept open at all times. Also wear a dust
mask because of the high dust levels.
Hand injuries
Keep hands away from areas bearing this warning.
There is a risk that your hands could get trapped, pulled in or otherwise injured.
Hot surfaces
Hot surfaces, such as hot system parts, may not always be obvious. Do not touch
these parts without protective gloves.
Risk of falling
There is a risk of falling in the fuel store because of slippery surfaces or fuel lying
about. Take extreme care and wear personal protective equipment.
Risk of injury at fans
Keep hands away from areas bearing this warning.
There is a risk that your hands could get trapped, pulled into or otherwise injured in
automatic fans.
Safety
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Safety markers
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