Welch 2511 Owner's Manual
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Welch 2511 Owner's Manual

Aspiration / filtration vacuum system
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Model 2511B-75 / 2511C-75
Welch Rietschle Thomas
7301 North Central Avenue
Skokie, IL 60077
Phone: (847) 676-8800
Fax: (847) 677-8606 (Technical Support)
Fax: (920) 451-4397 (Ordering)
E-Mail: welchvacuum@thomasind.com
Web-Page: www.welchvacuum.com
OWNER'S MANUAL
FOR
ASPIRATION / FILTRATION
VACUUM SYSTEM
MODELS:
2511 & 2515
Model 2515B-75
Warning
Not recommended for pumping acid,
base or organic vapors or gases.
Model 2515C-75
For outside of U.S. and Canada, contact your local
Rietschle Thomas sales office, see back page
Part No. 67-1772R1.1
Approval Agency's
Printed in USA

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  • Page 1 Fax: (920) 451-4397 (Ordering) E-Mail: welchvacuum@thomasind.com Web-Page: www.welchvacuum.com OWNER’S MANUAL ASPIRATION / FILTRATION VACUUM SYSTEM MODELS: 2511 & 2515 Model 2515B-75 Warning Not recommended for pumping acid, base or organic vapors or gases. Approval Agency’s Model 2515C-75 For outside of U.S. and Canada, contact your local Rietschle Thomas sales office, see back page Part No.

  • Page 2: Warning And Caution

    PLEASE READ BEFORE OPERATION While reading your manual, please pay close attention to areas labeled: Warnings are given where failure to observe instruction could result Cautions are found where failure to observe the instruction could result in damage to the equipment, associated equipment and process. These units confirm to the SI International system of units of measurement.

  • Page 3: Table Of Contents

    5.10 Vacuum Problems 5.20 Pressure Problems 5.30 Trouble Shooting Guide For 2515 5.40 Trouble Shooting Guide For 2511 And 2515 Section 06 - SPECIFICATION 6.10 Specification Table Section 07 - WARRANTY Section 08 - EXPLODED VIEWS AND PARTS LIST 8.10 Exploded View And Parts List For 2511B-75 / 2511C-75 / 2511C-76 8.11...

  • Page 4: Section 1: Safety Information

    The air openings are for ventilation of the motor inside the housing. Keep all air openings free of lint, dirt and other foreign objects. 1.14 Models 2511 and 2515 are thermally protected and can automatically restart when the protector resets. Always disconnect power source before servicing. 1.15 Never drop or insert fingers or any other object into any openings.

  • Page 5: Section 2: Installation

    2.10 Introduction 2.11 This manual has been compiled not only for the care and maintenance of the Welch Aspiration/Filtration Vacuum System now in your possession, but as a helpful reference and guide to prevent many problems which may occur if used improperly. 2.20 Unpacking 2.21 Carefully remove the Aspiration/Filtration Vacuum System from the shipping case.

  • Page 6: Intake And Discharge Provision

    The regulator allows discharge pressure to be set between atmospheric and the maximum possible for the pump model. Model 2511 is equipped with a pressure port. Note: Adjusting the vacuum regulators will affect the performance of the pump.

  • Page 7: Electrical Power

    2.63 Servicing of Double-Insulated Product (Model 2511) In a double-insulated product, two systems of insulation are provided instead of grounding. No grounding means is provided on a double-insulated product, nor should a means for grounding to be added to the product.

  • Page 8: Section 3: Operation

    3.10 Starting Procedures 3.11 Starting aWelch Aspiration/Filtration Vacuum System Before attaching the pump to a system, familiarize yourself with the function and action of the Aspiration/Filtration Vacuum System that you have acquired. Review the power requirements as described in Section 2.60. Welch recommends running the pump for a few minutes to warm it up, before use.

  • Page 9: Operating Pressure Range

    Aspiration/Filtration Vacuum Systems are designed to be run from slightly below atmospheric to their maximum vacuum level on the intake side. The pumps also may be run from atmospheric to their maximum rated pressure rating (Model 2511 only). Consult the Specification Table for the ratings of your specific model (See Section 6, Specifications).

  • Page 10: Section 5: Troubleshooting

    5.10 VACUUM PROBLEMS 5.11 Leakage, contamination, and unusual outgassing are the general causes of problems associated with poor vacuum. To operate at maximum efficiency, a system must be thoroughly clean. If the system is completely clean and free from leaks and unwarranted vacuum problems still exist, the pump should be checked.

  • Page 11: Trouble Shooting Guide For 2511 And 2515

    5.40 TROUBLE SHOOTING GUIDE FOR 2511 / 2515 Symptoms Possible Cause Reduced/low 1. Clogged hydrophobic vacuum 2. Regulator improperly 3. Air leak. 4. Jar lid gasket not Device does 1. Power cord not not start 2. Defective switch. 3. Vacuum still exists Gauge reads 1.

  • Page 12: Section 6: Specification

    Free Air Displacement CFM (L/min) Maximum Vacuum in. Hg Ultimate Vacuum Torr (mbar) Dimensions L x W x H in. (cm) Shipping Weight, lbs Electrical Requirements SECTION 6: SPECIFICATION Model 2511 2511B-75 2511C-75 2511C-76 2515B-75 2515C-75 2515C-76 0.39(11) 0.32(9.2) 0.39(11) 21.3 219(292) 11.0 x 8.3 x 10.0 ( 28 x 21 x 25.5) 14.8 x 8.3 x 10.0 (37.5 x 21 x 25.5)

  • Page 13: Section 7: Warranty

    UNPACKING Inspect the pump carefully. If any damage has occurred, file claim with the carrier immediately. Save the shipping container for carrier to inspect. OPERATING PUMP Refer to the enclosed Instruction/Operation Manual for all information to properly operate and maintain the pump. WARRANTY This Welch Vacuum product is warranted to be free from defects in material and workmanship.

  • Page 14: Section 8: Exploded View & Parts List

    SECTION 8: EXPLODED VIEW & PARTS LIST 8.10 Model 2511B-75 / 2511C-75 / 2511C-76 ON/OFF SWITCH PUMP PRESSURE PORT LONG COLLECTION TUBING REGULATOR VACUUM GAUGE SHORT HYDROPHOBIC APPLICATION KNOB TUBING FILTER TUBING...

  • Page 15: On/Off Switch

    8.11 Model 2515B-75 / 2515C-75 / 2515C-76 COLLECTION LONG PUMP ON/OFF SWITCH TUBING APPLICATION HYDROPHOBIC SHORT REGULATOR VACUUM GAUGE TUBING FILTER TUBING KNOB...

  • Page 16: Hydrophobic Filter

    8.12 Model 1475K-20 COLLECTION LONG TUBING SHORT TUBING HYDROPHOBIC FILTER APPLICATION TUBING...

  • Page 17: Section 9: Kits And Accessories

    9.10 REPAIR KITS 9.11 Repair Kit for Model 2515 Description Connecting Rod Assembly #1 Handle Screw #2 Head Screw #3 Head O-Ring #4 Valve Plate Assembly #5 Cylinder O-Ring #6 Service Seal Gasket 2515K-01 2515K-02...

  • Page 18: Vacuum Accessories

    9.20 VACUUM ACCESSORIES 9.21 Table for Vacuum Accessories Adapter S.S. 40mm 8-Channel Adapter S.S. 40mm 1-Channel Adapter for dispoable tips, w/o ejector Rubber Adapter for Pasteur pipettes 8-Channel Adapter for dispoable tips, w/ejector Adapter S.S. 150mm 4-Channel Adapter S.S. 40mm Adapter S.S.

  • Page 19: Electrical Accessories

    9.30 ELECTRICAL ACCESSORIES 9.31 Table for Electrical Accessories 115V 60Hz - Maintained on/off footswitch 115V 60Hz - Variable on/off footswitch 90-230V 50/60Hz - Variable on/off footswitch 9.40 REPLACEMENT ACCESSORIES 9.41 Table for Replacement Accessories Aspiration Kit - Includes: 6 ft tubing, 2000ml Autoclavable jar w/lid, and two hydrophobic filters ten hydrophobic filters Description...
  • Page 20 Welch Rietschle Thomas Vacuum Pump Repair Facility 7301 North Central Avenue Skokie, IL 60077 Phone: (847) 676-8800 Fax: (847) 677-8606 (Technical Support) Fax: (920) 451-4397 (Ordering) Copyright© 1997-2004 Welch Rietschle Thomas Welch is registered trademarks of Welch Rietschle Thomas...

This manual is also suitable for:

25152511b-752511c-752515b-752515c-75

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