Riken Keiki RP-D58 AC Operating Manual
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Riken Keiki RP-D58 AC Operating Manual

Riken Keiki RP-D58 AC Operating Manual

Fixed type explosion-proof pump unit
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PT9E-0128
Fixed type Explosion-Proof Pump Unit
RP-D58・AC
RP-D58・DC
Operating Manual

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Summary of Contents for Riken Keiki RP-D58 AC

  • Page 1 PT9E-0128 Fixed type Explosion-Proof Pump Unit RP-D58・AC RP-D58・DC Operating Manual...

  • Page 2: Table Of Contents

    <Contents> 1. Outline of the Product ......................1 1-1. Preface ..........................1 1-2. Purpose of use ........................ 1 1-3. Definition of DANGER, WARNING, CAUTION, and NOTE ..........2 1-4. Method of confirmation for Standards and Explosion proof specification ......2 2.

  • Page 3: Outline Of The Product

    1 Outline of the Product 1-1. Preface Outline of the Product 1-1. Preface Thank you for choosing our fixed-type explosion-proof pump unit RP-D58 series. Please check that the model number of the product you purchased is included in the specifications on this manual. This manual explains how to use the pump unit and its specifications.

  • Page 4: Definition Of Danger, Warning, Caution, And Note

    1 Outline of the Product 1-3. Definition of DANGER, WARNING, CAUTION, and NOTE 1-3. Definition of DANGER, WARNING, CAUTION, and NOTE This message indicates that improper handling may cause death or serious DANGER damage on health or assets. This message indicates that improper handling may cause serious damage on WARNING health or assets.

  • Page 5: Important Notices On Safety

     Do not attempt to repair the pump unit by the user.  For the lid, use hexagon socket head bolts specified by RIKEN KEIKI.  The drive lid must be closed during use (except during maintenance).

  • Page 6: Warning Cases

    2 Important Notices on Safety 2-2. Warning cases 2-2. Warning cases WARNING Power supply Before turning on the pump unit, always check that the voltage is properly applied. Do not use an unstable power supply because it may cause malfunctions. Need of grounding circuit Do not cut the grounding circuit or disconnect the wire from the grounding terminal.

  • Page 7: Precautions

    2 Important Notices on Safety 2-3. Precautions 2-3. Precautions CAUTION Do not use a transceiver or other equipment near the pump unit. Radio wave from a transceiver near the pump unit or its cables may disturb operations. If a transceiver is used, it must be used in a place where it disturbs nothing. To restart the pump unit, wait for five seconds or more before doing it.

  • Page 8: Safety Information

    2 Important Notices on Safety 2-4. Safety Information 2-4. Safety Information Necessary information for explosion proof construction of Model RP-D58・AC／RP-D58・DC. This product is an explosion-proof pump which is basically installing fixed place. There is one point of contact and works by trouble. <ATEX Specifications>...
  • Page 9 2 Important Notices on Safety 2-4. Safety Information <ITRI Specifications> Technical Data (Protection Method) Flameproof enclosure (Explosion-proof class) Ex d ⅡB+H2 T4 Gb X (Ambient Temperature) Type AC: -20C to 50C Type DC: -20C to 53C (Electrical Data) Supply voltage : Type AC: AC100～110V 50/60Hz 120mA Type DC: DC24V 360mA Contact output :...
  • Page 10 2 Important Notices on Safety 2-4. Safety Information <TIIS Specifications> Technical Data (Protection Method) Flameproof enclosure (Explosion-proof class) Ex d ⅡB+H2 T4 (Ambient Temperature) Type AC: -20C to 50C Type DC: -20C to 53C (Electrical Data) Supply voltage : Type AC: AC100～110V 50/60Hz 120mA Type DC: DC24V 360mA Contact output : AC250V 0.5A(Load resistance)

  • Page 11: Product Components

    3 Product Components 3-1. Main unit and standard accessories Product Components 3-1. Main unit and standard accessories <Main Unit> (including cable glands) Gas outlet Gas inlet 4-φ 7 (for M6) Display Cable connecting port Cable connecting port for pump power Unit: mm RP-D58 Series - 9 -...
  • Page 12 3 Product Components 3-1. Main unit and standard accessories <Standard Accessories>  Operating manual  Dedicated handling lever ......1 lever  Dedicated control key ......The control key quantity depends on the number of pump unit to be delivered. 1 - 10 units 1 key 11 - 20 units...

  • Page 13: Names And Functions For Each Part

    3 Product Components 3-2. Names and functions for each part 3-2. Names and functions for each part <Display> (6) Fault lamp (5) Power lamp (3) ▲ key (1) MENU/ESC key (7) Status display (4) ▼ key (2) SET/ALM key Used to enter the maintenance mode. MENU/ESC key * It is also used to cancel in a specific mode.
  • Page 14 3 Product Components 3-2. Names and functions for each part <Inside of the main unit> (Electric circuit section) (1) Terminal plate (5) Fuse (for power supply) (2) Terminal plate (for transmission) (3) Power switch (4) Grounding terminal * The figure above shows RP-D58·AC.
  • Page 15 The bolt with the hexagon socket must use the stainless steel material of property class "A2-70".  Grease specified by RIKEN KEIKI : BARRIERTA JFE 552 (manufactured by NOK KLUBER) If you can not prepare the specified grease, use one that meets the following requirements.

  • Page 16: Block Diagram

    3 Product Components 3-3. Block diagram 3-3. Block diagram <Electric Diagram> RP-D58·AC Power supply part Pump POWER INPUT (100-110 VAC) AC/DC converter POWER OUTPUT (24 VDC) Display (POWER) (FAULT) Seven-segment LED (four-digit) Controller (CPU) Magnetic operation part (MENU/ESC) (▲) (▼) (SET) Flow sensor RP-D58 Series - 14 -...
  • Page 17 3 Product Components 3-3. Block diagram <Electric Diagram> RP-D58·DC Power supply part Pump POWER INPUT (24 VDC) Display (POWER) (FAULT) Seven-segment LED (four-digit) Controller (CPU) Magnetic operation part (MENU/ESC) (▲) (▼) (SET) Flow sensor RP-D58 Series - 15 -...

  • Page 18: How To Use

    4 How to Use 4-1. Before using the pump unit How to Use 4-1. Before using the pump unit Not only the first-time users but also the users who have already used the product must follow the operating precautions. Ignoring the precautions may damage the pump unit, resulting in inaccurate gas detection. 4-2.

  • Page 19: Precautions For System Designing

    4 How to Use 4-3. Precautions for system designing Keep the pump unit (and its cables) away from noise source devices. When selecting installation points, avoid a place where high-frequency/high-voltage devices exist. Do not install the pump unit in a place where maintenance of the detector head cannot be performed or where handling the pump unit involves dangers.
  • Page 20 4 How to Use 4-3. Precautions for system designing Introducing protective measures against lightning If cables are installed outside the factory/plant, or if internal cables are installed in the same duct as the cables coming from outside the factory/plant, "lightning" will cause problems. Because lightning acts as a large emission source while cables act as a receiving antenna, devices connected to the cables may be damaged.

  • Page 21: How To Install

     Tighten the hexagon socket head cap bolt fixing the lid and the main body with a tightening torque of 215.6 ±24.5N･cm.  When closing the lid of the detector, make sure that there is no dust on screw, surfaces of the main body and lid. Then apply grease as specified by RIKEN KEIKI. RP-D58 Series - 19 -...
  • Page 22 CAUTION Grease specified by RIKEN KEIKI : BARRIERTA JFE 552 (manufactured by NOK KLUBER) If you can not prepare the specified grease, use one that meets the following requirements. 1. Material does not harden due to deterioration 2.

  • Page 23: How To Wire

    4 How to Use 4-5. How to wire 4-5. How to wire WARNING  When installing the electric circuit lid, do not let any foreign substance such as metal get into the terminal box. This can cause a failure of the device or loss of explosion-proof performance. ...
  • Page 24 4 How to Use 4-5. How to wire ＜ITRI Specifications＞ Cable outer diameter Rubber seal inner diameter Washer inner diameter Eccentric washer (mm) (mm) (mm) inner diameter (mm) 9.0 -9.6 10 10 9.8 9.6 -11.0 11 14 11.8 11.0 -12.0 12 14 12.8...
  • Page 25 4 How to Use 4-5. How to wire <Figure of Terminal Plate> RP-D58·AC Contact Contact (Not used) Pump power supply 100 - 110 VAC input RP-D58·DC Contact Contact (Not used) ＋ － Pump power supply 24VDC input NOTE  Open the electric circuit lid. Remove the electric circuit lid and display unit to find behind them the terminal plate shown in the figure above.
  • Page 26 4 How to Use 4-5. How to wire <Specifications of Terminal Plate> Specifications of terminal plate  Rated voltage: 250 VAC  Rated current: 12 A However, it depends on the cables to be used. Connection conditions  Cables: 0.25 - 2.5 mm ...
  • Page 27 4 How to Use 4-5. How to wire NOTE <How to Use the Dedicated Handling Lever> While holding down the lever, insert the wire Push the lever with your finger into the (round) wiring hole until it reaches to lower the spring in its inside. the deepest point.
  • Page 28 4 How to Use 4-5. How to wire <Attaching External Cable> As shown on the figure below, attach the parts in the following order: cable gland, eccentric washer, washer, and rubber seal to the cable, then connect the cable into the main unit, then screw the cable gland to tighten the rubber seal.
  • Page 29 4-5. How to wire CAUTION Grease specified by RIKEN KEIKI : BARRIERTA JFE 552 (manufactured by NOK KLUBER) If you can not prepare the specified grease, use one that meets the following requirements. 1. Material does not harden due to deterioration 2.
  • Page 30 4 How to Use 4-5. How to wire <Grounding> Connect the detector head to your grounding terminal with the external grounding terminal. WARNING  Before turning on the pump unit, do not forget to connect it to a grounding terminal. ...

  • Page 31: How To Tube

     To remove dust, never fail to attach the supplied dust filter in the middle of the tube.  It is needed to decide the length and material of the tube. Please contact RIKEN KEIKI for more information.

  • Page 32: How To Operate

    5 How to Operate 5-1. Preparation for start-up How to Operate 5-1. Preparation for start-up Before supplying power, read and understand the following precautions. Ignoring these precautions may cause an electric shock or damage the pump unit.  Check that the pump unit is installed properly. ...

  • Page 33: How To Start The Pump Unit

    5 How to Operate 5-3. How to start the pump unit 5-3. How to start the pump unit  Before supplying power to the pump unit, check that the preparation for start-up is completed.  Open the electric circuit lid.* ...

  • Page 34: How To Exit

    5 How to Operate 5-4. How to exit 5-4. How to exit  Turn OFF the power switch of the indicator/alarm unit.*1  Turn off the power supply to the pump unit.  Open the electric circuit lid.*2  Turn OFF the power switch of the pump unit.*2 ...

  • Page 35: Alarm Activation

    After the pump unit is successfully returned from the fault, it restarts with the process normally performed right after it is turned on (initial clear). If the pump unit has problems and is repeatedly malfunctioning, contact RIKEN KEIKI immediately. <Low Flow Rate Abnormal Operations>...

  • Page 36: Maintenance

    7 Maintenance 7-1. Maintenance intervals and items Maintenance The pump unit is an important instrument for the purpose of safety. To maintain the performance of the pump unit and improve the reliability of safety, perform a regular maintenance. Continuing to use the pump unit without performing a maintenance will compromise the sensitivity of the gas sensor, thus resulting in inaccurate detection.
  • Page 37 7 Maintenance 7-2. Maintenance mode (Regular maintenance) 7-2. Maintenance mode (Regular maintenance) WARNING After the adjustment is completed, never fail to press MENU/ESC key to return to the detection mode. (If the detector head remains in the maintenance mode, it automatically returns to the detection mode in ten hours.) Mode Item...
  • Page 38 7 Maintenance 7-3. Flow sensor setting 7-3. Flow sensor setting <Flow Sensor Setting “2-6”> Flow rate zero adjustment "2-6.1" This is used to perform the zero adjustment on the flow sensor. CAUTION  Before starting the zero adjustment of the flow sensor, remove the pump and wait until the flow sensor output is stabilized.
  • Page 39 7 Maintenance 7-3. Flow sensor setting <Low Flow Rate Threshold Setting “2-6.2”> This is used to set the threshold value for low flow rate. CAUTION Set the threshold value for low flow rate to one of the symbols ("a" to "e") printed on the flow sensor. If any other setting is used, the low flow rate function may not operate correctly.
  • Page 40 7 Maintenance 7-3. Flow sensor setting <Flow Sensor Operation Start Setting “2-6.7”> This is used to set the flow sensor operation start. CAUTION  Make this setting only once at the operation start of the flow sensor.  Make this setting after conducting the flow rate zero adjustment and setting the threshold value. 2-6.7 2- 6.7 ◎...
  • Page 41 7 Maintenance 7-4. How to maintain flow sensor 7-4. How to maintain flow sensor Remove the pump. ↓ 2-6.3 Flow sensor zero point check 2- 6.3 ◎ ○ ○ Press the SET key. ↓ ↓ Flow sensor zero point check ◎...

  • Page 42: Parts Replacement

    4. After installing the sensor, attach the sensor cap and tighten the hexagon socket bolt. NOTE Adjustment is required after the flow sensor or pump is replaced. Please contact RIKEN KEIKI. As a guide, replace the sensors of the pump unit with new ones every one to three years.

  • Page 43: Storage, Relocation And Disposal

    CAUTION When using a relocated or stopped/stored pump unit again, do not forget to perform a check. For information on check, please contact RIKEN KEIKI. 8-3. Disposal of products When the pump unit is disposed of, it must be treated properly as an industrial waste in accordance with the local regulations.

  • Page 44: Troubleshooting

    This simply helps to find the causes of malfunctions which frequently occur. If the pump unit shows a symptom which is not explained in this manual, or still has malfunctions even though remedial actions are taken, please contact RIKEN KEIKI. <Abnormalities on Unit>...

  • Page 45: Product Specifications

    10 Product Specifications 10-1. List of specifications Product Specifications 10-1. List of specifications [RP-D58•DC]＜ATEX Specifications＞ Model RP-D58・DC Display Seven-segment LED(four-digit) Flow rate 1.0 L/min or more (at maximum suction pressure of 5.0 kPa <gauge pressure>) Power display POWER lamp on (green) External output Fault alarm contact Fault alarm/self...
  • Page 46 10 Product Specifications 10-1. List of specifications [RP-D58•AC]＜TIIS Specifications＞ Model RP-D58・AC Display Seven-segment LED(four-digit) Flow rate 1.5 L/min or more (at maximum suction pressure of 5.3 kPa <gauge pressure>) Power display POWER lamp on (green) External output Fault alarm contact Fault alarm/self System abnormality/low flow rate diagnosis...
  • Page 47 10 Product Specifications 10-1. List of specifications [RP-D58•DC]＜TIIS Specifications＞ Model RP-D58・DC Display Seven-segment LED(four-digit) Flow rate 1.0 L/min or more (at maximum suction pressure of 5.0 kPa <gauge pressure>) Power display POWER lamp on (green) External output Fault alarm contact Fault alarm/self System abnormality/low flow rate diagnosis...
  • Page 48 10 Product Specifications 10-1. List of specifications [RP-D58•AC]＜ITRI Specifications＞ Model RP-D58・AC Display Seven-segment LED(four-digit) Flow rate 1.5 L/min or more (at maximum suction pressure of 5.3 kPa <gauge pressure>) Power display POWER lamp on (green) External output Fault alarm contact Fault alarm/self System abnormality/low flow rate diagnosis...
  • Page 49 10 Product Specifications 10-1. List of specifications [RP-D58•DC]＜ITRI Specifications＞ Model RP-D58・DC Display Seven-segment LED(four-digit) Flow rate 1.0 L/min or more (at maximum suction pressure of 5.0 kPa <gauge pressure>) Power display POWER lamp on (green) External output Fault alarm contact Fault alarm/self System abnormality/low flow rate diagnosis...

  • Page 50: Detection Principle

    10 Product Specifications 10-2. Detection principle 10-2. Detection principle [Flow Sensor] The flow sensor has a circuit that can output a contact signal when the flow rate drops below the preset level. The flow sensor is a hot-wire type with a Wheatstone bridge consisting of a detecting element, compensating element, and fixed resistance.
  • Page 51 10 Product Specifications 10-2. Detection principle RP-D58 Series - 49 -...

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Rp-d58 dc

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