Hitachi E-U Series, Instruction Manual, Page: 5 / 24

WARNING
PIPING & WIRING
Concern/Alarm Possible Consequences
Connect the power supply cable correctly.
(see page 13)
If the power supply is installed incorrectly,
electric shock or fire to the machinery can
occur.
Do not bend or pull the power supply cable or
lead wires of the Vortex Blower.
Bending or pulling wires can lead to electric
shock or fire to the machinery.
Do not put any the power supply cable or lead
wires between machinery.
Installing the power supply cable or lead
wires between machinery can lead to electric
shock or fire to the machinery.
Do not touch the terminals during
measurement of the insulation resistance.
Touching the terminals can lead to electric
shock.
Properly trained personnel should wire the
Vortex Blower in accordance with electrical
equipment standards.
Failure to wire in accordance with the
standards and/or utilizing improperly trainer
personnel can lead to burn out of the motor or
fire to the machinery.
Installation of an overload protector is
approved in accordance with electrical
equipment standards (overload protector is not
included on theVortex Blower). Install the
overload protector in the power supply circuit
of the Vortex Blower (see page 13).
Failure to install an overload protector can
lead todamage to the Vortex Blower, burn out
of the motor or fire to the machinery.
Install a ground connection prior to using the Vortex
Blower. Properly ground (Class 3 ground) the
equipment.
Installing a ground connection properly will
prevent accidents due to current leakage caused by
electric insulation deterioration.
Install an independent earth leakage (ground)
circuit breaker prior to using the Vortex
Blower.
Installing an earth leakage (ground) circuit
breaker will prevent accidents due to current
leakage caused by electric insulation
deterioration.
Install an independent electromagnetic switch
in the power supply ciruit as protection for the
Vortex Blower.
Failure to install an electromagnetic switch
can lead to damage to the Vortex Blower,
burn out of the motor or fire to the machinery.
Do not allow the Vortex Blower to inhale any
type of water.
Inhaling water can lead to current leaks,
electric shocks, rusting or bearing damage.
OPERATION
Concern/Alarm Possible Consequences
Do not operate the Vortex Blower while the
terminal box cover is removed.
Operating while the terminal box cover is
removed can lead to electric shock.
After servicing the Vortex Blower, verify that
the terminal box cover is properly mounted to
the case.
Failure to properly mount the terminal box
cover can lead to electric shock.
During operation, do not approach or touch
any of the rotating parts of the Vortex Blower.
Touching any of the rotating parts during
operation can lead to personal injury.
If a power loss occurs, turn off the power
supply.
Turning off the power supply prevents
personal injury.
Do not touch the Vortex Blower during
operation, as excessive heat is generated.
Touching the hot Vortex Blower can lead to
personal injury and burns.
Do not touch the Vortex Blower if the power
supply is still ON. This applies even if the
Vortex Blower is stopped.
The Vortex Blower may suddenly start,
resulting in an personal injury or electric
shock.
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