Siemens ULTRAMAT 6F 사용 설명서 - 페이지 10
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3.1.2
Analyzers in hazardous areas
DANGER
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.
WARNING
Potentially explosive atmosphere
Do not open, service or repair the device in an area in which a potentially explosive atmosphere may be present.
3.1.2.1
Assembly guidelines
Installing the devices
Install the explosion-proof analyzer and - if required - the Ex px safety equipment at a location free from vibrations. Protect
the devices from direct sunlight.
● Secure the analyzer and the Ex px safety equipment (if applicable) in accordance with your dimensional drawings, and
connect them as shown in the diagrams in Section Connections of the field devices (Page 18).
A dimensional drawing of the analyzer can be found in Section Dimensions for preparing installation (Page 11), the
dimensional drawing of the Ex p safety equipment in the associated description.
Exhaust lines
Make sure that the minimum internal diameter and the length of the protective gas exhaust lines are dimensioned such that
a pressure of 165 hPa is not exceeded inside the enclosure and that the volume flow of the protective gas is at least 1 l/min.
Protection from impact energy
Make sure that the device has sufficient protection from impact energy of over 2 Joules in the area of the windows.
3.1.2.2
Further assembly instructions for devices with Ex nR or Ex tc protection
● Note that all cables must be secured in place!
● Close the protective gas (purging gas) nozzles gas-tight!
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Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
A5E45779389002-01, 09/2018