Siemens ULTRAMAT 23 Series Equipment Manual page 64

installation
Direct sunlight
Device damage.
The device can overheat or materials become brittle due to UV exposure.
• Protect the device from direct sunlight.
• Make sure that the maximum permissible ambient temperature is not exceeded. Refer to
Note
Installation in cabinets
The dead weight of the analyzer could result in deformation of the frame when only secured at
the front.
•
Explosion hazard
If a flammable or ignitable atmosphere exists, plugs must never be disconnected or lamps/
fuses replaced when the analyzer is supplied with power.
ATEX Zone 2
The following applies to devices (special versions) which are operated according to ATEX in Ex
zone 2:
Explosion hazard
The ULTRAMAT 23 gas analyzers for use in Ex zone 2 must be installed in a lockable enclosure
with IP54 degree of protection. This enclosure must comply with the requirements of
EN 60079-15 and must be designed for all ambient conditions which can occur during
operation. This enclosure only be opened using a tool (e.g. a key).
The maximum ambient temperature is 50 °C.
Suitable measures must additionally be applied to ensure that
• the generation of potentially explosive gas mixtures inside the analyzer does not exceed the
• interferences cannot lead to a deviation of more than 40% from the rated voltage.
64
CAUTION
the information in Technical specifications (Page 32).
Therefore place the analyzer on support rails when mounting in control cabinets!
DANGER
DANGER
level of Zone 2
Equipment Manual, 04/2022, A5E37100388-012
ULTRAMAT 23