1-1
1. Safety precautions
Before using the unit, thoroughly read this “Safety precautions” to properly use the product.
Information described below is vital to safe and proper use of the unit and prevention of hazard
and/or damage.
1.1
Types and meanings of safety signs and graphic symbols
This instruction manual divides precautions into the following four categories according to the level
of hazards (or the severity of the accident). In addition, prohibited or mandatory actions as well as
cautions are indicated with a graphic symbol.
Be sure to understand the meanings of the following terms and comply with the content
(instructions) of the instruction manual.
Explanation of warnings
Explanation of the graphic symbols
Safety sign
Meaning
Don’ts
Do not touch
Do not
disassemble
Do not touch
with wet
hand
Do not
expose to
water
Danger
Indicates an imminently hazardous
situation. Failure to observe this will
result in death or serious injury.
These graphic symbols indicate prohibited actions (that
must NOT be done).
Warning
Indicates a potentially hazardous
situation. Failure to observe this will
result in death or serious injury.
Do’s
This graphic symbol indicates mandatory
actions (that must be done).
Caution
Indicates a potentially hazardous
situation. Failure to observe this will
result in minor or moderate injury or
property damage.
Caution Electric
shock hazard
Rotation
hazard
Hot surface
Note
Indicates information that is in
particular to be noted or emphasized.
These graphic symbols indicate existing hazards to
beware of.
1.2 Safety
precautions
Danger
Once the main power is turned on, do not touch any live parts.
A high voltage applied to live parts may cause a serious electric shock, thus leading to death.
Warning
Properly move the unit according to lifting
instructions.
Otherwise, the unit may fall, thus leading to an injury or
damage.
Do not carry out any work with/on the pump that is
being lifted.
Otherwise, the unit may fall, thus leading to an injury or
damage.
Only those who are authorized by the site manager
are allowed to operate the pump.
Operation by unskilled personnel may lead to an unforeseen
accident.
Installation, maintenance, and inspection must
only be carried out by personnel who have been
trained to handle the pump.
Operation by unskilled personnel may lead to an unforeseen
accident.
Only qualified personnel, such as licensed electrical
engineers, are allowed to carry out electric work.
Otherwise, it may lead to an electric shock, fire, failure, or
other problems.
Use high-quality wiring equipment and devices,
and carry out wiring work safely and securely
according to the technical standards for electrical
facilities, as well as the indoor wiring regulations.
Otherwise, it may lead to an electric shock, fire, or other
problems.
Securely install the ground wire and ensure to carry
out grounding work.
Otherwise, it may lead to an electric leak or electric shock.
Be sure to install the leakage circuit breaker at the
main power supply.
Otherwise, it may lead to an electric shock or fire.
