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Section 1:  SAFETY INFORMATION

1.10     CAUTION: To prevent injury....

1.11

    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 Gardner Denver 

 

Welch Vacuum Technology  service center for examination and repair.

1.12

    Keep the cord away from the heated surfaces.

1.13 

  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.

1.14 

   The PTFE pump is thermally protected and can automatically restart when the protector resets.

 

Always disconnect power source before servicing.

1.15 

   Wear safety glasses or goggles when operating this product.

1.16 

  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 flammable 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 causing possible injury to personnel in the area.

1.17

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

 

after operation.

1.18 

  Be sure to properly identify intake and discharge before using pump.  See Section 2.14.

 

 

 

 

 

 

 

WARNING                                                            

Remove plug(s) from Exhaust Port(s). The Self cleaning Dry Vacuum 

System has one outlet port  and one inlet port.  The ports are labeled.

1.20     CAUTION: To reduce risk of electrical shock....

1.21

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

 

electrical shock hazard.  Refer servicing to qualified service agencies only:

 

Contact your closest Gardner Denver Welch Vacuum Technology  sales office. See directory on back cover.

1.22

  Unit is supplied with a three  pronged plug.  Be sure to connect pump to a properly grounded 

 

outlet only.

1.30     WARNING:  To reduce risk of electricution…

1.31

    Do not use this product in or near area where it can fall or be pulled into water or other liquids.

1.32 

   Do not reach for this product if it has fallen into liquid.  Unplug immediately.

1.33

    Never operate this product outdoors in the rain or in a wet area.

1.40     DANGER:  To reduce risk of  explosion or fire…

1.41

    Do not use this pump near explosive atmospheres or where aerosol (spray) products are being used.

1.41

    Do not use this product near flames.

WARNING

Failure to observe the above safety precautions could result 

in severe bodily injury, including death in extreme cases.

4

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Содержание Welch Self-Cleaning Dry Vacuum System DryFast...

Страница 1: ...s underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos...

Страница 2: ...y intake and discharge before using pump See Section 2 28 CAUTION Do not pump liquids with the pump Pumping liquids will cause the pump to stop working 2025 2027 2028 9 Torr 12 mbar 2 Torr 2 7 mbar 2...

Страница 3: ...truction could result in damage to the equipment associated equipment and process These units con rm to the SI International system of units of measurement The following symbols with recommendation of...

Страница 4: ...ral Maintenance Section 05 Calibration 5 10 Calibration for Model 2027 only Section 06 Troubleshooting 6 10 Vacuum Problems Section 07 Speci cation 7 10 Pump Speci cation Table Section 08 Drawings Par...

Страница 5: ...id serious burns never touch unit during or immediately after operation 1 18 Be sure to properly identify intake and discharge before using pump See Section 2 14 WARNING Remove plug s from Exhaust Por...

Страница 6: ...nding 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...

Страница 7: ...must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances DANGER Improper installation of the grounding plug can result in a risk of ele...

Страница 8: ...s located in the top front section of the system The dial vacuum gauge is commonly used to indicate vacuum level when operating in the rough vacuum range 2 torr 2 7mbar 29 8 in Hg Dial vacuum gauges g...

Страница 9: ...ballast or vent switch acts to minimize vapor condensation when pumping heavy vapor loads In a pump functioning on an apparatus with a high vapor load compression within the pump takes place in the n...

Страница 10: ...ll shut off allowing the unit to vent to atmospheric pressure The outlet separator catches any liquid or particulates during the purge cycle To adjust the purge cycle time on Models 2025 2026 2027 fro...

Страница 11: ...o freeze out most heavy water vapor loads A variety of cold traps are available from Welch Contact your closest Gardner Denver Welch Vacuum Technology sales of ce See country directory on back cover o...

Страница 12: ...can be made out of readily available material for protecting the pump The trap would consist of a ltering ask placed between the pump and the vacuum chamber The simple liquid trap will act as a buffe...

Страница 13: ...the valve will be in the closed max vac position AUTO MODE Press AUTO button or Vacuum Control knob in MANUAL mode to enter AUTO mode AUTO mode gives you precise control of the vacuum setting via Up...

Страница 14: ...l knob to scroll to the Program option and press to enter the Program menu screen The Program screen displays all existing stored programs in desired vacuum units and time minutes Use the Vacuum Contr...

Страница 15: ...and display the current units setting with an asterisk Use the Vacuum Control knob to select the desired units and push the Vacuum Control knob to change The screen will now display the new vacuum uni...

Страница 16: ...the Vacuum Control knob to select Exit or Back to make additional changes from the Setup screen 4 ABOUT Use the Vacuum Control knob to select the About option The About option lists the product model...

Страница 17: ...d place over both pins See gure calibration mode below Step 4 Attach gauge to inlet of pump Step 5 Re apply power to the unit CAUTION Unit will start up as soon as power is applied Display will ash SE...

Страница 18: ...um Note Pump Cannot Start Under Vacuum Turn off and UNPLUG PUMP remove top housing and turn fan a few times Replace cover and turn on if problem still persists contact Welch Technical Support Turn pum...

Страница 19: ...el around 30 40 Torr indicates bad exh stage valve or diaphragm Bad valve or diaphragm Change Valve Diaphragm Loose eccentric or counterweight Tighten Loose Parts Use Loctite Broken diaphragm threaded...

Страница 20: ...off and UNPLUG PUMP wait 30 seconds re connect to power and turn pump back on Digital gauge Displays CAL Err Unit has detected a calibration error Mechanical Failures Poor Vacuum Leaks Check inlet ja...

Страница 21: ...ump Anti Foam Button N A N A N A YES Tubing needed I D in mm 1 4 7 1 4 7 1 4 7 1 4 7 Intake Exhaust Thread NPT 3 8 3 8 3 8 3 8 Weight lbs Kg 30 13 6 30 13 6 30 13 6 30 13 6 Programmable Repeat Functio...

Страница 22: ...Section 8 DRAWINGS PARTS LISTS AND EXPLODED VIEWS 8 10 Dimensional Drawing 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 23: ...8 11 Schematic Wiring Diagram for Models 2025 2026 22 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 24: ...8 12 Schematic Wiring Diagram for Model 2027 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 25: ...ing PTFE Duality 1 30 Ft 6 1 See Note 1 Gasket 1 7 1 See Note 1 U Clamp 1 8 1 726123 Vacuum Gauge 2 Dial mbar kPa 8 1 726125 Vacuum Gauge 2 Dial in Hg cm hg 9 2 1423B Glass Jarr Assembly 10 2 1415B Re...

Страница 26: ...ts List Exploded View for Repair Kits Repair Kit 2025K 01 for Model 2025 Repair Kit 2027K 01 for Models 2026 2027 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artis...

Страница 27: ...______________________________ __________________________________________________________________________________________ ______________________________________________________________________________...

Страница 28: ...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 completed and returned 2 The produ...

Страница 29: ...kie IL 60077 Phone 847 676 8800 Fax 847 677 8606 Technical Support Fax 920 451 4397 Ordering Copyright 1997 2004 Gardner Denver Welch Vacuum Technology Inc Welch is registered trademarks of Gardner De...

Страница 30: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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