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CB / CB-UL, CBF / CBF-UL (E7) 07/2021 Page 31/197
NOTICE
Danger of overheating due to lack of ventilation.
Damage to the chamber.
∅ Do NOT install the chamber in unventilated recesses.
Ensure sufficient ventilation for dispersal of the heat.
Observe the prescribed minimum distances when installing the chamber.
Do not install or operate the chamber in potentially explosive areas.
DANGER
Danger of explosion due to combustible dusts or explosive mixtures in the vicinity
of the chamber.
Serious injury or death from burns and / or explosion pressure.
∅ Do NOT operate the chamber in potentially explosive areas.
KEEP explosive dust or air-solvent mixtures AWAY from the vicinity of the chamber.
Ambient conditions
• Permissible ambient temperature range for operation: +18 °C / 64.4 °F to +30 °C / 86 °F
At elevated ambient temperature values, fluctuations in temperature and humidity may occur.
• Ideal ambient temperature: at least 7 °C / 12.6 °F below the intended working temperature. E.g., working
temperature 37 °C / 98.6 °F = ambient temperature 30 °C / 86 °F and lower. In the event of working
temperatures of less than 7 °C / 12.6 °F above the ambient temperature, the setpoint can be exceeded.
Do not place the chamber directly below the air outlet of an air conditioner.
The ambient temperature should not be substantially higher than the indicated ambient
temperature of 22 +/-3 °C / 71.6 +/-5.4 °F to which the specified technical data relates. For
other ambient conditions, deviations from the indicated data are possible.
Avoid direct solar radiation on the chamber.
Avoid strong drafts, e.g. by air conditioning.
• Permissible ambient humidity: 70 % r.h. max., non-condensing.
• Installation height: max. 2000 m / 6561.7 ft. above sea level
Minimum distances
• Wall distances: rear 100 mm / 3.94 in, sides 50 mm / 1.97 in.
To completely separate the chamber from the power supply, you must disconnect the power
plug. Install the chamber in a way that the power plug is easily accessible and can be easily
pulled in case of danger.
Notes on handling carbon dioxide (CO
2
)
Carbon dioxide (CO
2
) in high concentrations is hazardous to health. It is colorless and almost odorless and
therefore practically imperceptible. Vent out any CO
2
gas that may escape via good room ventilation or a
suitable connection to an exhaust system. We recommend installing a CO
2
warning system.
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