Read through the Safety Precautions of this Manual
carefully before using the STP pump.
Keep this Manual in a place where you can quickly access
it at any time.
Seiko Instruments Inc.
Dec. 2001
Copyright 2001 Seiko Instruments Inc. All rights reserved. Printed in Japan.
STP-H600/H1000 Series Instruction Manual
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SAFETY PRECAUTIONS
The Safety Precautions in this Manual constitute guidelines to protect operat ors, t he STP pump
and its peripheral equipment.
To avoid personal injury and prevent product and/or peripheral equipment damage, observe the
Safety Precautions as well as the general safety rules (y our count ry’s laws, regulations, safety
standards and so on).
If the equipment is used in a manner not specified by the Seiko Instruments, the protection
provided by the equipment may be impaired.
Symbols
◇ The following symbols are used in this manual:
WARNIN
Death or Serious Personal Injury
Failure to follow the guidelines marked with this symbol may result in death or serious
personal injury.
TI
Minor Personal Injury, Product and/or Peripheral equipment Damage
Failure to follow the guidelines marked with this symbol may result in minor personal
injury, product and/or peripheral equipment damage.
N
NOTICE
Items you must follow during operation and maintenance.
◇ Symbols as Marked on the Equipment
ATTENTION : refer to this manual.
Seiko Instruments cannot perfectly anticipate circumstances of all of hazards or problems. The
scope of anticipation is limited to the precautions included in the
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specified in this manual.
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1
WARNIN
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STP-H600/H1000 Series Instruction Manual
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WARNIN
◇ Check the properties of the gas to be used, referring to the Material Safety Data Sheet
(MSDS) you obtain from the gas supplier. Follow any and all safety precautions and/ or
recommendations instructed by the gas supplier.
Take appropriate measures specified in the MSDS to prevent a problem if you use any
corrosive, reactive, flammable or other system gas. Dilute the pumped gas with a monitored
inert gas if necessary. Take appropriate measures so as not to cause a problem due to the
pumped gas
◇ The STP pump is provided with a high-speed rotor. Secure the STP pump according to the
specified method. Failure to do so may lead to serious personal injury, product and/or
peripheral equipment damage if any abnormality/error occurs in the rotor.
◇ The STP pump operates at high temperatures while the baking heater is in operation.
NEVER touch the STP pump and its peripheral equipment while the baking heater is in
operation.
Operators can burn hands.
◇ Always exhaust residual gases thoroughly from the STP pump when removing the STP
pump from the vacuum equipment. Residual gases in the STP pump may cause an
accident which, for certain gases, may involve serious injury or deat h.
Confirm the characteristics of the gas to be used, referring to the Material Safety Data Sheet
(MSDS) you obtain from the gas supplier. Wear personal protective equipment if
necessary.
◇ When covering the battery case, be sure not to catch the battery cable in the battery case.
Failure to do so may short-circuit the battery and result in a leakage, production of fire or
explosion.
◇ NEVER throw the battery into fire nor heat it.
Failure to do so may result in an explosion, production of fire and/or serious personal injury.
Observe the instructions given by t he bat t ery maker, the national and/or local government
when disposing of the battery.
◇ Exhaust residual gas thoroughly when disposing of the STP pump. If the STP pump is
used for any toxic or reactive gas, always clean the STP pump and dispose of it as industrial
waste in accordance with guidelines given by the national and/ or local government.
Residual gas in the STP pump may cause an accident which, for certain gases, may involv e
serious injury or death.
◇ Always remove the battery from the STP control unit when disposing of it . Failure t o do so
may result in fire or other accident.
2
STP-H600/H1000 Series Instruction Manual
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◇ NEVER use any gas that is not specified as usable in this Manual. The use of such gas
may corrode the STP pump and damage it.
◇ A hazardous live voltage may exist at connect or/ terminal that marked .
DO NOT touch the terminal. Doing so may result in electric shock.
When operating connection/disconnection to terminal, always power OFF the STP pump
(Switch the breaker “OFF”).
◇ Always check the STP pump has stopped, then turn OFF the primary power (sw itch t he
breaker “OFF”) before proceeding to any of the following operations. Failure to do so may
cause the STP pump to rotate accidentally, which may injure operators seriously or result in
electric shock.
· Connect or disconnect cables;
· Connect an external battery;
· Perform maintenance and inspections such as replacement of the internal battery
and/or fuses as well as inspections of deposit and/or the air cooling fan (when replacing
fuses, always disconnect the internal battery connector);
· Perform investigations into probable causes and action/measures taken in the event of
occurrence of a problem; or
· Open and close the STP control unit front panel (hereinafter referred to as the front
panel) in order to check or reset the "BATTERY NG" (hereinafter referred to as
"BATTERY NG") lamp.
◇ The STP pump and the STP control unit are heavy products. Alway s use a crane or the
like when lifting them. When lifting the STP pump by hands for unavoidable reasons, it
must always be lifted by two or more people. Failure to do so may damage their hipbone or
injure them due to occurrence of an accident such as fall.
◇ Install the STP control unit not only by fitt ing it with the front panel fitting screws but also by
supporting it from the bottom side. Fitting the STP control unit with t he screw s only cannot
sustain its weight, and therefore resulting in product damage.
◇ Always use the STP pump, STP control unit and STP connection cables of the same model
name, serial number and cable length, which are specified on their own name plate.
Failure to do so may result in product damage. If you use units with the same model name
but different serial number and cable length; they must be adjusted. If the model names
are different, they may not be used even when performing adjustment. In both cases,
contact Seiko Instruments.
◇ Use the STP connection cable and the motor connection cable that have a label affixed
STP-H600/H1000
Series
The use of different cables may result in product damage.
◇ Connect the cables securely. NEVER bend nor place heavy objects on the cable. Doing
so may result in electric shock or product damage.
◇ Always use the power voltage specified on the name plate for the primary power voltage of
the STP control unit. Wire the power cable securely. Incorrect wiring may result in electric
shock or product damage.
◇ NEVER remove the splinter shield from the STP pump. Doing so may result in product
damage.
.
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STP-H600/H1000 Series Instruction Manual
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◇ DO NOT put foreign objects into the STP pump. Doing so may result in product damage.
◇ NEVER turn OFF the primary pow er ( DO NO T switch the breaker “OFF”) while the STP
pump is rotating. Doing so may result in product damage.
◇ Perform investigations into probable causes and remove them before restarting the STP
pump in the event of occurrence of a problem. The use of the abnormal STP pump may
result in product damage.
◇ Always replace batteries once a year. Failure to do so, t he bat t ery backup operation may
not run at the power failure.
◇ DO NOT connect internal batteries and external batt eries simultaneously. Failure to do so
may result in product damage.
◇ DO NOT move the STP pump and the STP control unit while the STP pump is in operation.
Doing so may result in product damage.
4
STP-H600/H1000 Series Instruction Manual
INTRODUCTION
Thank you very much for purchasing Seiko Instruments’s turbomolecular pump. The
turbomolecular pump is designed to be installed in the vacuum equipment in to exhaust
gases from it.
This manual covers all items necessary to ensure safe installation, operation and
maintenance of the following series of the STP-H600/H1000 turbomolecular pump:
Model Name Specification
· STP-H600 High-throughput type
· STP-H1000 High-throughput type
· STP-H600C High-throughput type, chemical specific
· STP-H1000C High-throughput type, chemical specific
For the specifications of other models of the STP-H600/H1000 pump series, contact Seiko
Instruments.
In this manual, the above STP pump series is collectively referred to as the “STP pump.”
*1
APPLIED STANDARDS
The STP pump conforms to the following directives and standards:
◇ Applied Directives
· EC Machinery Directive
· EC Electromagnetic Compatibility Direct ive
· EC Low Voltage Directive
◇ Applied Standards
· EN292-1
· EN292-2
· EN60204-1
· EN55011 (class A)
· EN50082-2
◇ Applied Standards (Only a some model)
· UL3101-1,1993 (Electrical Equipment for Laboratory Use; Part 1 : General
Requirements)
*2
*1
Chemical specif i c: STP pump with anti-corrosive t reat ment (responding to chlorine, fluori ne or other system gases)
*2
Contact Seiko Instruments about recognized model.
5
STP-H600/H1000 Series Instruction Manual
PRECAUTIONS
1) No part of this manual may be reproduced in any form by any means without prior
written permission from Seiko Instruments.
2) Seiko Instruments pursues a policy of continuing improvement in design and
performance of this product. The right is, therefore, reserved to vary specifications and
design without notice. Understand that the product you purchased and its contents
including specifications described in this manual may differ.
REQUEST
If you find inaccuracies or errors in this manual, advise your nearest sales representative
office of Seiko Instruments or the following sections of them:
Seiko Instruments Inc.
Sales Office (Japan)
Seiko Instruments Inc. Vacuum Innovative Products Sales Department
1-8 Nakase, Mihama-ku, Chiba-shi, Chiba 261-8507 JAPAN
Domestic 043-211-1401
International + 81-43-211-1401
Facsimile: Domestic 043-211-8075
International + 81-43-211-8075
Manufacturer, Sales Office (Japan)
Seiko Instruments Inc. Vacuum Innovative Products Division
4-3-1 Yashiki, Narashino-shi, Chiba 275-0004 JAPAN
Telephone: <Vacuum Innovative Products Service Section, Direct>
Domestic 047-475-3123
International +81-47-475-3123
<Company main>
Domestic 047-475-3111
International +81-47-475-3111
Facsimile: Domestic 047-471-1544
International +81-47-471-1544
Copyright 2001 Seiko Instruments Inc. All rights reserved.
Vacuum Innovative Products Sales Department
1-8 Nakase, Mihama-ku, Chiba 261, Japan
Telephone: + 81-43-211-1401(Direct)
Facsimile: + 81-43-211-8075
6
STP-H600/H1000 Series Instruction Manual
LIMITED WARRANTY
This WARRANTY applies to the customer to whom Seiko Instruments has delivered this
product.
1. WARRANTY PERIOD:
Seiko Instruments warrants this product against defects for a period of
two (2) years from the date of delivery or during the period specified in
the agreement made by and between the customer and Seiko
Instruments.
2. ITEM WARRANTED:
1) This warranty applies only to the product delivered from Seiko
Instruments to the customer.
2) If any defect is found during this period, Seiko Instruments will, at
its option, repair or recondition the product free of charge. The
costs for repair or replacement of the product after the warranty
period has passed will be at the customer's own charge.
3. DISCLAIMER:
Seiko Instruments makes no warranty with respect to any damage occurred
due to any of the following during the warranty period:
1) Handling, operation or maintenance other than that specified herein;
2) Failure to follow any of the warnings or cautions enumerated under
or ;
3) Installation, operation or maintenance using parts which are not
specified by Seiko Instruments;
4) Maintenance personnel other than those authorized by Seiko
Instruments or its specified plant have disassembled, reconditioned, or
tampered the product;
5) Defect resulting from the not-specified use of the product;
6) When the product is used under special conditions without obtaining
the written consent of Seiko Instruments (Particular gases, strong
magnetic field and the radiation are added to the product.);
7) Defect resulting from deposit;
8) Water cooling system defect resulting from water quality used;
9) Defect resulting from the installation of the product (Exclude the
installation by authorized personnel.);
10) Deterioration in the external because of use (Discoloration, scratches
and so forth);
11) Product damage occurred during transport or other factors not
attributable to Seiko Instruments;
12) Product breakage or damage due to natural disasters, fire or other
external factors;
13) Deterioration in the basic performance due to the use of the product
beyond limits of the use;
14) Any direct, incidental or consequential damage resulting from the use
of the product;
15) When continuously operated without overhaul after the WARNING
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STP-H600/H1000 Series Instruction Manual
indication (“WARNING” message) on the LCD display;
16) Overhaul and replacement of maintenance parts;
4. SPARE PARTS: ● Fuse and air cooling fan for control unit
● Touch down bearing
● Heater
8
STP-H600/H1000 Series Instruction Manual
TABLE OF CONTENTS
SAFETY PRECAUTION
INTRODUCTION
LIMITED WARRANTY
1 Precautions for Safe Operation of the STP Pump..................................... 1-1
Figure 16.2 External Appearance of the STP Control Unit.................................................... 16-6
Figure 16.3 Label Affixing Positions for the STP Pump......................................................... 16-7
Figure 16.4 Label Affixing Positions for the STP Control Unit ............................................... 16-8
Figure 16.4 Label Affixing Positions for the Special Accessory............................................. 16-9
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STP-H600/H1000 Series Instruction Manual
1 Precautions for Safe Operation of the STP Pump
1.1 Usable Gases
Chlorine or fluorine system gases can be used in chemical specific pumps (STPH600C/H1000C or other models). When you use gases including alkaline metals, but
excluding Li, gases including Ga, Hg, In, or Sn, or HBr, contact Seiko Seiki.
WARNING
◇ Check the properties of the gas to be used, referring to the Material Safety Data
Sheet (MSDS) you obtain from the gas supplier. Follow any and all safety
precautions and/or recommendations instructed by the gas supplier.
Take appropriate measures specified in the MSDS to prevent a problem if you
use any corrosive, reactive, flammable or other system gas. Dilute the pumped
gas with a monitored inert gas if necessary. Take appropriate measures so as
not to cause a problem due to the pumped gas
CAUTION
◇ NEVER use corrosive gases (chlorine, fluorine, or other system gases) in the
STP-H600/STP-H1000 pump or other models without anti-corrosion treatment.
◇ Introduce a dry N
using reactive or corrosive gases.
gas (purge gas) to protect the inside of the STP pump when
2
◇ Cool the STP pump to within the operating pressure range to prevent the STP
pump from overheating when sucking gases.
1.2 Maintenance Precautions
Perform any maintenance of the STP pump and the STP control unit (battery replacement,
fuse replacement), following Section 12, "Maintenance and Inspection".
CAUTION
◇ Always turn OFF the primary power (switch the breaker "OFF") before
performing any maintenance.
◇ Disconnect internal battery connector before performing maintenance of the STP
control unit.
◇ NEVER touch any portions other than those designated when performing
maintenance.
Careless touch may cause electric shock and/or a short-circuiting of the internal
circuit, resulting in product damage or a problem.
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STP-H600/H1000 Series Instruction Manual
1.3 Inspection Precautions
Perform inspections of the STP pump and the STP control unit (check of the air cooling fan
and reset of the "BATTERY NG" lamp), following Section 12, "Maintenance and Inspection"
When performing inspections (check of the air cooling fan and reset of the "BATTERY NG"
lamp), always turn OFF the primary power (switch the breaker "OFF") before opening the
front panel, then turn ON the primary power again (switch the breaker "ON").
CAUTION
◇ NEVER touch any portions other than those designated when performing
inspections.
Careless touch may cause electric shock and/or a short-circuiting of the internal
circuit, resulting in product damage or a problem.
1.4 Labels
The following labels are affixed to the STP pump and STP control unit.
Read the contents of the labels before operation. For the positions of the labels, see Figures
“Label Affixing Positions”.
(1) STP Pump Caution Label
This label describes precautions for operating the STP pump.
Follow these precautions.
(2) STP Control Unit Caution Label
This label describes precautions for operating the STP control unit.
Follow these precautions.
1-2
STP-H600/H1000 Series Instruction Manual
(3) Heavy Product Caution Label
This label is affixed to the product with a mass of 20 kg or more.
Follow the precautions of Section 2, "Unpacking" so as not to cause any accident during
handling.
(4) STP Pump Installation Warning Label
This label describes installation of the STP pump.
Install the STP pump according to the precautions of Section 3, "Installation of the STP
Pump. "
(5) Emergency Vent. Valve Caution Label
This label describes the emergency vent. valve installation position.
Connect the emergency vent. valve before use.
1-3
STP-H600/H1000 Series Instruction Manual
(6) Connector Caution Label
◇ This label describes lock of the connector.
◇ This label instructs operators to prevent the connectors from being disconnected while
the STP pump is in operation.
(7) STP Control Unit Safety Instruction Label
This label describes instructions before operating the STP control unit.
(8) High Voltage Device Caution Label
The STP control unit is equipped with a high voltage device. This label warns operators to
pay attention to the high voltage device.
1-4
STP-H600/H1000 Series Instruction Manual
(9) Battery Instruction Label
This label instructs operators to replace batteries once a year.
The next replacement date of batteries is specified upon delivery of the STP pump.
Record the next replacement date (after one year) of batteries in the blank of the label when
replacing them.
This label describes precautions for use of external batteries.
(10) Rotational Direction Instruction Label
This label describes the rotational direction of the STP pump.
The STP pump rotates in this direction.
ROTATION
(11) Voltage Rating Label
This label describes the rated voltage of the STP control unit.
Use voltage specified in this label.
200〜240V
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STP-H600/H1000 Series Instruction Manual
(12) Hot Surface Warning Label
This label instructs operators so as not to touch the hot surface of the STP pump.
The use of the baking heater (optional accessory) may lead to a considerable rise in
temperatures outside the STP pump.
This label warns operators so as not to burn hands.
(only when using the baking heater.)
(13) Tuning Caution Label
This label describes precautions for performing the tuning.
Tuning should be performed by Seiko Seiki trained or authorized personnel only.
Check the following before unpacking the STP pump.
1) Check the package for bruises, breakage, wetness, etc.
If there is any abnormality/error or it is judged necessary to return the product, contact
Seiko Seiki.
2) Check the contents of the package.
See Section 16.3, "Accessories."
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◇ The mass of the STP pump is approx. 30 kg. Use a crane or other appropriate
means to lift the STP pump.
Lift the STP pump with an eyebolt or a similar tool that uses the fitting hole
attached to the inlet port flange.
Lift it with the aid of a suspension tool under the base when installing the STP
pump without fitting hole.
◇ Observe national laws/regulations, safety standards and so on when lifting the
STP pump.
◇ Use a crane or other appropriate means sufficient enough to withstand the load
when lifting the STP pump.
◇ Always lift the STP pump in stable places free of excessive shock or vibration to
prevent it from shaking or dropping.
◇ Have at least two people lift the STP pump when doing so by hand.
NOTICE
◇ Be careful not to scratch the flange of the STP pump.
Before installing the STP pump, check whether or not there are scratches on the
surface.
◇ It is recommended to keep the packaging materials, such as the corrugated
fiberboard container and cushioning material for possible reuse.
Figure 2.1 Example of Lifting the STP Pump
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STP-H600/H1000 Series Instruction Manual
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2.2 Unpacking the STP Control Unit
Check the following before unpacking the STP control unit.
1) Check the package for bruises, breakage, wetness, etc.
If there is any abnormality/error or it is judged necessary to return the product, contact
Seiko Seiki.
2) Check the contents of the package.
See Section 16.3, "Accessories."
TI
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◇ The mass of the STP control unit is approx. 40 kg. Use a crane or appropriate
means to lift the STP control unit.
Lift the STP control unit using the two handles attached to t he front panel.
◇ Observe national laws/regulations, safety standards and so on when lifting the
STP control unit.
◇ Use a crane or appropriate means sufficient enough to withstand the load when
lifting the STP control unit.
◇ Always lift the STP control unit in stable places free of excessive shock or
vibration to prevent it from shaking or dropping.
◇ Have at least two people lift the STP control unit w hen doing so by hand.
NOTICE
◇ It is recommended to keep the packaging materials, such as the corrugated
fiberboard container and cushioning material for possible reuse.
2-2
3 Installation of the STP pump
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3.1 Name and Function of Each Part
(1) Inlet Port Flange (ICF
l Connected to the vacuum equipment (at the high vacuum side).
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◇ A splinter shield is attached to the inlet port flange to prevent foreign particles
from falling into the STP pump.
NEVER remove it.
*1
, VG
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*2
, ASA, ISO, etc.)
STP-H600/H1000 Series Instruction Manual
(2) Outlet Port Flange (KF
l Connected to the inlet port side of the auxiliary pump.
(3) STP Connector (41 pins)
l Connected to the STP connection cable.
(4) Motor Connector (5 pins)
l Connected to the motor connection cable.
(5) Purge Port (KF
l Introduces a purge gas.
In order to protect the inside of the STP pump when sucking reactive or
corrosive gases.
The STP pump is delivered with a blank flange attached to this port.
(6) Cooling Water Port (PT
l Connected to the STP pump cooling water pipe.
This port is used when water cooling the STP pump.
(7) Emerge ncy Vent. Valve
l Protects the STP pump.
It functions immediately after any abnormality/error occurs inside the STP
pump.
(8) Ground Terminal
l
Used for grounding.
Connect the ground cable between this terminal and the ground terminal of the
STP control unit .
*2
10)
*2
*2
40)
(R/C)1/4 Female Screw)
The ground terminal is marked with label
(9) Temperature Sensor Connector (optional accessory)
l A temperature sensor is attached.
For use with the Temperature Management System (TMS) unit only.
.
*1
: JVIS
*2
: JIS
3-1
(1) Inlet Port Flange
(9) Temperature Sensor
Connector
Optional Accessory
STP-H600/H1000 Series Instruction Manual
(6) Cooling Water Port
(3) STP Connector
(4) Motor Connector
(8) Ground Terminal
(2) Outlet Port Flange
(6) Cooling Water Port
(5)PurgePort(7)EmergencyVent.Valve
Figure 3.1 Configuration of the STP Pump
3-2
3.2 Precautions Before Installation
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STP-H600/H1000 Series Instruction Manual
3.2.1 Operating Environment
TI
◇ Chlorine or fluorine system gases can be used in chemical specific pumps (type
C). When you use gases including alkaline metals, but excluding Li, gases
including Ga, Hg, Sn, or HBr, contact Seiko Instruments.
◇ NEVER use corrosive gases (chlorine, fluorine, or ot her system gases) in the
STP-H600/STP-H1000 pump or other models without anti-corrosion treatment
(see Section 1.1, "Usable Gases").
Install the STP pump in a place meeting the following requirements:
Ambient Temperature 0 to 40 °C
Ambient Relative Humidity 30 to 95 % (no dew condensing)
Environment l A place free of externally-applied mechanical shock.
STP Pump Installation
Equipment Conditions
N
l A place free of a heat source
(Keep clean of the heat source or attach a thermal
shield plate).
l A place free of a strong magnetic field
(Range: up to 15mT (150G) in the axial direction,
and up to 3mT (30G) in the radial direction with
respect to the rotational axis of the STP pump).
l A place free of a strong electric field.
l A place free of exposure to radiation.
l No discharge of high voltage (more than 500 V)
(If more than 500 V is discharged, contact Seiko
Instruments).
l Install the STP pump securely so that foreign
particles will easily fall into the STP pump (Ex. : Si
wafers or samples are positioned above the STP
pump) (To prevent foreign particles from falling int o
the STP pump, design a shield plate with large
conductance).
3-3
STP-H600/H1000 Series Instruction Manual
3.2.2 Installation Area
Leave enough space for the following in addition to that for the STP pump:
· Space for maintenance and inspection
· Space for connecting cables
◇ The minimum bending radius of the STP connection cable is 150 mm (see
Figure 16.1, "External Appearance of the STP Pump" [bending dimensions of
the STP connection cable]).
DO NOT excessively bend the cables and beware of any obst acles when
installing the STP pump.
Also, leave enough space to install other cables without bending them
excessively.
3.2.3 Bench
A bench must be prepared by the customer to secure the STP pump. The shape
and size of the bench differ de pe nding upo n t he t ype of STP pump. Follow the
precautions of the WARNING, CAUTION, or NOTICE (See Section 3.3.3, "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 3.3.3 “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.
Use fitting bolts with a strength equal to or higher than SUS 304
strength class
*1
: 50 or more as a target)
*1
. (Tensile
◇ The screw hole for leg for securing the STP pump is M12
*1
, and the depth is
24mm (8 positions).
For the external appearance of the STP pump, see Figure 16.1, "External
Appearance of the STP Pump."
*1
:JIS
3-4
STP-H600/H1000 Series Instruction Manual
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3.3 How to Install the STP Pump
Install the STP pump to the vacuum equipment as shown in Figure 3.2.
The STP pump can be
installed through the damper
(optional accessory).
To Power Supply
STP
Control Unit
Front Panel
Figure 3.2 Installation of the STP Pump to the Vacuum Equipment
Vacuu m Equipment
Power Cable
Emergency
Vent. Valve Cable
STP Connection Cable
Motor Connection Cable
Ground Cable
Remote Cable
To Vacuum Equipment Control Circuit
Emergency
Vent.Valve
Inlet Port
STP Pump
Inlet Port Flange
Vacuum Valve
Dry Pump,etc.
Aux ilia ry
Pump
Outlet Port
Leg
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◇ Chlorine or fluorine system gases can be used in chemical specific pumps (type
C). When you use gases including alkaline metals, but excluding Li, gases
including Ga, Hg, In, or Sn, or HBr, contact Seiko Instruments.
◇ NEVER use corrosive gases (chlorine, fluorine, or ot her system gases) in the
STP-H600/H1000 pump or other models without anti-corrosion treatment (see
Section 1.1, "Usable Gases").
◇ When you use the STP pump in a place subjected to exposure to radiation,
contact Seiko Instruments.
◇ DO NOT open the STP pump through the flange to atmospheric air while the
STP pump is running.
If atmospheric air flows into the STP pump, it may not function normally.
◇ Depending upon the type of the auxiliary pump used, atmospher ic air may
reverse flow into the STP pump when t he auxiliar y pump stops. Attach a
vacuum valve to the middle of the piping between the STP pump outlet port
flange and the auxiliary pump, and close the vacuum v alve when the auxiliary
pump stops.
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STP-H600/H1000 Series Instruction Manual
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NOTICE
◇ The STP pump cannot be used with the outlet port open to atmospheric air.
Always use the auxiliary pump (dry pump or similar one).
◇ Use an auxiliary pump with a pumping speed of 240 L/min or more.
◇ Depending upon the type of the auxiliary pump used, oil vapor may contaminate
the inside of the STP pump. Some oil viscosity could cause a malfunction
when there is a strong reverse flow of oil.
Take the following measures to ensure the correct flow of oil:
· Attach a vacuum valve to the middle of the piping betw een t he STP pump
outlet port flange and the auxiliary pump.
· Attach an absorption trap adjacent to the vacuum v alve.
3.3.1 Cleaning the Seal
Inspect the seals of inlet and outlet port flanges for dirt or oil spots befo re inst alling
the STP pump in the vacuum equipment.
Take the following measures for cleaning the seals:
· Clean off with a pure gas.
· Wipe with proper solvent (such as alcohol).
◇ A splinter shield is attached to the inlet port flange to prevent foreign particles
from falling into the STP pump.
Always leave the splinter shield attached during operat ion.
TI
N
NOTICE
◇ The splinter shield cannot perfectly prev ent foreign materials from falling into the
STP pump.
DO NOT install the STP pump in such a manner that foreign materials can
easily fall into it (for example, Si wafers or samples are positioned above the
STP pump). If installing the STP pump in such a manner, always attach a
shield plate with sufficient conductance above the STP pump to prevent foreign
materials from falling into it. Foreign materials falling into the STP pump
through the splinter shield may result in product damage.
◇ Be careful not to scratch the flange of the STP pump.
Check whether or not there are scratches on the surface, before installing the
STP pump.
3-6
STP-H600/H1000 Series Instruction Manual
3.3.2 STP Pump Installation Positions
The STP pump can be installed vertically, horizontally, upside-down and slanted.
Upside-down
Horizontal
STP Pump
Slante d
Vertical
Figure 3.3 STP Pump Installation Positions
When installing the STP pump in a horizontal or slanted position, it is
recommended to install it so that the direction of the outlet port is on a vertical or
horizontal plane in the direction of the gravity.
This makes it possible to reduce the load on the magnetic bearing and the heat
generated by the STP pump.
Outlet Port
Outlet Port
Outlet Port
Direction of Gravity
Figure 3.4 Positions of the Outlet Port on the Horizontally or Slanted Installed STP Pump
Outlet Port
3-7
3.3.3 How to Secure the STP Pump
Y
◇ The STP pump is provided with a high-speed rotor. The worst-case failure may
result in a jump in rotational torque leading to personal injury or peripheral
equipment damage.
The method of securing the STP pump will depend on the installation
requirements. Secure the STP pump to the vacuum equipment as follows:
◇ Design and secure the mounting for the STP pump so that it can withstand the
maximum rotational torque. Refer to
STP-H600/H1000 Series Instruction Manual
Table 3.2 for torque in pump abnormality.
No
Secure the inlet port
Damper
with bolts
with Claw Clamps
Refer to “1) When se curing the
inlet port with bolts”
Refer to “2) When se curing the
inlet port flange wi th claw
clamps”
es
Refer to “3) When installing the
damper in the inlet port flange”
◇ In some cases, the damper and the claw clamper securing cannot be used
depend on the type of the STP pump.
◇ Refer to Table 3.1 for tightening torque of the bolt.
Table 3.1 Tightening torque of bolt
Size of bolt Tightening torque of bolt (Nm)
M8 12.0
M10 24.1
M12 42.1
◇ When making the leg to secure the base, make them shortened more than ones
attached to the STP pump.
Use a material that has atensile strength of 600N/mm
2
or more.
◇ When securing the base, use stainless steel securing bolts with a tensile
strength class is 70 or more.
◇ When using any securing method other than that specified in this manual,
contact Seiko Instruments.
3-8
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