STP-301/451 Series Instruction Manual
4-4
Installation
4.2.2 Installation Area
Leave enough spaces for the following in addition to the space for the STP pump:
z Space for maintenance and inspection
z Space for connecting cables
◇ The minimum bending radius of the STP connection cable is
150 mm (see Section 13, "External Appearance of the STP Pump" [bending
dimensions of the STP connection cable]).
DO NOT excessively bend the cables and beware of any obstacles when installing
the STP pump.
Also, leave enough space to install other cables without bending them excessively.
◇ The L-type STP connection cable is also offered. Contact Edwards if necessary.
4.2.3 Bench
A bench must be prepared by the customer to secure the STP pump. The shape and size of
the bench differ depending upon the type of STP pump. Follow the precautions of the
WARNING, CAUTION, or NOTICE (see Section 4.3.3, "How to Secure the STP Pump").
◇ The STP pump is provided with a high-speed rotor. Any internal abnormality/error
may result in a jump in rotational torque leading to personal injury or peripheral
equipment damage.
Design and secure the bench for the STP pump so that it can withstand the
maximum torque generated due to the occurrence of an abnormality/error. Refer to
Section 4.3.3 "How to Secure the STP Pump" for abnormal torque.
◇ Secure the customer-prepared bench and the vacuum equipment on the floor or
peripheral equipment and other equipment in accordance with the customer
application. NEVER move them while the STP pump is in operation.
◇ Confirm the dimensions by the external appearance of the STP pump when
designing the bench.
The bolt may not be able to be inserted from the lower side of the inlet port
according to the shape of the inlet port flange.
When the external appearance of the STP pump is not in the manual, contact
Edwards.
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