Brooks | 8200 | Specifications | Brooks 8200 Specifications

Brooks Automation
CTI-Cryogenics
8200 Compressor
Installation, Operation, and
Service Instructions
Brooks Automation
Revision 108
8040353
8200 Compressor
Installation, Operation, and Service Instructions
Information provided within this document is subject to change without notice, and although believed to be
accurate, Brooks Automation assumes no responsibility for any errors, omissions, or inaccuracies.
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© Brooks Automation 2005, All Rights Reserved. The information included in this manual is Brooks Proprietary
Information and is provided for the use of Brooks customers only and cannot be used for distribution, reproduction, or sale without the expressed written permission of Brooks Automation. This information may be incorporated into the user’s documentation, however any changes made by the user to this information is the
responsibility of the user.
Brooks Automation
15 Elizabeth Drive
Chelmsford, MA 01824
Phone +1 (978) 262-2400
Fax +1 (978) 262-2500
For emergencies, contact Technical Support +1 (978) 262-2900
www.brooks.com
March 19, 2007 Revision 108 part number 8040353 Per ECO #18029; Alison Dann
This manual is available in the following formats: CD, Paper, Cleanroom.
This manual is available in the following languages: English.
This technology is subject to United States export Administration Regulations and authorized to the destination
only; diversion contrary to U.S. law is prohibited.
Printed in the U.S.A.
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Contents
Contents
Introduction
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
Installation, Operation and Servicing Instructions . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
Safety
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
Signal Word Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
Safety Shape Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
Inspection
The Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
Installation
Compressor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Preparing the Compressor Input-Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Final Preparation of Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
Connecting the Compressor to the Cold Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
Maintenance Procedures
Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
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Contents
8200 Compressor
Installation, Operation, and Service Instructions
Unscheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
Helium Circuit Decontamination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9
Appendices
Appendix A: Customer Support Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Appendix B: Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3
Appendix C: Electrical Schematics for 8200 Compressor . . . . . . . . . . . . . . . . . . . .6-7
Appendix D: Components in the Electrical Control Module of the 8200 Compressor
6-10
Appendix E: Flow Diagrams for 8200 Air-Cooled and Water-Cooled Compressors612
Appendix F: Additional Cooling Water Quality Parameters . . . . . . . . . . . . . . . . .6-15
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Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Figures
Figures
1-1
1-2
Air and Water Cooled 8200 Compressor Dimensions . . . . . . . . . . . . . . . . .1-3
Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
4-1
4-2
4-3
4-4
4-5
Electrical Terminal Enclosure with Cover in Place. . . . . . . . . . . . . . . . . . . .4-4
Assembly of Conductors to Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . .4-4
8200 Compressor Cooling Water Flow and Pressure Requirements . . . . .4-7
8200 Compressor Water Cooling Requirements . . . . . . . . . . . . . . . . . . . . . .4-7
Typical 8200 Compressor Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
5-1
5-2
5-3
Adjusting the Self-Sealing Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Disconnecting/Connecting the Adsorber Self-Sealing Coupling. . . . . . . .5-3
Removing the Adsorber from the Compressor . . . . . . . . . . . . . . . . . . . . . .5-4
6-1
8200 Compressor Electrical Schematic part number 8032563P001 . . . . . .6-8
6-2
8200 Compressor Electrical Schematic part number 8032564P001 . . . . . .6-9
6-3
Components in the Electrical Control Chassis of the 8200 Compressor
Three-Phase Scott-T Configuration6-10
6-4
Components in the Electrical Control Chassis of the 8200 Compressor
Single-Phase RC Configuration6-11
6-5
Flow Diagram of the 8200 (Air-Cooled) Compressor . . . . . . . . . . . . . . . . .6-13
6-6
Flow Diagram of the 8200 (Water-Cooled) Compressor. . . . . . . . . . . . . . .6-14
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Figures
8200 Compressor
Installation, Operation, and Service Instructions
This Page Intentionally Left Blank
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Installation, Operation, and Service Instructions
Tables
Tables
1-1
1-2
Power Requirements (Steady-State Conditions) . . . . . . . . . . . . . . . . . . . . . .1-5
General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
2-1
2-2
Safety Signal Words. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
Safety Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
4-1
Cooling Water Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
6-1
6-2
Compressor Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3
Additional Cooling Water Quality Parameters . . . . . . . . . . . . . . . . . . . . . . .6-15
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Tables
8200 Compressor
Installation, Operation, and Service Instructions
This Page Intentionally Left Blank
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Brooks Automation
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8200 Compressor
Installation, Operation, and Service Instructions
1
Introduction
Overview
This chapter describes this manual and the compressor, including specifications.
Chapter Contents
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
Installation, Operation and Servicing Instructions . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
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Introduction
General
8200 Compressor
Installation, Operation, and Service Instructions
General
The manual provides instructions for installing, operating and servicing the 8200
Compressor. This compressor is available in two versions: air-cooled, part number
8032549G001/G002 and water cooled, part number 803255G001/G002.
If you are installing or operating a Cryo-Torr or On-Board System you should also
have available the appropriate cryopump or refrigerator.
When you purchase a system, you will receive two manuals necessary for system
installation.
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Introduction
Installation, Operation, and Service InstructionsInstallation, Operation and Servicing In-
Installation, Operation and Servicing Instructions
Installation, Operation and Servicing Instructions for your 8200 Compressor provide
easily accessible information. All personnel with installation, operation, and servicing
responsibilities should become familiar with the contents of these instructions to
ensure high quality, safe, reliable performance.
Air Cooled
Water Cooled
Figure 1-1: Air and Water Cooled 8200 Compressor Dimensions
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Introduction
8200 Compressor
Installation, Operation and Servicing InstructionsInstallation, Operation, and Service In-
1
2
3
4
5
6
7
8
9
10
11
12
Rear View - Water Cooled
Rear View - Air Cooled
13
14
15
16
17
18
Front View - Air and Water Cooled
1. Compressor Input Power Block
LEGEND
10. Cooling Water Output
2. Cold Head Power Receptacle
11. Cooling Water Input
3. On-Board Power Receptacle
12. Rear Plate
4. Helium Gas Fitting and Charge Valve
13. 50/60 Hz Frequency Selector Switch
5. Helium Supply Pressure Gauge
14. 208/220 Voltage Range Selector Switch
6. Helium Gas Return Connector
15. Resettable Circuit Breakers
Figure 1-2: Component Locations
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Introduction
Installation, Operation, and Service InstructionsInstallation, Operation and Servicing In-
Table 1-1: Power Requirements (Steady-State Conditions)
Part Number
Cooling
Phase
Hz
Operating
Voltage
Range
Nominal
Operating
Current
Rated Full
Load / Locked
Current
8032549G001
Air
Air
3
3
50
60
180-220
198-250
10A
10A
12/30A
8032549G002
Air
Air
1
1
50
60
180-220
198-250
10A
10A
12/30A
8032550G001
Water
Water
3
3
50
60
180-220
198-250
8.5A
8.5A
12/30A
8032550G002
Water
Water
1
1
50
60
180-220
198-250
8.5A
8.5A
12/30A
*See the nameplate on the back of the compressor for more details.
Table 1-2: General Specifications
Specification
Description
Weight
150 lbs (68 kg) max.
Weight
(shipping)
155 lbs (70 kg) max.
Power
consumption
Compressor inputpower cable
(customer-supplied)
Helium pressure
Ambient operating
temperature range
Brooks Automation
Revision 108
2.0 kw, nominal operating(water), 2.1 kw nominal operating (air)
Recommended type SO-4 conductor, 600V, neoprene
jacket and 14-gauge wire.
Install per Appendix C: Electrical Schematics for 8200
Compressor on page 6-7, Electrical Schematic diagram,
ensuring compliance with all national, state and local
standards.
Static: 245-255 psig (1688-1757 kPa) at 70 to 80°F (21 to
27°C)
Supply: nominal operation: 270-290 psig (1860-2000 kPa)
at operating temperature.
50 to 100°F (10 to 38°C)
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Introduction
8200 Compressor
Installation, Operation and Servicing InstructionsInstallation, Operation, and Service InTable 1-2: General Specifications (Continued)
Specification
Description
Interface
Cold head power receptacle: Mates with plug on cold
head power cable.
On-Board power receptacle: Mates with plug on coldhead power cable.
Compressor input-power terminal block enclosure: Mates
with input power cable, fabricated by customer or available from CTI-Cryogenics.
Gas-supply connector: 1/2-inch self-sealing coupling
Gas-return connector: 1/2-inch self-sealing coupling
Adsorber service
schedule
Cooling water requirements (water cooled
only)
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1-6
Replace every 12 months.
100°F (38°C) maximum discharge temperature
Refer to Table 1-1 on page 1-5, Figure 1-1 on page 1-3, and
Figure 1-2 on page 1-4, for parameters.
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8200 Compressor
Installation, Operation, and Service Instructions
2
Safety
Overview
This section describes safety conventions for the Brooks Automation Product. All
personnel involved in the operation or maintenance of the product must be familiar
with the safety precautions outlined in this section.
NOTE: These safety recommendations are basic guidelines. If the facility where the Product is installed has additional safety guidelines they should be followed as well,
along with the applicable national and international safety codes.
Chapter Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
Signal Word Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
Safety Shape Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
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Safety
Introduction
8200 Compressor
Installation, Operation, and Service Instructions
Introduction
Follow all safety precautions during installation, normal operation, and when servicing CTI-Cryogenics products.
This chapter explains the safety conventions used throughout this manual. CTI-Cryogenics uses a specific format for cautions and warnings, which includes standard signal words and safety shapes.
See also the Customer Support appendix or call your local Customer Support Center for
assistance.
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8200 Compressor
Installation, Operation, and Service Instructions
Safety
Signal Word Descriptions
Signal Word Descriptions
All cautions and warnings contain signal words, which call attention to safety messages and designate the degree of hazard seriousness. The following table shows the
signal words and their meanings that may be used in this document.
Table 2-1: Safety Signal Words
Term
Example
Definition
CAUTION
A signal word that indicates a situation or unsafe practice, which if not
avoided may result in equipment
damage. A CAUTION is highlighted
in yellow.
CAUTION
A signal word accompanied by a
safety shape that indicates a potentially hazardous situation or unsafe
practice.
If not avoided, the action may result in
minor or moderate personal injury or
equipment damage. A CAUTION is
highlighted in yellow.
WARNING
A signal word accompanied by a
safety shape that indicates indicates a
potentially hazardous situation.
If not avoided, the action may result in
serious injury or death. A WARNING
is highlighted in orange.
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Safety
Safety Shape Descriptions
8200 Compressor
Installation, Operation, and Service Instructions
Safety Shape Descriptions
All cautions and warnings contain safety shapes, which have specific safety meanings. The following table shows some of the safety shapes used in this document and
their meanings.
Table 2-2: Safety Shapes
Example
Term
Shape Definition
General Warning
Indicates a general hazard. Details
about this hazard appear in the safety
notice explanation.
High Voltage
Hot Surface
Indicates a high voltage hazard.
Indicates a surface is hot enough to
cause discomfort or a burn.
References
For more information about safety standards, see the following documents:
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•
ISO 7010: 2003(E), Graphic symbols - Safety colours and safety signs - Safety
signs used in workplaces and public areas
•
ISO 3864-1: 2002(E), Graphic symbols - Safety colours and safety signs - Part 1:
Design principles for safety signs in workplaces and public areas
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3
Inspection
Overview
This chapter details unpacking the compressor.
A High-Vacuum Pump or Refrigerator System is packaged in separate cartons for
each major component. An Installation, Operation, and Servicing Manual is included
in the carton for the component packaged in that carton.
Chapter Contents
The Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
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Inspection
The Compressor
8200 Compressor
Installation, Operation, and Service Instructions
The Compressor
On receipt, remove the 8200 Compressor from its shipping carton and inspect the
compressor for evidence of damage as described in this Section.
1.
Unpack and remove the compressor from its shipping carton.
2.
Check the carton contents. It should contain:
3.
a.
8200 Compressor (air cooled or water cooled).
b.
Compressor Manual part number 8040353.
After unpacking, inspect the compressor for evidence of damage as follows:
c.
Inspect the compressor overall exterior for damage.
d.
Report damage to the shipper at once.
e.
Retain shipping cartons for storage or return shipment.
When installing your system, CTI recommends that as you unpack a component, you perform an inspection and the necessary tasks for system installation
for the component according to the manual included with the component.
Final system installation and operation will be performed following procedures in the high-vacuum pump or refrigerator manual.
4.
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Check the helium pressure gauge. The gauge should indicate 250 psig (1725
kPa) minimum at 70°F. If additional gas pressure is required, follow the
instructions in Helium Circuit Decontamination on page 5-9.
Brooks Automation
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8200 Compressor
Installation, Operation, and Service Instructions
4
Installation
Overview
This chapter provides complete installation procedures for the Brooks Automation
Product.
Chapter Contents
Compressor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Preparing the Compressor Input-Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Cooling Water Requirements (Water-Cooled Compressors Only) . . . . . .4-4
Cooling Water: General Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Cooling Water: Flow and Pressure Requirements . . . . . . . . . . . . . . . . . . . .4-6
Cooling Water: Heat Load and Temperature Rise . . . . . . . . . . . . . . . . . . . .4-7
Final Preparation of Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
Connecting the Compressor to the Cold Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
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Installation
Compressor Installation
8200 Compressor
Installation, Operation, and Service Instructions
Compressor Installation
Installation of your compressor requires no special tools other than those supplied in
the Installation and Scheduled Maintenance Tool Kit.
Preparing the Compressor Input-Power Cable
To supply input power to the 8200 compressor requires the fabrication of a 600-volt
power cable that has an SO-4 conductor, 600-volt rating neoprene jacket and 14-gauge
or 2.3 mm2 wire.
Unit must be wired by an authorized electrician in accordance with the national Electrical Code, ANSI/NFPA 70-1987, as well as the local codes. This shall include installation of a readily accessible disconnect device into the fixed wiring supplying power.
An insulated earthing conductor that is identical in size, insulation material and thickness to the earth and unearth branch circuit supply conductors, except that it is green
with or without one or more yellow stripes is to be installed as part of the branch circuit which supplies the unit or system. The earthing conductor described is to be connected to the earth at the service equipment, or supplied by a separately derived
system at the supply transformer or generator.
Proceed as follows:
High Voltage
High voltage electric shock could cause severe injury or loss of life.
Do not connect the compressor to the power source at this time.
Complete the preparation and panel reinstallation before electrically
connecting the compressor.
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4-2
1.
Prepare the input power cable by terminating each of the four conductors with
a #10 ring terminal. Follow the terminal manufacturer’s instructions to insure
proper crimping.
2.
Disassemble the electrical terminal enclosure cover, mounted on the compressor rear panel, as shown in Figure 4-1 on page 4-4. Remove the two screws
securing the cover and lift it off.
3.
If necessary, back off strain relief screws.
Brooks Automation
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8200 Compressor
Installation
Installation, Operation, and Service Instructions Preparing the Compressor Input-Power
4.
Thread input power cable end up through the strain relief into the enclosure.
5.
Attach the power conductors onto the appropriate terminals of the terminal
block.
a.
For three-phase hookups, attach the three power leads to terminals X, Y
and Z.
b.
For single-phase hookups, attach the two power leads to terminals X
and Y. DO NOT USE TERMINAL Z.
6.
Tighten all terminals to 18-22 in.-lbs. torque.
7.
Tighten down screws on strain relief.
Equipment Damage
To avoid damaging the power cable, ensure that strain relief is tightened
down on the outer insulation of the input power cable, and that the cable
does not slide.
8.
Remount the terminal enclosure cover and secure with two screws.
9.
Refer to Final Preparation of Compressor on page 4-8 for correct phasing
checkout procedure.
High Voltage
High voltage electric shock could cause severe injury or loss of life.
Ensure that the ground wire is grounded and uninterrupted.
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Installation
Preparing the Compressor Input-Power Cable
8200 Compressor
Installation, Operation, and Service In-
Cover Screws
Figure 4-1: Electrical Terminal Enclosure with Cover in Place
Y
Z (not used for single phase)
X
Ground Screw
Power Cable
Figure 4-2: Assembly of Conductors to Terminal Block
Cooling Water Requirements (Water-Cooled Compressors Only)
If flexible water hose connections are used, install the barbed fittings supplied with
the compressor on the input and output connections:
1.
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4-4
Apply a light coating of standard plumbing thread sealant on the barbed fitting
threads.
Brooks Automation
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8200 Compressor
Installation
Installation, Operation, and Service Instructions Preparing the Compressor Input-Power
2.
Tighten fittings on 1/2-inch FPT input and 1/2-inch FPT output connections.
DO NOT OVERTIGHTEN.
3.
Connect flexible hoses to the fittings and secure with hose clamps.
If hard piping is desired, install the water lines directly onto the compressor 1/
2-inch FPT input and output connections. DO NOT OVERTIGHTEN.
Equipment Damage
To avoid damaging adjacent equipment, check water connections for
leaks.
Cooling Water: General Considerations
•
Cooling water must meet flow and pressure requirements. See Cooling Water:
Flow and Pressure Requirements on page 4-6.
•
To conserve water, the shut off the cooling water when the compressor is not
running.
NOTE: If cooling water below 45°F (7°C) runs through the compressor while the compressor is not operating, the compressor oil will change viscosity and thicken, causing
the compressorto overheat and shut off at startup. In this event, repeatedly restart
the compressor, allowing it to run until it has shut off several times. The oil temperature will rise and then the compressor will run continuously.
•
Drain and purge water from the compressor before shipping it back to the factory or subjecting it to freezing conditions. Purge water from the compressor
by blowing compressed air, regulated between 30 to 40 psig (200 to 275 kPa)
into the compressor output connection, and allow water to exit from the water
input connection.
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Installation
Preparing the Compressor Input-Power Cable
8200 Compressor
Installation, Operation, and Service In-
Table 4-1: Cooling Water Specifications
Parameter
Value
Maximum Inlet Temperature
90ºF (32ºC)
Minimum Inlet Temperature
50ºF (10ºC)
Flow Rate
1.0±0.5 gpm (3.8±1.9 lpm)
Pressure Drop (inlet-to-outlet)
approximately
3.5 psig differential
Min./max. Inlet Presure
5 to 100 psi (6.9 bars)
Alkalinity
7.0 - 8.7 pH
Calcium Carbonate
<75 ppm
Resistivity
<100k Ohm - cm
NOTE: Water conditioning may be required for applications not
meeting these requirements. Additional parameters appear in
Appendix F: Additional Cooling Water Quality Parameters
on page 6-15.
Cooling Water: Flow and Pressure Requirements
Use Figure 4-1 on page 4-4 and Figure 4-4 on page 4-7 to determine the minimum
acceptable cooling water supply pressure at different flow rates and temperatures
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Brooks Automation
Revision 108
8200 Compressor
Installation
Installation, Operation, and Service Instructions Preparing the Compressor Input-Power
60
50
40
30
Allowable
Operating
Range
20
at min. water flowrate
10
0
0.25
0.50
0.75
1.00
1.50
1.75
2.00
Water Flowrate (GPM)
Figure 4-3: 8200 Compressor Cooling Water Flow and Pressure Requirements
90
85
Water Supply Temperature (ºF)
80
Allowable
Operating
Range
75
70
65
60
55
50
45
40
0.25
0.50
0.75
1.00
1.50
1.75
2.00
Water Flowrate (GPM)
Figure 4-4: 8200 Compressor Water Cooling Requirements
Cooling Water: Heat Load and Temperature Rise
Heat load to facility water is approximately 5000 Btu/hr, or 1500 Watts. With a 1.0
GPM water flow this translates to an approximate water temperature rise of 10ºF
(5.6ºC)
Brooks Automation
Revision 108
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Installation
Final Preparation of Compressor
8200 Compressor
Installation, Operation, and Service Instructions
Final Preparation of Compressor
1.
Using a voltmeter, measure the phase-to-phase voltage from the power source.
Compare this voltage to Table 4-1 and position the voltage range selector
switch to the “208V” or “220V” position as required. Also, set the frequency
selector switch to the 50 Hz or 60 Hz position, as appropriate. See Figure 1-2 on
page 1-4 for location of selector switches.
Table 4-1: Voltage Specifications
Operating Voltage Range
60 Hz
50 Hz
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4-8
Voltage
Adjustment
Switch S1 Position
198-212
180-212
208V
213-250
213-220
220V
2.
Ensure that water is turned on for the water-cooled compressor.
3.
Set the compressor ON/OFF switch (3) to OFF. Connect the input-power cable
to the power source Refer to Table 1-1 on page 1-5, for electrical power requirements.
4.
Turn the compressor switch to the ON position and allow the compressor to
run for 15 minutes to stabilize the oil circuit. Make sure that the compressor fan
operates freely in the air-cooled compressor.
5.
Switch off the compressor and disconnect the input-power cable.
6.
Install the compressor in its permanent location on a level surface. Air cooled
units must have a minimum clearance of 12 inches at the front and back for
adequate airflow.
Brooks Automation
Revision 108
8200 Compressor
Installation
Installation, Operation, and Service Instructions Connecting the Compressor to the Cold
Connecting the Compressor to the Cold Head
Make the connections between the cryopump and compressor. See Figure 4-5 on page
4-10.
1.
Remove dust plugs and caps from the supply fittings and return lines, compressor, and cold head. Check all fittings.
2.
Connect the helium-gas return line from the gas-return connector on the rear of
the compressor to the gas-return connector on the cold head.
3.
Connect the helium-gas supply line from the gas-supply connector on the rear
of the compressor to the gas-supply connector on the cold head.
4.
Attach the supply and return line identification decals (CTI-Cryogenics supplied) to their respective connecting piping ends.
5.
Verify proper helium supply static pressure by confirming that the helium
pressure gauge reads 245-250 psig (1690-1725 kPa), in an ambient temperature
range of 60 to 100°F (16 to 38°C).
NOTE: To ensure the compressor continues to perform optimally, do not run it unless it is
connected to a cryopump or waterpump.
If the indicated pressure is higher than 250 psig (1725 kPa), reduce the pressure
as follows:
a.
Remove the flare cap from the gas charge fitting located on the rear of
the compressor.
b.
Open the gas charge valve very slowly. Allow a slight amount of helium
gas to escape until the helium pressure gauge reads 250 psig (1725 kPa).
c.
Close the gas charge valve and reinstall the flare cap.
If the indicated pressure is lower than 245 psig (1690 kPa), add helium gas as
described in Helium Circuit Decontamination on page 5-9.
Brooks Automation
Revision 108
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Installation
8200 Compressor
Connecting the Compressor to the Cold HeadInstallation, Operation, and Service Instruc-
High Voltage
High voltage electric shock could cause severe injury
or loss of life.
Before you make any electrical connections, turn off
the compressor with the ON/OFF power switch on the
front of the compressor.
6.
Make the following electrical connections.
a.
Connect the cold head power cable to the rear panel of the compressor
and the other end to the electrical power connector on the high-vacuum
pump cold head.
b.
Connect the compressor input power cable to the power source.
c.
Turn on compressor.
d.
Your system is now ready for operation.
User’s
Vacuum
Chamber
On-Board
Cryopump
Helium Supply Line
Helium Return Line
On-Board Power Cable
Roughing Pump
Air Pressure (60-80 psi)
Nitrogen (40-80 psi)
Figure 4-5: Typical 8200 Compressor Installation
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Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
5
Maintenance Procedures
Overview
This chapter provides complete maintenance procedures for the Brooks Automation
Product.
Chapter Contents
Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
Unscheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
Helium Circuit Decontamination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9
Brooks Automation
Revision 108
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Maintenance Procedures
Scheduled Maintenance
8200 Compressor
Installation, Operation, and Service Instructions
Scheduled Maintenance
The only scheduled maintenance required on the 8200 Compressor is replacement of
the compressor adsorber (part number 8080255K001) every 12 months.
High Voltage
High voltage electric shock could cause severe injury or loss of life.
Always disconnect the compressor from all sources of electrical power
before performing any maintenance procedures.
Removing the Compressor Adsorber
8040353
5-2
1.
Shut down the compressor.
2.
Disconnect the compressor input power cable from its electrical power source.
3.
Disconnect the flex lines from the gas-return and gas-supply connectors at the
rear of the compressor.
4.
Remove the screws holding the compressor rear grille, rear panel, front panel
and cover (Figure 1-2 on page 1-4). Front and rear panels remain in place.
5.
Use the two wrenches (supplied) to avoid loosening the body of the coupling
from its adapter.
6.
Unscrew the two self-sealing coupling halves quickly to minimize gas leakage
as shown in Figure 5-2 on page 5-3.
7.
Disconnect the adsorber-inlet self-sealing coupling as shown in Figure 5-2 on
page 5-3.
8.
Remove the bolts, nuts, and washers that secure the adsorber to the base of the
compressor. Save all nuts, bolts, and washers for installing the replacement
adsorber.
9.
Carefully lift the adsorber inward until the outlet self-sealing coupling clears
the rear panel and remove the adsorber as shown in Figure 5-3 on page 5-4.
10.
Remove the adsorber from the compressor as shown in Figure 5-2 on page 5-3.
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Maintenance Procedures
Scheduled Maintenance
TO TIGHTEN
TURN WITH 1 3/16 INCH WRENCH
HOLD WITH 1 1/8 INCH WRENCH
HOLD WITH 1 1/8 INCH WRENCH
TURN WITH 1 3/16 INCH WRENCH
TO LOOSEN
Figure 5-1: Adjusting the Self-Sealing Connectors
Compressor
Rear Panel
This 1 1/8 in.
wrench holds the
coupling in a
stationary position.
This 1 3/16 in. wrench is
used to loosen the self
sealing coupling connector.
Note the direction of the
large arrow.
To Disconnect The Coupling
This 1 1/8 in.
wrench holds the
coupling in a
stationary position.
This 1 3/16 in. wrench is
used to tighten the self
sealing coupling
connector. Note the
direction of the large
arrow.
To Connect The Coupling
Figure 5-2: Disconnecting/Connecting the Adsorber Self-Sealing Coupling
Brooks Automation
Revision 108
8040353
5-3
Maintenance Procedures
Scheduled Maintenance
8200 Compressor
Installation, Operation, and Service Instructions
Explosive Pressure
High pressure explosions could cause severe injury and equipment
damage. Appropriately depressurize the adsorber before disposing of it.
To depressurize the adsorber, attach the depressurization fitting (included in the
Installation and Scheduled Maintenance Tool Kit) to the coupling half at either end of the
adsorber and tighten it slowly.
Compressor Base
Figure 5-3: Removing the Adsorber from the Compressor
Installing the Compressor Adsorber
1.
2.
8040353
5-4
Install the replacement adsorber as follows:
a.
Remove the dust caps from the self-sealing coupling halves at each end
of the replacement adsorber.
b.
Write installation date on the adsorber decal.
c.
Install the replacement adsorber following the steps for compressor
adsorber removal in reverse order. Use the hardware saved in Step 5 on
Page 5-2.
Connect the adsorber to the compressor internal piping. Refer to Figure 5-2 on
page 5-3.
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
a.
Maintenance Procedures
Scheduled Maintenance
Check the self-sealing connector flat rubber gasket to make sure that it
is clean and properly positioned.
Equipment Damage
To avoid damaging equipment, ensure you hold the left coupling nut
while tightening the right coupling nut, as shown in Figure 5-2 on page 53 and Figure 5-1 on page 5-3.
b.
Make the first turns by hand and then firmly seal the connection using
the two wrenches until the fittings “bottom.” Refer to Figure 5-2 on page
5-3 and Figure 5-1 on page 5-3, for proper coupling of the self-sealing
connection
3.
Replace the cover and the front and rear grilles and secure them
4.
Ensure that the pressure gauge reads 245-250 psig (1690-1725 kPa). If additional gas pressure is required, follow the instructions in Adding Helium Gas
on page 5-6.
5.
Reconnect the return and supply flex lines to the compressor.
6.
Connect the compressor input power cable to the electrical power source.
Brooks Automation
Revision 108
8040353
5-5
Maintenance Procedures
Unscheduled Maintenance
8200 Compressor
Installation, Operation, and Service Instructions
Unscheduled Maintenance
Suggested Unscheduled Maintenance Equipment
It is advisable to keep on hand the unscheduled maintenance equipment and disposable supplies listed below.
1.
Helium, 99.999% pure.
2.
Pressure regulator (0-3000/0-400 psig).
3.
Maintenance manifold, part number 8080250K003*.
4.
Helium charging line terminating in a 1/4-inch female flare fitting, part number 7021002P001.
5.
Installation and Scheduled Maintenance Tool Kit, part number 8032040G004.
*Available from stock; consult the factory or your sales representative.
Adding Helium Gas
Use only 99.999% pure helium gas.
Equipment Damage
To avoid damaging the cold head and other parts through contamination,
maintain pressure in the cold head.
If the compressor helium pressure gauge reads 0, decontamination is required. Refer
to the Helium Circuit Decontamination on page 5-9, or contact the Product Service
Department.
8040353
5-6
1.
A user-supplied helium charging line terminating in a 1/4-inch female flare fitting, and a two-stage pressure regulator rated at 0-3000/0-400 psig is required
for this operation.
2.
If you need to add helium more than once every several months, check for
leaks caused by improperly connected self-sealing connections or any mechanical joint within the compressor.
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Maintenance Procedures
Unscheduled Maintenance
There are two conditions that require the addition of helium gas:
1.
Compressor not operating; helium pressure gauge reads 245 psig or below.
2.
Compressor operating; helium pressure reads 270 psig, or below.
To add helium gas:
1.
Attach a pressure regulator (0-3000/0-400 psig) and charging line to a helium
gas (99.999% pure) bottle. DO NOT OPEN THE BOTTLE AT THIS TIME.
Purge the regulator and charging lines as instructed in steps a through e below.
Do not use helium gas that is less than 99.999% pure.
a.
Open the regulator a small amount by turning the adjusting knob clockwise until it contacts the diaphragm, then turn approximately 1/8 to
1/4 turn more, so that the regulator is barely open.
b.
Slowly open the bottle valve, and purge the regulator for 10 to 15 seconds. Turn the regulator knob counterclockwise until the helium stops
flowing.
c.
Connect the charge line to the helium pressure regulator.
d.
Remove the flare cap of the gas charge fitting on the rear of the compressor. Loosely connect the charge line to the charge fitting.
e.
Set the helium pressure regulator to 10 to 25 psig (70-125 kPa). Allow
helium gas to flow through the charging line and around the loosened
flare fitting for 30 seconds to purge the charging line of air. Then tighten
the flare nut at the end of the charge line.
(This procedure is required to ensure that both the regulator and the charging
line will be purged of air and that the air trapped in the regulator will not diffuse back into the helium bottle. For best results, CTI suggests a dedicated
helium bottle, regulator, and line, which are never separated, for adding
helium.)
2.
Set the helium pressure regulator to 300 psig (2070 kPa). Depending on the
compressor operating state, add helium gas:
a.
Brooks Automation
Revision 108
If the compressor is running (approximately 2 hours operating time)
under normal operating conditions, slowly open the helium charge
valve on the rear of the compressor. When the helium pressure gauge
rises to 270 - 290 psig (1860 - 2000 kPa) tightly close the charge valve.
8040353
5-7
Maintenance Procedures
Unscheduled Maintenance
b.
8200 Compressor
Installation, Operation, and Service Instructions
If the compressor is not running, slowly open the helium charge valve.
When the helium pressure gauge rises to 245 - 255 psig (1688 - 1757 kPa),
tightly close the charge valve.
Equipment Damage
To avoid discharging the relief valve, add helium gas slowly, less than 50
psi per second.
3.
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5-8
Ensure that the helium charge valve on the compressor is tightly closed. Shut
off the helium pressure regulator on the helium bottle and remove the charging
line from the male flare fitting. Shut off the helium gas bottle valve. Reinstall
the flare cap.
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Maintenance Procedures
Helium Circuit Decontamination
Helium Circuit Decontamination
Refer to Section 4 - Maintenance of the appropriate On-Board Cryopump Installation
Operation, and Maintenance manual for information on helium circuit decontamination.
Brooks Automation
Revision 108
8040353
5-9
Maintenance Procedures
Helium Circuit Decontamination
8200 Compressor
Installation, Operation, and Service Instructions
This Page Intentionally Left Blank
8040353
5-10
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
6
Appendices
Overview
The following appendices are included to provide the user with a single location for
specific information related to the Brooks Automation Product.
Contents
Appendix A: Customer Support Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Appendix B: Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3
Appendix C: Electrical Schematics for 8200 Compressor . . . . . . . . . . . . . . . . . . . .6-7
Appendix D: Components in the Electrical Control Module of the 8200 Compressor
6-10
Appendix E: Flow Diagrams for 8200 Air-Cooled and Water-Cooled Compressors612
Appendix F: Additional Cooling Water Quality Parameters . . . . . . . . . . . . . . . . .6-15
Brooks Automation
Revision 108
8040353
6-1
Appendices
8200 Compressor
Appendix A: Customer Support Information Installation, Operation, and Service Instruc-
Appendix A: Customer Support Information
Customer Support Center Locations
To locate a Customer Support Center near you, please visit our website
www.brooks.com on the world wide web and select CONTACT on the home page.
Guaranteed Up-Time Support (GUTS®)
For 24-hour, 7-day per week Guaranteed Up-Time Support (GUTS) dial:
1 800-367-4887 - Inside the United States of America
+1 508-337-5599 - Outside the United States of America
Product Information
Please have the following information available when calling so that we may assist
you:
•
Product Part Number
•
Product Serial Number
•
Product Application
•
Specific Problem Area
•
Hours of Operation
•
Equipment Type
•
Vacuum System Brand/Model/Date of Manufacture
E-mail
For your convenience, you may also e-mail us at:
techsupport@brooks.com
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Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Appendices
Appendix B: Troubleshooting Proce-
Appendix B: Troubleshooting Procedures
Read these safety notices before you perform any troubleshooting procedures:
High Voltage
High voltage electric shock could cause severe injury or loss of life.
Always disconnect the compressor from all sources of electrical power
before performing any maintenance or troubleshooting procedures.
Burn Hazard
To avoid being burned, wait for the pump to cool down so that it is cool to
the touch after operating, before working on the inside of the compressor.
Table 6-1: Compressor Troubleshooting Procedures
Problem
1) System power ON/
OFF switch (CB1) and
compressor switch
(S1) remains in the ON
position when
switched on but the
compressor will not
run. Refer to Figure
6-1 on page 6-8 for
identification of all
electrical components.
Brooks Automation
Revision 108
Possible Cause
Corrective Action
1a) The thermal protective
switch (TS1) is closed, activating the relay-trip coil in the
ON/OFF switch (SW1).
1a) Test switch (TS1) on aircooled compressor; test (TS1)
and (TS2) on water-cooled
compressor. If continuity is
found in any switch, contact
the Product Service Department.
1b) Incorrect phasing at input
power.
1b) Correct phase sequence at
input power cable.
1c) Excessive current drain
has activated the series trip in
the compressor ON/OFF
switch.
1c) Measure and record the
current and contact the Product Service Department.
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6-3
Appendices
Appendix B: Troubleshooting Procedures
8200 Compressor
Installation, Operation, and Service Instruc-
Table 6-1: Compressor Troubleshooting Procedures
Problem
2) System power ON/
OFF switch (CB1)
remains in the ON
position, but the compressor will not run.
8040353
6-4
Possible Cause
Corrective Action
2a) No power coming from
the power source.
2a) Check service fuses, circuit
breakers, and wiring associated with power source, and
repair as needed.
2b) Incorrect or disconnected
wiring within the compressor.
2b) Check the compressor
against its electrical schematic, Figure 6-1 on page 6-8.
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Appendices
Appendix B: Troubleshooting Proce-
Table 6-1: Compressor Troubleshooting Procedures
Problem
3) Compressor stops
after several minutes
of operation and
remains off.
Brooks Automation
Revision 108
Possible Cause
Corrective Action
3a) High temperature of the
compressor is caused by
insufficient cooling water,
resulting in the opening of
thermal protective switch
(water-cooled compressor
only).
3a) Confirm that cooling water
to the compressor is flowing.
Confirm that proper cooling
water flow rate and pressure
exist by referring to Figure 4-3
on page 4-7.
3b) After turn-off, very cold
cooling water was left running through the compressor.
The resulting low oil temperature has caused a restriction
of oil flow through the metering orifice during startup.
3b) Turn on the compressor
and allow it to run until it has
stopped several times, allowing the oil temperature to rise
and the compressor to operate
continuously for one hour
minimum.
3c) Very cold cooling water is
circulating through the compressor. The resulting low oil
temperature causes a restriction of oil flow through the
metering orifice during startup.
3c) Recheck for proper cooling
water temperature per, Cooling Water Requirements
(Water-Cooled Compressors
Only).
3d) Ambient temperature is
unusually high resulting in
the opening of the thermal
protective switch (air-cooled
compressor only).
3d) Provide a free flow of air to
the compressor. Confirm a 12inch (30 cm) clearance at the
front and back of the compressor. Confirm unobstructed and
clean heat exchanger surfaces.
3e) Insufficient helium supply
pressure is indicated by the
supply pressure gauge.
3e) Add helium per, Unscheduled Maintenance on page 5-6.
3f) High temperature of the
compressed helium in the discharge line from the compressor pump has tripped the
thermal protective switch.
3f) Confirm that oil is visible in
the compressor sight glass (aircompressor only).
3g) Mechanical seizure.
3g) Contact the Product Service Department.
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6-5
Appendices
Appendix B: Troubleshooting Procedures
8200 Compressor
Installation, Operation, and Service Instruc-
Table 6-1: Compressor Troubleshooting Procedures
Problem
Possible Cause
4) Compressor pump
stops after several
minutes of operating
and then switches ON
and OFF at short intervals.
4a) Intermittent power source
voltage.
4a) Confirm power source
voltage between 198-250V, 60
Hz or 180-220V, 50 Hz and
restore if necessary.
5) Compressor operates but cold head
motor does not run.
5a) Loose or defective cable.
5a) Check cold head cable.
6a) The water coming into the
compressor is too warm.
6a) Ensure the water coming
into the compressor is between
50°F (32ºC) and 90°F (10ºC).
6b) The water is becoming too
warm within the compressor
due to a problem with the
compressor.
6b) Contact the Product Service Department.
6) Cooling water leaving the compressor
exceeds 100°F.
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6-6
Corrective Action
Brooks Automation
Revision 108
8200 Compressor
Installation, Operation, and Service Instructions
Appendices
Appendix C: Electrical Schematics for
Appendix C: Electrical Schematics for 8200 Compressor
The following electrical schematics for the 8200 Compressor are in this appendix:
•
8200 Compressor Electrical Schematic part number 8032563P001
•
8200 Compressor Electrical Schematic part number 8032564P001
Brooks Automation
Revision 108
8040353
6-7
8040353
6-8
MAIN CIRCUIT BREAKER
CIRCUIT BREAKER, 3A
CIRCUIT BREAKER, 3A
MOTOR START RELAY
METER ELAPSED TIME
COLDHEAD CONNECTOR
PUMP CONNECTOR
THERMOSTAT CONNECTOR
SOLENOID CONNECTOR
FAN CONNECTOR
TRANSFORMER CONNECTOR
TRANSFORMER CONNECTOR
TRANSFORMER CONNECTOR
TRANSFORMER CONNECTOR
OVERTEMPERATURE TRIP RELAY
VOLTAGE SELECTOR RELAY
PUMP MOTOR
FAN MOTOR, AIR COOLED ONLY
PHASE MONITOR
ON-BOARD CONNECTOR
CRYO-TORR CONNECTOR
OVERTEMPERATURE RESISTOR
BLEED RESISTOR
CURRENT LIMITER
VOLTAGE SELECTOR SWITCH
FREQUENCY SELECTOR SWITCH
SOLENOID
TRANSFORMER
TRANSFORMER
TERMINAL BLOCK, INCOMING VOLTAGE
THERMOSTAT
THERMOSTAT, FOR WATER COOLED
USE TS1 AND TS2
CB1
CB2
CB3
CR1
ETM
J1
J2
J3
J4
J5
J/P6
J/P7
J/P8
J/P9
K1
K2
M1
M2
PM
J10
J11
R1
R2
RT1
S1
S2
SOL1
T1
T2
TB1
TS1
TS2
119UF
START CAPACITOR,
C2
35UF
RUN CAPACITOR,
C1
TB1
1
9
11
12
GND
WHT/BLU
WHT/ORN
WHT/YEL
ORN
FREQUENCY
WHT/BLK/BLU
60 Hz
BRN
WHT/BRN
WHT/ORN
WHT/GRA
WHT/BLU
0
220V
208V
220V
198 - 212
213 - 250
S1
213 - 220
0
T2
20
0
20
0
WHT
ORN
60 Hz
60 Hz
50 Hz
50 Hz
S2
BLK
GRA
WHT
WHT/VIO
WHT/YEL
ORN
BLK
138 - 162
148 - 159
121 - 125
118 - 139
CH VOLTS
2 2
1 1
5 5
4
3 3
6 6
2a
2b
WHT/BLK/VIO
WHT
YEL
J/P8
7 7
1 1
2 2
5 5
4 4
3 3
6
J/P7
7 7
WHT/RED
WHT
BLK
GRA
WHT
W/VIO
W/YEL
WHT/RED
t 0
212
162
t
12
24
t 0
212
162
t
12
24
208V
250
217
188
125
108
250
217
188
125
108
T1
K1
180 - 212
LINE VOLTS
1 1 BLU
J/P9
6
5 5
4 4
3
2
2 2 WHT/BLU
1 1
BLU
3 3 WHT/GRA
NO
W/BLK
50 Hz
VIO
BRN
WHT/BRN
C
J/P6
6 6
BRN
5 5 WHT/BRN
4 WHT/ORN
R1
NC
WHT/BLK
GRN/YEL-14
POWER IN
BLK 14
WHT/RED
RED 14
K2
5
1
7
3
8
4
WHT
WHT/RED
1. VOLTAGE SELECTION:
13
14
10
BLU
NOTES:
1A
15A
CB3
3A
3
P3
2
P2
L3
Z
WHT
t
RT1
CB2
3A
15A
P1
L2
Y
WHT/ORN
60 HZ
50 HZ
ETM
2
R
20.5 - 24.0
21.9 - 23.5
20.5 - 21.2
19.9 - 23.5
1b
220V
2a
208V
2b
1a
C1
S
PM
NO C NC
A
C
T
R2
119UF
CONTROL VOLTS
YEL
BRN
WHT/BRN
S2
1
C2
S1
B
1
2
35UF
1
2
BLK
RED
CR1
WHT
YEL
5
WHT/VIO
BLK
RED
WHT/RED
W/BRN
BRN
WHT/BLK/VIO
GRA
YEL
BRN-14
YEL
W/ORN
Figure 6-1: 8200 Compressor Electrical Schematic part number 8032563P001
CB1
L1
x
208/230 VAC 3ph
J3
J2
J1
J4
J5
3
4
30
4
0
40
10
3
4
34
10
1
2
3
4
5
6
7
8
9
33
P1
33
1
2
3
4
5
6
7
8
9
11
22
1
1
22
P4
11
22
P3
2
4
24
11
2
2
1
4
14
P2
1
0
14
P5
TS1
J10
VIOGRA
ORN
F
E
D
C
B
0
4
4
4
4
J11
A
4
A
B
C
D
E
F
G
H
J
K
M1
PUMP
WATER COOLED ONLY
TS2
GRN/YEL 14
CRYO-TORR
ON-BOARD CONNECTOR
SOL1
C
BLK 14
RED 14
S
R
BRN 14
FAN
M2
AIR COOLED ONLY
Appendices
8200 Compressor
Appendix C: Electrical Schematics for 8200 Compressor Installation, Operation, and Ser-
YEL
GRN/YEL
Brooks Automation
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Appendices
Appendix C: Electrical Schematics for
Figure 6-2: 8200 Compressor Electrical Schematic part number 8032564P001
8200 Compressor
Installation, Operation, and Service Instructions
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Appendices
8200 Compressor
Appendix D: Components in the Electrical Control Module of the 8200 Compressor
Appendix D: Components in the Electrical Control Module of the 8200 Compressor
The following illustrations are shown in this chapter:
•
Components in the Electrical Control Chassis of the 8200 Compressor
Three-Phase Scott-T Configuration (this page)
•
Components in the Electrical Control Chassis of the 8200 Compressor Single-Phase RC Configuration
1. Overtemperature ResistorR1
9. Circuit Breaker, 3ACB3
2. Run Capacitor, 35 µfC1
10. Voltage Selector SwitchS1
3. Start Capacitor, 119 µfC2
11. Frequency Selector SwitchS2
4. TransformerT2
12. Overtemperature Trip RelayK1
5. Phase MonitorPM
13. TransformerT1
6. Voltage Selector RelayK2
14. Motor Start RelayCR1
7. Main Circuit BreakerCB1
15. Meter, Elapsed TimeETM
8. Circuit Breaker, 3ACB2
Figure 6-3: Components in the Electrical Control Chassis of the 8200 Compressor
Three-Phase Scott-T Configuration
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Appendices
Installation, Operation, and Service Instructions Appendix D: Components in the Electri-
1. Coldhead Phase-Shifting ResistorR3
9. Circuit Breaker, 3ACB2
2. Overtemperature Resistor
10. Circuit Breaker, 3ACB3
R1
3. Run Capacitor, 35 µf
C1
11. Voltage Selector SwitchS1
4. Start Capacitor, 119 µf
C2
12. Frequency Selector SwitchS2
5. Transformer
T2
13. Relay, Trip RelayK1
6. Run Capacitor, 2 µf
C4
14. TransformerT1
7. Run Capacitor, 6 µf
C3
15. Motor Start RelayCR1
8. Main Circuit BreakerCB1
16. Meter, Elapsed TimeETM
Figure 6-4: Components in the Electrical Control Chassis of the 8200 Compressor
Single-Phase RC Configuration
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Appendices
8200 Compressor
Appendix E: Flow Diagrams for 8200 Air-Cooled and Water-Cooled CompressorsInstalla-
Appendix E: Flow Diagrams for 8200 Air-Cooled and Water-Cooled Compressors
Refer to Figure 6-5 on page 6-13 or Figure 6-6 on page 6-14 while reviewing this subsection.
Helium returning from the cold head enters the compressor, and a small quantity of
oil is injected into the gas stream, thereby overcoming helium low specific head and
inability to carry heat produced during compression. Helium is then compressed and
passed through a heat exchanger for removal of compression-caused heat. The helium
flows through a bulk oil separator, oil-mist separator, and helium filter cartridge,
where oil and contaminants are removed.
A differential pressure relief valve in the compressor limits the operating pressure differential between the helium supply and return lines, thereby allowing compressor
operating without cold head operation. When cold head operation reaches a steadystate condition, further pressure regulation is unnecessary.
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8200 Compressor
Installation, Operation, and Service Instructions
Appendices
Appendix E: Flow Diagrams for 8200
Figure 6-5: Flow Diagram of the 8200 (Air-Cooled) Compressor
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Appendices
8200 Compressor
Appendix E: Flow Diagrams for 8200 Air-Cooled and Water-Cooled CompressorsInstalla-
Figure 6-6: Flow Diagram of the 8200 (Water-Cooled) Compressor
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8200 Compressor
Appendices
Installation, Operation, and Service Instructions Appendix F: Additional Cooling Water
Appendix F: Additional Cooling Water Quality Parameters
Table 6-2: Additional Cooling Water Quality Parameters
Water Constituent
Unit
Saturation-Index SI (delta pH-value)
Acceptable
Limits
-0.2 < 0 < +0.2
Total hardness
°dH
6 - 15
Conductivity
mg/l
10...500
Filtered substances
mg/l
<30
Chlorides
mg/l
<500
Free chlorine
mg/l
<0.5
Hydrogen sulphide
mg/l
<0.05
Ammonia
mg/l
<2
Sulphates
mg/l
<100
Hydrogen carbonate
mg/l
<300
Hydrogen carbonate / sulphates
mg/l
>1.0
Sulphide
mg/l
<1
Nitrate
mg/l
<100
Nitrite
mg/l
<0.1
Iron
mg/l
<0.2
Manganese
mg/l
<0.1
Free agressive carbonic acid
mg/l
<20
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Appendices
Appendix F: Additional Cooling Water Quality Parameters
8200 Compressor
Installation, Operation, and
This Page Intentionally Left Blank
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