4 How to Use
4-5. Grounding
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4-5. Grounding
Connect the detector to your grounding terminal with the internal or external terminal.
WARNING
Before turning on the detector, never fail to connect it to a grounding terminal.
For stable operation of the detector and safety, it must be connected to a grounding terminal. Never
connect the grounding wire to a gas pipe.
The grounding must be made as D type grounding (below 100
Ω
of grounding resistance).
Internal grounding terminal
(M4)
External grounding terminal
(M4)
WARNING
Perform A type grounding when Zener Barrier is connected for explosion-proof specification.
