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TABLE OF CONTENTS

Section 01 - SAFETY INFORMATION
 

1.10  To Prevent Injury

 

1.20  To Reduce Risk Of Electrical Shock

 

1.30  To Reduce Risk Of Electrocution

 

1.40  To Reduce Risk Of Explosion Or Fire

Section 02 - INSTALLATION
 

2.10  Introduction

 

2.20  Unpacking

 

2.30  Pump Location

 

2.40  Application Connection

Section 03 - OPERATION

 

3.10  Starting Procedures / Applications Qualifi cation

 

3.20  Leak Detection

 

3.30  Pump Cleaning / Shutdown Procedures

Section 04 - MAINTENANCE
 

4.10  Maintenance Procedures

Section 05 - TROUBLESHOOTING
 

5.10  Vacuum Problems

 
Section 06 - SPECIFICATION

 

6.10  Specifi cation Table

Section 07 - WARRANTY

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Summary of Contents for WELCH GEMINI 2050

Page 1: ...mited by compatibility with pump materials of construction Always verify vapor chemical compatibility prior to pump use and utilize proper cleaning methods to remove chemical residuals from the pump a...

Page 2: ...ction could result in injury or death to people CAUTION Cautions are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units...

Page 3: ...02 INSTALLATION 2 10 Introduction 2 20 Unpacking 2 30 Pump Location 2 40 Application Connection Section 03 OPERATION 3 10 Starting Procedures Applications Quali cation 3 20 Leak Detection 3 30 Pump Cl...

Page 4: ...part of the body 1 18 Use only in well ventilated areas 1 19 Never block pump exhaust Serious injury can result from pressure build up 1 20 To Reduce Risk Of Electrical Shock 1 21 Do not disassemble...

Page 5: ...urrounding temperature remains between 10 C and 40 C 50 F and 104 F Always check to insure the location chosen is protected from direct or indirect moisture contact 2 32 Electrical Source GEMINI pumps...

Page 6: ...port Pressure build up in the pump will cause pump to stall 2 42 Tubing Connection Use non collapsible tubing for all vacuum connections Connect to pump inlet using 3 8 10mm ID tubing keeping tubing...

Page 7: ...ons as well as certain alcohols ethanol isopropanol and carboxylic acids acetic acid It is important to check for pump material compatibility with potential fumes that can be drawn off your vacuum app...

Page 8: ...mBar GEMINI Start Up After verifying that your vacuum application is correctly con gured per Section 2 Installation turn on the pump On Off switch Welch recommends running the pump for a few minutes...

Page 9: ...r vapors through the pump for 5 minutes to clean pump contact surfaces GEMINI System Shutdown Procedures After use Welch recommends the pump be run for about 2 minutes disconnected from the vacuum pro...

Page 10: ...ower Failure If pump does not turn on the power adapter can be replaced Contact your Welch representative for information 10 SECTION 6 SPECIFICATION 6 10 SPECIFICATION TABLE 5 10 5 11 5 20 5 21 Parame...

Page 11: ...for any period however short will be repaired under this warranty rather than replaced The warranty is effective for one year from the date of original purchase when 1 The warranty card has been comp...

Page 12: ...ca Gardner Denver Thomas Inc Welch Vacuum Technology 5621 W Howard St Niles IL 60714 USA Phone 847 676 8800 Fax 847 677 8606 Email gdwelchvacuum gardnerdenver com Asia Rietschle Thomas Asia Paci c Ltd...

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