Ulvac DTC-22 User Manual
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Ulvac DTC-22 User Manual

Diaphragm-type dry vacuum pump
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No．2001700-2-01-7
User's Manual
Diaphragm-type Dry Vacuum Pump
Model: DTC-22, 22K
DTC-22K
DTC-22
Request 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 this manual is subject to
changes in dimensions and specifications without prior
notice.
ULVAC KIKO,Inc.

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Summary of Contents for Ulvac DTC-22

  • Page 1 No．2001700-2-01-7 User’s Manual Diaphragm-type Dry Vacuum Pump Model: DTC-22, 22K DTC-22K DTC-22 Request 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...

  • Page 2: Table Of Contents

    Contents Pages with a shaded background are those which contain items related to safety. Before Using the Equipment ....................01 Checks When Opening Packaging ..................02 Using the Pump Safely ......................03 • Safety icons ........................03 • Cautions for Safety in Use ....................04 1.
  • Page 3 DTC-22KDimensions ....................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 for Maintenance and Inspection .............. 8...

  • Page 4: Before Using The Equipment

    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.

  • Page 5: Checks When Opening Packaging

    Checks When Opening Packaging Check the following after opening the packaging. (1) Is the product as you requested? (2) Are the accessories and necessary parts included? Standard accessories ･User’s manual -------------------- x 1 ･Inlet and outlet caps (fitted to inlet and outlet) -------------------- x 2 ･Power plug adapter (attached to power cord) -------------------- x 1...

  • Page 6: Using The Pump Safely

    Using the Pump Safely To ensure that the pump is handled correctly, read this section thoroughly before use. This manual and the warning labels on the pump include safety icons as an aid to understanding safety requirements. These safety icons warn the operator and others of possible dangers and damage and should always be followed.

  • Page 7: Cautions For Safety In Use

    Cautions for Safety in Use Danger Applications This pump is not designed to be explosion-proof, and should therefore not be used to discharge explosive gases. In addition to discharge of gas via the outlet, gas may also leak from other parts of the pump, and it should therefore not be used with toxic gases.
  • Page 8 Warning Operation (15) This pump is not designed to be explosion-proof. When using the pump, ensure that there are no inflammable materials such as solvents, or explosive gases, in the vicinity. Use under such conditions may result in injury or fire. (16) Inserting fingers or objects into the motor inlet may result in electric shock, injury, or fire.
  • Page 9 Corrosion-resistant plastic is used in the external covering of the DTC-22, however it is not resistant to all chemicals. Ensure that the following chemicals do not come in contact with the pump. Any chemical, including the following, which comes into contact with the pump should be wiped off immediately.
  • Page 10 Note Installation Ingestion of liquids or compressed and gases into the pump will result in damage and prevent proper operation. Ingestion of rubbish and dust in the air entering the pump will interfere with its proper function. If the air is likely to contain rubbish or dust, a filter should be fitted to the inlet to protect the pump. Ducting should always be fitted to the pump outlet if toxic corrosive gases, or steam, enters the pump.

  • Page 11: Product Outline

    (4) Corrosion-resistant plastic is used in the external covering of the DTC-22 however it is not resistant to all chemicals. Note Ensure that the following chemicals do not come in contact with the pump.

  • Page 12: Specifications

    1.2 Specifications Table 1.1 Product Specifications Model DTC-22 50Hz 20L/min Discharge rate 60Hz 24L/min Pressure achieved 1.0kPa Single phase, Single phase Single phase Single phase Single phase, AC 100 V ,AC 115 V ,AC 200 V ,AC 220 V AC 230 V Motor (±10%)

  • Page 13: Thermal Protection Relay

    2) It is recommended that additional protective devices (eg. earth leakage breaker, motor breaker) be fitted. Warning See Warning (8), P04 See Caution (5), P05 Caution 2. Dimensions Top (width 142mm) Front (length 272mm) Front (height 202mm) Fig.2.1 DTC-22 Top (width 125mm) Front (length 247mm) Front (height184mm) Fig.2.2 DTC-22K...

  • Page 14: Installation And Storage

    3. Installation and Storage 3.1 Cautions for Installation and Storage See Warning Warning (1)(2)(3)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14), P04 Caution See Caution (1)(2)(3), P05 See Note (1)(2) , P06 Note (7), P07 3.2 Environmental Conditions for Installation, Storage, and Operation The fine clearances used in this pump require that the following conditions be satisfied during storage, installation, and operation.

  • Page 15: Piping

    3.5 Piping 1) Install piping carefully to prevent leaks. 2) Piping connected to the inlet should be at least 6 mm inside diameter. 3) Use rubber hoses, etc. to ensure that pump vibrations do not reach between the pump and piping, otherwise the pump or piping may be damaged.

  • Page 16: Precautions When Starting

    2) The pump operates automatically when temperature drops. Shut-off the power supply, and determine the cause of operation of the thermal protection relay. 3) Once the cause of the fault has been removed, wait until the motor cools and restart operation.

  • Page 17: Maintenance, Inspection, And Repair

    6. Maintenance, Inspection, and Repair 6.1. Cautions for Maintenance, Inspection, and Repair Danger See Danger (3), P04 See Warning (4),P04 Warning (17)(18), P05 Caution See Caution (9)(10)(11), P06 Note See Note (12), P07 Maintenance and repair by the customer’s repair technician is limited to the following procedures. Do not undertake other repairs, or make modifications other than the standard options supplied by the manufacturer.
  • Page 18 <Replacement Guide> Replace or clean components if performance is reduced or the following symptoms become apparent. Table 6.2 Locations for Maintenance and Inspection Period of Method of Inspection item Replacement guidelines operation inspection Wear of PTFE components, Visual Diaphragms deformation, hardening, or inspection cracking of rubber components Inlet and outlet valves...
  • Page 19 (It is recommended that both diaphragms be replaced simultaneously.) Caution! Where gloves when attaching or removing the diaphragms. There is a danger of injuries. Use toolsNo.1,2,3,4,5,6､7 and8 listed above 1) -1. DTC-22 Hex socket head bolt Truss head Truss head screw...
  • Page 20 (5) Withdraw the connecting tube from the valve retainer, and disassemble the left and right pump heads. See Photo 5. Bottom dead center Top dead center Diaphragm Spacer Connecting rod Photo 8 Photo 9 Photo 10 (6) When one diaphragm is pushed downwards (to bottom dead center), the other diaphragm rises (to top dead center).
  • Page 21 (16) Lay in the pump on its side, and fix the front panel in place with the truss head screws (M4x10). (17) Stand the pump upright, and fit the inlet and outlet pipes. 1) -2. DTC-22K * Replace the diaphragm as shown in ‘DTC-22, (4)~(14)’.
  • Page 22 Note: Repeatedly tighten bolts in diagonal pairs to 0.4Nm. (7) Connect the two pump heads and fit to the casing. Fit in the sequence described in 1) Replacing Diaphragms, (11)~(17). 2) -2. DTC-22K * Replace the inlet and outlet valves as shown in DTC-22, (2)~(7).

  • Page 23: Replacing O Rings

    3) Replacing O Rings (it is recommended that O rings be replaced simultaneously with diaphragms) Use tools No.1, 2, 3, 4, 5, 6､7 and 8. Common procedure for DTC-22 and DTC-22K O ring (AS568-110) For 22K For 22 O ring...

  • Page 24: Troubleshooting List

    Troubleshooting List Table 6.3 Troubleshooting List Problem Causes Solutions Reference (1) Not connected to power supply. (1) Connect power supply. (2) Switch is OFF. (2) Set switch to I. (3) Ensure that voltage variation is within (3) Problem with power supply voltage. +/-10%.

  • Page 25: In Conclusion

    7. In Conclusion Please contact the manufacturer’s sales division if you have any questions. Warranty (1) The warranty for this pump (this equipment) extends for a period of one year from the date of shipment. (2) Any malfunctions or defects which occur under normal usage conditions during the warranty period will be repaired free of charge.

  • Page 26: Usage Status Check Sheet

    Usage Status Check Sheet (for use in Instruction Manual) * For the purpose of safety control of repair personnel, fill in within the heavy line frame and attach the sheet to the item of which repair is requested. * In case this sheet were not attached or filled in, your request of repair and service may not be accepted.
  • Page 27 株式会社アルバック 規格品事業部 東日本営業部 〒253-8543 神奈川県茅ヶ崎市萩園２５００ TEL:0467-89-2416 株式会社アルバック 規格品事業部 西日本営業部 〒532-0003 大阪府大阪市淀川区宮原３-３-３１ 上村ニッセイビル5F TEL:06-6397-2286 ULVAC KIKO,Inc. https://ulvac-kiko.com/en Please contact us for products, Service Base or other Inquiries from here. https://showcase.ulvac.co.jp/en/ ULVAC,Inc. Components Division 2500 Hagisono, Chigasaki, Kanagawa, 253-8543, Japan TEL:+81-467-89-2261...

This manual is also suitable for:

Dtc-22k

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