Ulvac DTC-22A User Manual page 11

Diaphragm-type dry vacuum pump
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Warning
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)
Turn off the main disconnection device 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)
Turn off the main disconnection device 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)
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.
(9)
Do not damage, modify, pull the power cord, or place objects on it. Damage to the cord may
result in electric shock or fire.
(10) Touching the power cord with wet hands may result in electric shock.
(11) Touching electrical wiring etc while inserting the power plug may result in electric shock.
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This manual is also suitable for:

Dtc-22bDtc-22c

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