4
2. Before operating the unit
2. Carefully select an installation site.
Take special care not to install the unit at a place described below:
・
Uneven surfaces or dirty surfaces
・
Where flammable gas or corrosive gas exists
・
Where the ambient temperature is 35
℃
or more
・
Where temperature changes severely
・
Where humidity is high
・
Where subject to direct sunlight
・
Where vibration is severe
Install this unit at a place with spaces shown below.
1
5cm or more
ほ
Main body
Precautions on installation
Warning
1
．
Be sure to connect the earth.
・
Be sure to connect the earth wire (green core wire of the power cord) to the earth wire or
the earth terminal to avoid an electrical shock due to earth leakage.
・
Never connect the earth wire to a gas pipe or a water pipe. Otherwise, a fire may result.
・
Never connect the earth wire to the earth terminal for a telephone line or to a lightening
conductor. Otherwise, a fire or an electrical shock may result.
・
Never use a branching outlet, which might generate heat and cause a danger.
We recommend use of a ground type
outlet tap.
When there is no ground terminal.
In this case, type D grounding work is
necessary and please consult your dealer or
our nearest sales office.
When a bipolar type outlet tap is used
Insert the ground adaptor included as an
option, into a power plug confirming the polarity
of the outlet. Connect the grounding wire
(green) of the ground adaptor to the ground
terminal on the power supply equipment.
Grounded receptacle
Power plug
Ｇ
Ｇ
Bipolar
receptacle
Grounded wire