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2. Before Use
Installation method and preparation before use
3. Always connect the grounding wire.
● Always connect the grounding wire properly to prevent electric shock accidents due to
ground leakage.
If there are no applicable grounding terminals in your site, please perform required
grounding works [D class grounding work (ex. Class 3 grounding, up to 100 Ω)]. This
grounding work must be performed by an authorized electric work specialist. Please
contact your dealer, us or an electric work shop, if no appropriate person is available.
Operation without grounding may cause electric shock accidents.
● Do not connect the grounding wire to gas plumbing, grounding wire of telephone, or
lighting conductor. Otherwise, fire or electric shock may be caused.
● Do not connect the grounding wire to water plumbing. If vinyl chloride piping exists, the
grounding may be insufficient.
4. Take care with installation site
Fume hoods must not be installed:
● in flammable or corrosive gas atmosphere
● on uneven or dirty floor
● in a humid place
● in a location with large diurnal temperature range
● in a location with ambient temperature of not less than 35 °C
● in a location with significant vibrations