Installation
(1) Do not use the pump in an explosive atmosphere. Such use may result in injury and fire.
(2) Ensure that there are no inflammable materials such as solvents in the vicinity when using
the pump.
(3) Ensure that the motor is freely ventilated to prevent overheating which may result in fire or
burns.
Open the distance from the shield to the ventilation entrance part for the fan by 3.5cm or more when
you set it up.
Power Supply
(4) Always remove the power cord from the wall socket before checking or repairing the pump.
Failure to do so may result in electric shock, or the pump suddenly starting and causing
injury.
(5) Ensure that the relevant wiring is in accordance with technical standards for electrical
equipment and wiring regulations. Incorrect wiring may result in fire.
(6) Remove the power cord from the wall socket before connecting any wiring. Connecting
wiring with the power on may result in electric shock.
(7) Always ensure that the pump is correctly earthed. A dedicated earth leakage breaker is
recommended. Failure to earth the pump correctly may result in electric shock if a fault or
earth leakage occurs.
(8) This pump has thermal protector. But it is detect of temperature only. Overcurrent protection
shall be installed at the final installation.
(9) Use the pump only at the rated voltage. Use at other than the rated voltage will interfere with
operation of the overload protection device, and this may result in the motor burning out, or
fire.
(10) Do not damage, modify, pull the power cord, or place objects on it. Damage to the cord may
result in electric shock or fire.
(11) Always fully insert the power cord into the socket. Partial insertion may result in electric
shock.
(12) Remove the cord from the socket while holding the plug. Failure to do so may result in
electric shock.
(13) Touching the power cord with wet hands may result in electric shock.
(14) Touching electrical wiring etc while inserting the power plug may result in electric shock.
Operation
(15) This pump is not designed to be explosion-proof. When using the pump, ensure that there
are no inflammable materials such as solvents, or explosive gases, in the vicinity. Use under
such conditions may result in injury or fire.
(16) Inserting fingers or objects into the motor inlet may result in electric shock, injury, or fire.
(17) Operating the pump with the discharge outlet blocked, or with a device which prevents
passage of gas to the discharge outlet. The internal pressure of the pump rises and the
motor become overloaded.
This pump is not designed to be pressure-resistant. The internal pressure of the pump is
limited to 0.03 MPa (gauge pressure).
(18) Do not use it for the human body.
And do not use in applications involving organ transplants, or contact with body fluids or living tissue.
Maintenance and Repair
(19) The pump should be dismantled or repaired only by a repair technician trained by the
manufacturer.
(20) To prevent ingestion of microscopic particles resulting from wear of components, use a dust
mask and gloves during repair work.
!
Warning
06
Содержание DTU-20 Series
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Страница 34: ...Exploded view...