6 GMS815P-PS-2G/-3G · Supplementary Operating Instructions · 8016234 V2.0 · © SICK AG
Important Information
Subject to change without notice
1.1 Main hazards
Health risks through dangerous sample gases
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→ “GMS800 series” Operating Instructions
When shutting down
1.2 Main operating information
Before start-up
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Make sure the internal mains switch is switched on (→ p. 22, Fig. 4).
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Close the enclosure tight.
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If the enclosure is deformed or damaged: Do not put the GMS800 into operation and
secure against unauthorized start-up.
Start-up/operation
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Carry out start-up and shutdown in accordance with the Operating Instructions deliv-
ered with the pressurized enclosure system.
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Do not open the enclosure during operation.
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Before shutting down: Purge the sample gas path with a dry neutral gas to prevent con-
densation in the measuring system.
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Service information: Always wait at least 30 seconds between single switch-on actions
(cooling time for the switch-on current limiter).
In hazardous situations
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Switch-off the emergency switch or main switch of the host system.
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If liquid has penetrated the enclosure: Shut the GMS800 down immediately and dis-
connect mains voltage at external source.
WARNING: Risk of explosions
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Do not open the enclosure when an explosive atmosphere is present.
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Wait at least 60 minutes after disconnecting from the mains voltage before
opening the enclosure.
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Observe the safety information on the enclosure.
● The GMS800 is switched off automatically should the protective gas feed
fail.
● Pressurized enclosure parameters → p. 35, §6.8
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