15
４−５．Grounding
Make grounding with terminal
Be sure to make grounding before putting power ON..
*The above fig shows the unit with single case. In case of multi-unit case, refer to instruction
manual for multi-unit case.
Be sure to make grounding for safety purpose and to keep stable operation of this unit.
Do not connect each wire with gas pipe. Make grounding corresponding to D-class grounding
(Grounding resistance : below 100 ohms).
WARNING
Terminal
