NF WF1946B, Instruction Manual

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WF1946B
Safety Precautions
Observe the following warnings and cautions in order to use this equipment safely. No responsibility or
warranty is assumed for damages arising from use in a manner contrary to these warnings and cautions.
This product is an insulation standard class I device (with a protective conductor terminal) as defined by the
IEC standards.
●
Observe text instructions
This manual has been compiled in order to enable safe operation and use of this equipment. Be sure to read
this manual before using the equipment.
Items designated by Warning advise of serious physical hazards. Be sure to observe these carefully.
●
Be sure to connect ground
Since the unit includes a built-in line filter, there is risk of shock if used without grounding.
To prevent electric shock, be sure to properly connect the device to the electric ground which ground
resistance is less than 100
Ω
.
●
Confirm power source voltage
Before connecting this equipment, check that the proper voltage is being supplied to the power outlet.
Refer to the Grounding and Power Supply section of this manual.
●
Use only the properly rated fuse
Improperly rated fuses present a fire hazard and other risks. Refer to the Grounding and Power Supply
section of this manual and confirm the fuse rating.
Be sure to disconnect the equipment from the power source before replacing the fuse.
●
Smoke, odor, noise
In event smoke, peculiar odor or noise is emitted, immediately disconnect the power source and avoid further
operation. Contact service.
●
Flammable gas
Do not use this equipment in the presence of flammable gas. There is danger of fire and explosion.
●
Do not remove covers
This equipment contains dangerously high voltages. Do not remove external covers.
Refer all internal inspection and service to a qualified service technician who fully understands the hazards.