Ulvac DTU-20 Series Instruction Manual page 12

High vacuum diaphragm type dry vacuum pump
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Caution
Installation
(1)
The fine clearances used in this pump require that the following conditions be satisfied during
storage, installation, and operation.
1.
Ambient temperature of 5℃ to 40°C in temperature, Lower than 85%
(relative humidity) in humidity .
2.
Other conditions for storage and operation.
a) Level floor of sufficient strength.
b)
No condensation
c)
Dust-free environment
d) For indoor use only.
e)
Well ventilated.
f)
No explosive gas.
g) No direct sun rays.
h)
No danger of fire.
(2) To prevent back injuries, always use at least both hands when lifting and moving the pump.
(3) Microscopic particles resulting from wear of components are discharged from the outlet and
contaminate the room. If necessary, connect a pipe from the discharge outlet to the outside of the
building.
(4) Install the main disconnection (suitable plug or switch/circuit breaker) device for safety .
Operation
(5) Touching rotating components (eg motor, main shaft, axial joints, cooling fan) while the pump is in
operation may result in injury.
(6) The overload protector operates when the pump becomes excessively hot. Touching it in this
condition may result in burns.
(7) Touching the motor while the pump is in operation or while it is still hot immediately after having
been switched off may result in burns.
(8) Do not insert fingers or objects into, or peer into, the inlet or outlet during operation.
Maintenance and Repair
(9)
Dispose in accordance with legislation for disposal and cleaning of waste products, handle as
industrial waste, and do not incinerate.
Toxic fluorine gas is generated by incineration of fluorine-based plastics.
(10) If the pump ceases operation, turn power OFF (set switch to O) immediately to prevent
accidents, remove the power cord from the wall outlet, and contact your dealer or the
manufacturer for inspection and repair.
(11) Leave the pump for at least 30 minutes until it has cooled, and begin operation again.
Touching the pump immediately after it has stopped may result in burns.
07

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This manual is also suitable for:

Dtu-20aDtu-20bDtu-20cDtu-20dDtu-20e

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