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01 

Before Using the Equipment 

Thank you for purchasing this product. Your custom is very much appreciated. 
This pump is designed solely for vacuum discharge, and may malfunction or cause accidents if not 
handled appropriately. Read the manual thoroughly, and pay due attention to inspections, 
maintenance, and safety. 

 

 

Personnel Handling the Equipment 

Only persons who have read this manual thoroughly, and have sufficient understanding of 
safety, pump specifications, and method of operation, may operate this pump. 

 

Read the Manual Thoroughly 

Read the manual thoroughly in order to use the equipment correctly. Read the section on 
Safe Use particularly closely. 

 

Keep This Manual in a Safe Place 

After reading this manual, be sure to keep it in a safe place which is readily accessible to 
others needing to use it. 

 

Copying This Manual Is Prohibited 

No part of this manual may be copied for use by a third party without the express 
permission of the manufacturer. 

 

Statutory Requirements for Disposal 

Follow all statutory and local authority regulations when disposing of this pump. 

 

Safety During Repair 

Please provide a full description of the circumstances of use (particularly the use of 
dangerous materials) for the safety of repair personnel when requesting the manufacturer 
for repairs to the pump. Your request for repair of may be refused if these circumstances 
are unclear. 

 

01

 

Summary of Contents for DTC-22

Page 1: ...to Users Please read this manual thoroughly to ensure safe and effective use of the equipment Keep this manual in a safe place Due to periodic improvements in performance the equipment described in t...

Page 2: ...hecking Operation After Installation 4 3 5 Piping 5 3 6 Storage 5 4 Cautions for Operation 5 4 1 Cautions for Operation 5 4 2 Operation of the Thermal Protection Relay 5 4 3 Precautions when starting...

Page 3: ...sions 3 Fig 3 1 Example of Piping Used When Evacuating a Vessel 5 Table 1 1 DTC 22 Product Specifications 2 Table 1 2 DTC 22K Product Specifications 2 Table 6 1 Consumables List 7 Table 6 2 Locations...

Page 4: ...quipment correctly Read the section on Safe Use particularly closely Keep This Manual in a Safe Place After reading this manual be sure to keep it in a safe place which is readily accessible to others...

Page 5: ...ached to power cord x 1 It is attached only to 100V in the motor ratings voltage 3 Is the pump damaged in any way 4 Are any external screws or inlet and outlet pipes loose Are any components missing C...

Page 6: ...y to the operator Incorrect handling of the equipment may result in death or serious injury to the operator Incorrect handling of the equipment may result in light or medium injuries to the operator o...

Page 7: ...cking or repairing the pump Failure to do so may result in electric shock or the pump suddenly starting and causing injury 5 Ensure that the relevant wiring is in accordance with technical standards f...

Page 8: ...rage installation and operation 1 Ambient temperature of 0 40 C and maximum relative humidity of 85 during operation 2 Other conditions for storage and operation a Level floor of sufficient strength b...

Page 9: ...shocks or tipped over on its side 2 Do not hold or push the tube at the top of the pump see below Damage to the tube may affect performance of the pump Applications 3 This pump is not designed to be c...

Page 10: ...of 40 C Use at high ambient temperatures will dramatically reduce the life of the pump 10 Back pressure at the outlet while the pump is starting may overload the motor 11 The thermal protection relay...

Page 11: ...is pump is designed for general corrosion resistance however it is not resistant to molten alkali metals such as molten sodium to fluorine at high temperatures and to some oxides of fluorine 4 Corrosi...

Page 12: ...istance to the tip of the intake or exhaust pipe 142mm W 272mm L 202mm H Voltage Category Pollution Degree Table 1 2 Product Specifications Model DTC 22K Discharge rate 50Hz 20L min 60Hz 24L min Press...

Page 13: ...if the motor temperature rises due to a pump fault which prevents rotation or if load becomes excessive 2 It is recommended that additional protective devices eg earth leakage breaker motor breaker b...

Page 14: ...l dust and humidity This location should be selected in consideration of ease of installation and removal inspection and cleaning Particular attention should be paid to ambient temperature when fittin...

Page 15: ...en evacuating a vessel ensure that a shut off valve is placed between the pump inlet pipe and the vessel see Fig 3 1 Fig 3 1 Example of Piping Used When Evacuating a Vessel 3 6 Storage Turn the switch...

Page 16: ...ure achieved as employed in the catalogue and in this manual is defined as the minimum pressure obtained by the pump without introduction of gas from the pump inlet ie the no load condition Note that...

Page 17: ...lean in accordance with the Replacement and Cleaning Guide on the following page Refer to 6 4 Replacing and Cleaning Consumables for procedures Request replacement by the manufacturer s service divisi...

Page 18: ...ing and Cleaning Consumables See Caution 11 P06 Always use a mask and gloves when replacing components to prevent ingestion of microscopic particles resulting from wear of components Use the following...

Page 19: ...he pump head as shown in Photo 4 Note Gripping or bending the connecting tube will damage it and reduce performance of the pump Note After removing the pump head lay it on a soft cloth Note There is a...

Page 20: ...ump head cover in place 8 Clean the tapped portion of the connecting rod by wiping with a cloth impregnated with solvent 9 Apply a small amount of vacuum grease to the threads on the new diaphragm and...

Page 21: ...opposite pairs to a torque of 11Nm Note Confirm the thing that the pump head spacer has been inserted in the interior Photo 15 and 16 Photo 15 Photo 16 15 Position the top panel and fix it in place wi...

Page 22: ...5 Fit the new inlet and outlet valves Note Ensure that the valves are fitted correctly as shown in Photos 18 and 19 6 Fit the valve retainers to the pump heads Note Ensure that the inlet and outlet v...

Page 23: ...s 1 2 2 Remove the O rings See Photos 20 21 22 3 Clean the inlet and outlet pipes pump heads and valve retainers with solvent 4 Lubricate the entire surface of each O ring with a light coating of vacu...

Page 24: ...amaged components 6 4 Pressure does not diminish 1 Pump is too small for capacity of vacuum vessel 1 Select another pump 2 Pressure measurement is incorrect 2 Measure the pressure correctly 5 1 3 Vacu...

Page 25: ...e 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 Malfunctions caused...

Page 26: ...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 27: ...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...

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