Manual

2 Installation 2-3. How to wire
GD-70D - 26 -
Grounding
Use the grounding terminal to connect the detector to your
grounding circuit.
WARNING
• Before turning on the detector, do not forget to connect it
to a grounding
circuit.
• For stable operation of the detector and safety , it must
be connected to a grounding circuit. Do not connect the
grounding wire to a gas pipe. The grounding must be
made as D type grounding (below 100 Ω of grounding
resistance).
Grounding screw (M4)
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