4 How to Use
4-4. Grounding
- 19 -
4-4. Grounding
Connect the earth terminal
to your grounding terminal.
* SK1, SK2: Surge absorbing parts
Power
supply
Load
Coil
Power
supply
External relay
(low voltage relay)
Alarm contact
WARNING
Before turning on the alarm system, never fail to connect the earth terminal to a grounding terminal.
Terminal
For stable operation of the alarm system 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).