Welch Vacuum 2567B-50 User Manual

WELCH-IL

OWNER’S MANUAL

FOR

DRY VACUUM PUMP

MODELS: 2567B-01, 2567B-50, 2567C-02, 2567C-70, 0310-9096,

& 0310-9097

Not recommended for pumping acid, base or organic vapors or gases.

Be sure to properly identify intake and discharge before using pump.

Welch-Ilmvac 5621 W. Howard Street Niles, IL 60714 Phone: (847) 676-8800 (Technical Support) Fax: (847) 677-8606 E-Mail: gdwelchvacuum@gardnerdenver.com Web-Page: www.welchvacuum.com

Warning

See section 2.5

Part No. 642828A

Printed in USA

INSTRUCTION

WARNING AND CAUTION

PLEASE READ BEFORE OPERATION

While reading your manual, please pay close attention to areas labeled:

WARNING AND CAUTION.

The description of each is found below.

WARNING

Warnings are given where failure to observe instruction 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 conform to the SI International system of units of measurement.

The following symbols (with recommendation of IEC1010 ) of warning will be found on the pump.

Caution - Refer to accompanying documents

Caution - Risk of electrical shock

Caution - Hot surface

WARNING

Motor includes a self resetting thermal cutout and the pump could restart

without actuation under fault condition.

TABLE OF CONTENTS

Section 01 - Installation

1.01 Unpacking

1.02 Pump Mounting

1.03 Pump Location / Environmental Conditions

1.04 Exhaust Provisions

1.05 Electric Power

1.06 Vacuum Connections

1.07 Vacuum Gauges

1.08 Vacuum Pump Oil Section 02 - Pump Features & Principles of Operation

2.01 General Description

2.02 Principles of Vacuum Pump Operation

2.03 Effects of Continued Pressure Reduction

2.04 Ultimate Pressure

2.05 Pump Mechanism Description

2.06 Intake Anti-Suckback Protection

2.07 Pump Lubrication

2.08 Exhaust Filter

2.09 Gas Ballast Valve

2.10 UNIBARBTM Intake Fitting Section 03 - Speciﬁ cations

3.01 Speciﬁ cation Chart Section 04 - Motor Power Speciﬁ cations / Features

4.01 Motor Speciﬁ cation Chart

4.02 Changing the Voltage Settings for Global Motor Option on “A”-Models

4.03 Changing the Voltage Settings for Global Motor Option on “C”-Models

4.04 Changing the Voltage Settings on “A”-Models

4.05 Other Electrical Conﬁ gurations

4.06 Explosion Proof Pumps Section 05 - Operation

5.01 Starting Procedure

5.02 High Pressure Operation

5.03 Shutdown Procedures Section 06 - Speciﬁ cations

6.10 Pump Speciﬁ cation Chart

6.11 Pumping Speed Curves

6.12 Dimensional Drawing

6.17 Parts List and Exploded View Section 07 - Speciﬁ cations

7.20 Vacuum System for Vacuum Chamber, Glove Box, Annular Space & Transfer Line

7.21 System Components

7.22 Vacuum System for Cell Harvesting Warranty

Section 1: SAFETY INFORMATION

I.10 CAUTION: To prevent injury....

I.11 Never operate this product if it has a damaged cord or plug. If it is not working properly, has

been dropped, damaged or has fallen into water, please return the product to a Welch service

center for examination and repair. I.12 Keep the cord away from the heated surfaces. I.13 Never block any air openings or place it on a soft surface where the openings may be blocked.

The air openings are for ventilation of the motor inside the housing. Keep all air openings free

of lint, dirt and other foreign objects. I.14 The PTFE pump is thermally protected and can automatically restart when the protector resets.

Always disconnect power source before servicing. I.15 Wear safety glasses or goggles when operating this product. I.16 Use only in well ventilated areas. The motor is fan cooled enclosed in a shell.

WARNING

Do not operate the pumps in an atmosphere containing ﬂ ammable or

explosive gases/vapors.

WARNING

Never block the exhaust port. If the exhaust is blocked, pressure will

build-up in the pump with the potential of the pump head bursting and

I.17 All electrical products generate heat. To avoid serious burns never touch unit during or

immediately after operation. I.18 Be sure to properly identify intake and discharge before using pump. See Section II-5.

I.20 CAUTION: To reduce risk of electrical shock....

I.21 Do not disassemble. Disassembly or attempted repairs if accomplished incorrectly can create

electrical shock hazard. Refer servicing to qualiﬁ ed service agencies only: Call (847) 676-8800 I.22 Unit is supplied with a three pronged plug. Be sure to connect pump to a properly grounded

outlet only. I.23 WARNING: To reduce risk of electrocution… I.24 Do not use this product in or near area where it can fall or be pulled into water or other liquids. I.25 Do not reach for this product if it has fallen into liquid. Unplug immediately. I.26 Never operate this product outdoors in the rain or in a wet area. I.27 DANGER: To reduce risk of explosion or ﬁ re… I.28 Do not use this pump near explosive atmospheres or where aerosol (spray) products are being

used. I.29 Do not use this product near ﬂ ames.

causing possible injury to personnel in the area.

WARNING

Failure to observe the above safety precautions could result in severe

bodily injury, including death in extreme cases.

Section 2: INSTALLATION

2.10 Introduction This manual has been compiled not only for the care and maintenance of the Welch Dry

Vacuum System now in your possession, but as a helpful reference and guide to prevent many

problems which can occur if used improperly.

2.11 Unpacking Carefully remove the Dry Vacuum System from the shipping carton. Preserve all paperwork for

future reference. If damage has occurred from shipment a claim must be ﬁ led with the carrier

immediately; preserve the shipping carton for inspection by the carrier. If you are required to

communicate with your dealer or Welch Vacuum be sure to include your order numbers for

quick identiﬁ cation. Do not return the system to the factory without ﬁ rst calling for a returned

goods number. Call (847) 676-8800.

2.12 System Mounting Rubber feet are attached to the pump. Rubber feet are excellent for applications involving a

semi-ﬂ exible surface such as a bench top; they help to isolate noise and eliminate creeping.

2.13 System Location and Environmental Condition The Dry Vacuum System should be located in a clean, dry and well ventilated area. Do not to

block the ventilation ports located on the metal shell. The pump should be placed where the

surrounding 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. The pump

should be located as closely to its system as possible in order to utilize it most efﬁ ciently. The

pump is rated for indoor use only. Maximum altitude 2000 meters. Operating temperature

range 5°C to 40°C. Maximum relative humidity of 80% for temp up to 31°C decreasing to 50%

at 40°C. Rated for ±10% of supply voltage. Pollution Degree2, Installation Category II.

WARNING

Don’t operate this pump in an atmosphere containing ﬂ ammable or

The motor is thermally protected and will automatically restart

2.14 Inlet and Outlet Provisions A inlet hose barb which accepts 3/8” I.D. hose makes it easy to connect the system to your

concentrator, rotary evaporator or gel dryer. Since the vacuum system operates in the viscous

ﬂ ow regime, the small diameter of the hose will generate minimal conductance loss. For best

results, Welch recommends the length of the tubing between the pump and the apparatus be

kept as short as possible. Hose clamps should be used to hold the hose in place. The hose

barb in the outlet port of the pump accepts 3/8” ID hose. A vent line can be attached to the

outlet hose barb which allows gases and vapors pumped through the pump to be piped to a

fume hood. Be sure to call Welch technical service prior to start-up at (847) 676-8800 if you

have any questions.

Never Block The Outer Port. If the outlet is blocked, pressure will

buildup in the pump which can lead to the pump head bursting creating

the potential of serious injury. Remove plug from outer port.

unexpectedly when the overload device resets.

explosive gases or vapors.

WARNING

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