D33451 | Date 01/2018 23
Operation and control
5. Operation and control
5.1 For your safety
WARNING
Leaving the door open during operation can cause the appliance to
overheat or pose a fi re hazard. Do not leave the door open during
operation.
WARNING
Gas bottles may burst or explode at high temperatures. Keep the gas
bottles away from open fl ames. Do not store gas bottles at or above
50 °C and ensure that the location is always well-ventilated. Prevent
water from penetrating as well as backfl ow into the gas bottles. It is
essential that you read the safety notes and instructions of the gas
supplier.
CAUTION
Danger of suffocation. CO
2
and N
2
in high concentrations can have
a suffocating effect. In normal mode, the appliance emits small
amounts of CO
2
and N
2
to its surroundings. You should therefore
ensure that the room is properly ventilated. A ventilation rate of 250
m³ / h is required. Always close the stop valve or pressure reducer on
the gas bottles if the appliance is not in operation.
CAUTION
High concentrations of CO
2
can cause cold burns or frostbite. Avoid
contact with CO
2
gas to the eyes and skin.
5.2 Operating personnel
The appliance may only be operated by persons who are of legal age and have been instruct-
ed accordingly. Personnel who are to be trained, instructed or who are undergoing general
training may only work with the appliance under the continuous supervision of an experi-
enced person.
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