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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, replace the cord of same type and rating.

1.12  Keep the cord away from heated surfaces. All electrical products generate heat. To avoid 

serious burns never touch unit during or immediately after operation.

1.13  Never block any air openings or place it on a soft surface where the openings may be blocked. 

To ensure proper ventilation, keep unit a minimum of one inch from any wall or obstruction. 
The air openings are for ventilation of the motor inside the housing. 

1.14  Models 2070 and 2080 are thermally protected and can automatically restart when the 

protector resets. Always disconnect power source before servicing.

1.15  Never drop or insert fi ngers or any other object into any openings.

1.16  Do not operate this product where oxygen is being administered.

1.17  Wear safety glasses and goggles when operating this product.

1.18  Use only in well ventilated areas. The motor on all pumps are totally enclosed fan cooled

  

WARNING

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

explosive gases/vapors

1.19  Be sure to properly identify intake and discharge before using pump. See Section 2.5.

 

Models 2070 and 2080 have one exhaust port on the pump. See Section 2.15.

  

WARNING

Remove plug from Exhaust Port before using

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 qualifi ed service agencies only.

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

outlet only.

Содержание Welch Chemstar Dry 2070

Страница 1: ...efore using the pump See Section 2 15 CAUTION Do not pump liquids with the pump Pumping liquids will cause the pump to stop working CAUTION CAUTION Using flexible PVC vacuum hose or silicone rubber vacuum hose with organic solvents such as Methylene Chloride DCM may leach out plasticizers and foul pump internals causing mechanism failure ...

Страница 2: ...ions 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...

Страница 3: ...ions 7 2 16 Electrical power 7 2 17 Chemical Compatibility of Vacuum Hose 7 Section 03 Operation 3 10 Starting the Chemstar Dry 8 3 11 Cleanliness 8 3 12 Leak detection 8 3 13 Operating pressure range 8 3 14 The effects of unwanted vapor and automatic gas ballast 9 3 15 Shutdown procedure 9 3 16 User interface 9 3 17 Fault modes 10 Section 04 Specifications 4 10 Specification chart 11 4 20 Performanc...

Страница 4: ...ways disconnect power source before servicing 1 15 Never drop or insert fingers or any other object into any openings 1 16 Do not operate this product where oxygen is being administered 1 17 Wear safety glasses and goggles when operating this product 1 18 Use only in well ventilated areas The motor on all pumps are totally enclosed fan cooled WARNING Do not operate the pumps in an atmosphere contai...

Страница 5: ...iquid 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 in or near explosive atmospheres or where aerosol spray products are being used 1 42 Do not use this product near flames WARNING Failure to observe the above safety precautions could result in Severe bodily injury including death in...

Страница 6: ...h your dealer or Welch Vacuum be sure to include your order numbers for quick identification Do not return the pump to the factory without obtaining returned goods authorization See Service Support on www welchvacuum com 2 13 System Mounting Rubber feet are attached to the bottom of the pump Rubber feet are excellent for applications involving a semi flexible surface such as a bench top they help to...

Страница 7: ...16 1 Power Source Review Review the power source and the motor rating to be sure they agree in voltage phase and frequency Serious damage may occur to the motor if it is connected to an improper voltage All Welch pumps must be grounded Grounding reduces the risk of electric shock in the event of an electrical short circuit The plug must be plugged into an outlet properly grounded Consult your loca...

Страница 8: ...mping on organic solvent vapors Solvent such as Methylene Chloride DCM effectively leaches out plasticizers from the PVC and silicone hose which carry over to the vacuum pump causing contamination and vacuum mechanism failure Using natural thick walled gum rubber vacuum hose gives better resistance to organic solvents such as Methylene Chloride DCM and protects vacuum pump against early failure Use...

Страница 9: ...gas ballast feature press and hold power button until you hear two beeps break and three beeps The RAMP UP lights will start blinking 3 15 Shutdown Procedures After use Welch recommends the pump be run for about 2 minutes disconnected from the vacuum process The air pumped through the mechanism will purge out water vapor or droplets of condensate that may have formed on the inside of the pump This...

Страница 10: ...purge the pump 4 When the blower has finished its ramp down the second RAMP LED will go out and now the last RAMP LED will flash in unison with POWER ON LED The total time from this point to the unit fully powering down will be 95 seconds 5 After ten seconds the Vent valve will open 6 Fifteen seconds before the unit powers down the blower is shut off along with the last RAMP LED Power down sequence c...

Страница 11: ...5 Weight lbs Kg 50 22 7 88 40 Running Amps 3 6 Free Air Displacement Diaphragm Pump LPM 35 120 Overall Dimensions Lx W x H in cm 18 1 x 8 5 x 18 4 45 9 x 21 6 x 46 7 22 5 x 10 5 x 17 8 57 2 x 26 7 x 45 2 Ordering Information Wired for 115V 60Hz 1 Ph with North American plug 2070B 01 2080B 01 Wired for 230V 50 60 Hz 1 Ph supplied with Schuko and UK cord sets 2070C 02 2080C 02 Note 2070C 02 Fuse Rep...

Страница 12: ...70 0 1 1 10 100 1000 0 50 100 150 200 250 300 350 400 450 500 Pressure Torr Time sec Pumpdown on 41 L tank CHEMSTAR DRY Models 10 100 1000 0 01 0 1 1 10 100 1000 Flow Lpm Vacuum pressure Torr Pumping Speed CHEMSTAR DRY Models Model 2080 Model 2070 ...

Страница 13: ...SCREW PAN HEAD 8 32 2 6 SCREW 8 X 1 2 SELF DRILLING 22 23 CABLE CLAMP 3 7 HOSE CLAMP 2 24 NAMEPLATE 2 38 X 2 00 1 8 BUMPER RUBBER 31 32 4 25 LABEL 0 75 X 0 75 WHITE MYLAR 4 9 LABEL CLEAR COAT 3 25 X 2 25 1 26 OVERLAMINATE 1 10 WIRE ASSEMBLY CONTROL TO CONTROLLER 1 27 LABEL FRONT PANEL 1 11 WIRE ASSEMBLY SOLENOID 1 28 LABEL GENERAL DANGER 1 12 WIRE ASSEMBLY SOLENOID 1 29 SHROUD ASSEMBLY 1 13 WIRE A...

Страница 14: ... TO 604813 WHITE WIRE CONNECTS TO L TERMINAL BLACK WIRE CONNECTS TO N TERMINAL CONNECT 604817 HERE OTHER END CONNECTS TO 604813 BLACK WIRE CONNECTS TO V RED WIRE CONNECTS TO V CONNECT 604819 HERE OTHER END CONNECTS TO 51 4014 SOLENOID VALVE CONNECT 604818 HERE OTHER END CONNECTS TO 604811 CONNECT 605435 HERE RED WIRE FROM 639560 BLOWER FAN CONNECTS TO TERMINAL 1 ON 605435 CONNECT 605435 HERE ED WI...

Страница 15: ...pumps that have been used 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 completed and returned 2 The product is returned to the factory or other designated service centers freight prepaid 3 The product in our judgment is defective through no action or ...

Страница 16: ...e 550 Mount Prospect IL 60056 Phone 847 676 8800 Technical Support Fax 847 677 8606 E Mail gdwelchvacuum gardnerdenver com Web Page www welchvacuum com Copyright 2020 Gardner Denver Welch Vacuum Technology Inc Welch is registered trademarks of Gardner Denver ...

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