Ulvac DAU-20 Series Instruction Manual Download Page 1

Page: 1 / 36

．

20001-2-03-5

High Vacuum Diaphragm Type Dry

Vacuum Pump

DAU-20x

(X: A=100V, B=115V, C=200V, D=220V, E=230V)

Request

Please read this Instruction Manual before starting the pump in order to

use the pump effectively and safely. Please keep this Instruction Manual

carefully.

We reserve our right to change dimensions or specifications of the

motors described in this Instruction Manual for improvement of the

performance without prior notice.

ULVAC KIKO Inc.

Instruction Manual

Summary of Contents for DAU-20 Series

Page 1: ...uction Manual before starting the pump in order to use the pump effectively and safely Please keep this Instruction Manual carefully We reserve our right to change dimensions or specifications of the...

Page 2: ...nd vacuum pumps Safety requirements Part2 Vacuum pumps IEC EN 61010 1 2010 A1 2019 Safety requirement for electrical equipment for measurement control and laboratory use Part1 General requirement foll...

Page 3: ...nformity with the following standards BS EN 1012 2 1996 A1 2009 Compressors and vacuum pumps Safety requirements Part2 Vacuum pumps BS IEC EN 61010 1 2010 A1 2019 Safety requirement for electrical equ...

Page 4: ...ng Operation 4 3 3 Installation location 4 3 4 Verification Run in Installation 5 3 5 Piping 5 3 6 Storage 5 4 Caution in Operation 5 4 1 Caution in Operation 5 4 2 When Thermal Protector Operated 5 4...

Page 5: ...ase use when requesting overhaul Sales service agency and the where to make contact Drawing List Fig 2 1 DAU 20 Appearance 3 Fig 3 1 Piping Example for Evacuation of Container 5 Table 1 1 Equipment Sp...

Page 6: ...ump correctly Always read Directions to use safely in particular Storage of Instruction Manual Please keep Instruction Manual carefully After reading store this Instruction Manual on the location wher...

Page 7: ...ap attached to Inlet exhaust pipe 2 pcs 3 Whether damaged positions are found 4 Whether loosen external screws or inlet exhaust pipe Whether coming off positions are found In case there is trouble by...

Page 8: ...eaviest injuries of users Incorrect operation may result in possibility to cause death or heaviest injuries of users Incorrect operation may result in possibility to cause death or heaviest injuries o...

Page 9: ...ort circuit grounding reduces the risk of electric shock by providing an escape wire for the electric current If the product is equipped with a cord having a grounding wire with an appropriate groundi...

Page 10: ...ve the power cord from the wall socket before connecting any wiring Connecting wiring with the power on may result in electric shock 7 Always ensure that the pump is correctly earthed A dedicated eart...

Page 11: ...articles resulting from wear of components use a dust mask and gloves during repair work Installation 1 This pump is a machine having precise clearance Satisfy the following requirements when conducti...

Page 12: ...r immediately 10 Expose the pump for cooling for about 30 minutes and start work after confirming the pump is cooled down Internal pump is hot soon after operation and there is a risk of burn Installa...

Page 13: ...own to the ambient temperature If operated in high temperature life of the pump shall be extremely reduced 10 Do not apply back pressure in the pump exhaust side when start Load to the motor may cause...

Page 14: ...to wipe off chemicals attached regardless description in the followings Acetone Ethyl ether Ethyl acetate Flora and fauna oil etc 5 Never absorb the gas that mixed dust dust moisture 6 Do not operate...

Page 15: ...to liquid state and remains in the pump chamber This pump is not corrosion resistant When air is inhaling from the gas ballast valve just before of the compression process of the pump the condensable...

Page 16: ...operating Start operation after closing the gas ballast valve always When the gas ballast valve is used it is generally considered that the absorbed medium reacts in the pump and exhaust vent On that...

Page 17: ...g No flammability risk h When Equipment is installed temperature in pump circumference shall not exceed 40 104 degF 3 3 Installation location Select a location where dust and moisture are small and i...

Page 18: ...ve a blocking valve as shown on Fig 3 1 in order to maintain vacuum status between an inlet pipe and container of the pump 5 When connecting a pipe to inlet exhaust port always hold the inlet exhaust...

Page 19: ...usage 4 2 When Thermal Protector Operated This pump incorporates an automatic reset type thermal protector It automatically cuts off the motor power circuit to prevent the motor from being damaged by...

Page 20: ...cult to start follow the procedure described below 1 Open the inlet port to atmosphere and repeat switch ON OFF two or three times until the pump starts If still it does not start warm up the ambient...

Page 21: ...the equipment and piping make the ultimate pressure higher 2 Ultimate pressure becomes higher in case there is resource of gas such as vacuum leakage in the vacuum route 5 2 Exhaust velocity Flow rat...

Page 22: ...c standard option 1 Replacement of diaphragms 2 Replacement of valves 6 2 Maintenance During an operation of the vacuum pump check the following items at least once in 3 days 1 Generation of abnormal...

Page 23: ...0 hr Valve 8 Fluorine Rubber 6 000 hr Gas ballast cap 1 6 000 hr Rubber leg 4 6 000 hr L form coupling 2 PP Different according to working condition application Gas ballast nipple 1 PP Different accor...

Page 24: ...pple Deformation hardening crack split leak etc Visual inspection L form nipple Deformation hardening crack split leak etc Visual inspection Abnormal bearing Allophone Auscultation 6 4 Replacement of...

Page 25: ...Spanner Opposite sides 13 mm 0 5 thickness lower than 5 5 mm 0 2 Torque spanner 4 N m Opposite sides 17 mm 0 7 5 Wipe off solvent Chemical without influence to rubber parts such as ethyl alcohol 6 Pap...

Page 26: ...e all sheets at the same time When working on replacement wear gloves always There is risk of injury CAUTION 4 Connecting pipe Upper and lower 3 Valve retainer 2 Valve retainer cover 1 Panel Both side...

Page 27: ...valve in orientation as shown in right drawing Upper level pump head mounting direction Notch direction Mount the lower level valve in orientation as shown in left drawing Lower level pump head mount...

Page 28: ...ith a spanner of opposite side 13 mm 0 5 lightly Afterwards tighten with a torque spanner in 4N m as final tightening 11 Align a direction of the pump head and attach it on the diaphragm see P 09 for...

Page 29: ...ON check the work particularly the area related to the power supply again and start the pump operation Attention Be sure to fully check it 2 Replacement of Piping Replacement of piping may differ acc...

Page 30: ...isassembly inside inspection of pump head 15 Abnormal bearing 15 Replacement 6 4 16 Miscellaneous Damage of pump internal parts 16 Overhaul replacement of damaged parts 6 4 Pressure failed to drop 1 P...

Page 31: ...ous operation in the status that absorption gas pressure is high 1 Do not conduct continuous operation in vicinity of atmospheric pressure 2 Absorption gas is high temperature 2 Mount refrigerating ma...

Page 32: ...ns maintenance and inspection etc d Malfunctions caused by modifications or repairs carried out by a party other than the manufacturer or by a service company not approved by the manufacturer e Malfun...

Page 33: ...e 1 PP 42 Setscrew 4 SUS 13 Gas ballast nipple 1 PP 43 Pan machine screw 12 SUS 14 Eccentric axis 4 Iron 44 Bolt with hexagon head hole 2 SUS 15 Panel B 1 SUS 45 Pan machine screw 4 SUS 16 Panel A wit...

Page 34: ...DAU 20 Instruction Manual 21 Exploded view...

Page 35: ...Industrial Safety and Health Law designates particular substances as the materials to be notified 2 Usage Status Operation Method Approx hours per day years and months Continuous Operation Intermitte...

Page 36: ...6 6397 2286 ULVAC KIKO Inc https ulvac kiko com en Please contact us for products Service Base or other Inquiries from here ULVAC Inc Components Division 2500 Hagisono Chigasaki Kanagawa 253 8543 Japa...

Search results

Summary of Contents for DAU-20 Series

Reviews:

Related manuals for DAU-20 Series

Brands by name

Popular brands

Ulvac DAU-20 Series, Instruction Manual

Search results

Summary of Contents for DAU-20 Series

Reviews:

Related manuals for DAU-20 Series

Brands by name

Popular brands