OJ Electronics DV GEN II Manual
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OJ Electronics DV GEN II Manual

OJ Electronics DV GEN II Manual

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MANUAL
OJ DV GEN II
OJ Drives
®
A DRIVES PROGRAM DEDICATED TO VENTILATION SOLUTIONS

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Summary of Contents for OJ Electronics DV GEN II

  • Page 1 MANUAL OJ DV GEN II OJ Drives ® A DRIVES PROGRAM DEDICATED TO VENTILATION SOLUTIONS...
  • Page 2 MANUAL OJ DV GEN II Content 1. Symbols/definitions ................................... 4 1.1 Warnings regarding electrical installations ............................ 4 2. Safety information ....................................6 2.1 Ensuring safety before installation ..............................6 2.2 Prohibition on use ..................................6 3. Introduction and product presentation ............................6 4.
  • Page 3 The contents of this material may be subject to copyright and other intellectual property rights and are either the property of or used under license by OJ Electronics. The OJ trademark is a registered trademark of OJ Electronics A/S.
  • Page 4 MANUAL OJ DV GEN II 1. Symbols/definitions Warning • This symbol is used where there is a risk of severe or fatal injury. Caution • This symbol is used where potentially dangerous situations may result in minor or moderate injury. The symbol is also used to warn against unsafe and hazardous conditions.
  • Page 5 MANUAL OJ DV GEN II Warning Current hazard due to ground hazard (PE) leakage • Follow national and local regulations regarding the protective earthing of equipment with a leakage current exceeding 3.5 mA. • The OJ DV technology causes switching at a high frequency. This will generate a leakage current in the earth/ground/PE connection.

  • Page 6: Safety Information

    MANUAL OJ DV GEN II 2. Safety information 2.1 Ensuring safety before installation • The OJ DV must only be installed by qualified personnel or people who have received the appropriate training for becoming qualified. • Qualified personnel are knowledgeable about the installation practices and can perform installation in accordance with relevant local and international requirements, laws and regulations.

  • Page 7: Approvals And Certifications

    MANUAL OJ DV GEN II 4. Approvals and certifications 4.1 CE marking • OJ Electronics A/S hereby declares under sole responsibility that the product complies with the following European Parliament directives: • LVD – Low voltage: 2014/35/E • EMC – Electromagnetic compatibility: 2014/30/EU •...

  • Page 8: Harmonic Distortion

    Specified in accordance with IEC/EN 60664. For other grid types with different earthing systems, Corner grounded Delta Grid, Delta-Star grounded grid and HRG, please contact OJ Electronics A/S. 4.11 Built-in protection • If the temperature inside the OJ DV exceeds 95°C/203°F, the OJ DV will attempt to reduce its internal heat generation by its reducing motor speed (rpm).

  • Page 9: Product Use

    MANUAL OJ DV GEN II 5. Product use • The OJ DV is a drive that controls an electronic motor and is primarily used to regulate fan speed. The OJ DV can be used to control AC asynchronous motors and PM motors.
  • Page 10 MANUAL OJ DV GEN II 7. Product label, -ID and -code Fig. 7 7.1 The product label • The OJ DV is equipped with a silver-colored rating plate. • Fig. 7 shows an example of a product label and table 7.1 explains numbers and symbols in connection with labels.
  • Page 11 MANUAL OJ DV GEN II 8. Mechanical drawing: dimensions Fig 8.1 Fig 8.2 40.5mm 50mm 52.25mm 47mm 66.5mm 33mm 1¹⁹/ in 1³¹/ in 2¹/ in 1²⁷/ in 2⁵/ in 1¹⁹/ in 100mm 144mm 40.5mm 50mm 52.25mm 21.5mm 68.5mm 66mm 3¹⁵/ in 5⁴³/ in...

  • Page 12: Mechanical Installation

    MANUAL OJ DV GEN II 9. Mechanical installation Incorrect mechanical installation may cause overheating and impaired performance. • The OJ DV must only be installed by trained/experienced personnel. • To ensure proper cooling of the OJ DV, it must be placed where it is exposed to adequate air flow.

  • Page 13: Electrical Installation

    MANUAL OJ DV GEN II 10. Electrical installation Warning 10.0.1 Safety and protection measures for electrical installation • The OJ DV must only be installed and commissioned by trained/qualified personnel. • Check that the data specified on the motor's rating plate matches the data specified on the OJ DV rating plate.

  • Page 14: Emc-Compliant Installation

    MANUAL OJ DV GEN II • The earth/ground connection must be made in one of the following 3 ways: • Using one PE conductor: When connecting 1 PE conductor, the minimum cross-section should be at least 10 mm2 / 7 AWG •...
  • Page 15 MANUAL OJ DV GEN II 10.2 Terminal and connector overview 10.2.1 Mechanical overview: Table 10.2 Description Description Motor connection terminals 3-point stain relief for RS-485 ribbon cable External fan connection Power terminals (H1=L, N, PE); (H3, H4, H5=L1, L2, L3, PE)
  • Page 16 MANUAL OJ DV GEN II 10.3 Terminals, cable entries and connections 10.3.1 Cable entries, cable glands, and strain relief • The factory-fitted cable glands should be used when inserting power, motor and control cables into the OJ DV. • Tighten the cable glands to ensure ingress protection and strain relief.
  • Page 17 MANUAL OJ DV GEN II 10.3.5 RS-485 interface connection Fig.10.3.5.1 • The OJ DV uses two types of RS-485 interface controls: Modbus and BACnet MS/TP. See the Modbus and BACnet MS/TP protocols for more information. • The OJ DV is equipped with four connectors, three -Add.
  • Page 18 MANUAL OJ DV GEN II Fig.10.3.6.2 Table 10.3.6: Block terminal connections overview Designations Function and recommendation RS-485 interface +10Vdc/ +24Vdc AnalogIn1 Pin 4 in the terminal block can be set as +10Vdc supply Din2 with a current rating of 20mA, or a +24Vdc with a current...
  • Page 19 MANUAL OJ DV GEN II 11. Checklist for mechanical and electrical installation • Before the OJ DV is energized for the first time, its installation and connection must be checked. • Use the table below as a checklist. Item to be checked Description of check √...
  • Page 20 MANUAL OJ DV GEN II 12. Functions 12.1 Quick function overview Functions name Function use and description Function connection/setup STO function (only The drive performs a test of the STO circuit before a motor start, Connect between STO pins and the available in enhanced and continues to monitor STO.

  • Page 21: Switching Frequency

    • Other functions, such as alarm read-out and acknowledgment, are still possible via RS-485 interface even though “Protocol control” is not activated. NOTE! The OJ Electronics web page has the OJ DV Modbus and BACnet MS/TP protocols. 12.5 Vibration detection •...
  • Page 22 MANUAL OJ DV GEN II • The OJ DV can be set to operate constantly with a switching frequency of 8 kHz, 16 kHz or 20kHz, or it can be set to change switching frequency automatically depending on the motor speed (AUTO setting).
  • Page 23 MANUAL OJ DV GEN II 12.8 Motors 12.8.1 Frequency converter mode for asynchronous motors • The OJ DV is factory-set to frequency converter mode for standard asynchronous induction motors (AC-IM), and the control mode is 0-10VDC input. • This can be changed using the OJ-DV PC Tool or OJ-DV-HMI-35T.
  • Page 24 MANUAL OJ DV GEN II 12.8.2 Electronically-commutated mode (EC mode) – for PM • The OJ DV is factory-set to “frequency converter mode” for standard asynchronous induction motors (AC IM) and the control mode is set for 0-10 VDC input.
  • Page 25 MANUAL OJ DV GEN II 12.9 Speed bypass • With regard to applications suffering from resonance-related issues, it is possible to avoid frequencies that trigger resonance by programming the OJ DV to jump frequencies. It is possible to avoid three different frequency bands.
  • Page 26 MANUAL OJ DV GEN II 13.1.2 Modbus communication The OJ DV is supplied with the factory setting (see table 13.2): Table 13.2 Setting range Unit Factory settings Address 1-247 54 dec Baud rate 9.6, 19.2, 38.4, 57.6, 115.2 38.4 kbs...
  • Page 27 DV-HMI-35T is set to “Manual override,” the OJ-DV-HMI-35T will be able to take over control of the OJ DV until communication is re-established between the controller and the DV, or the “manual override” has been deselected. For further information, please refer to separate OJ-DV-HMI-35T instructions or contact OJ Electronics A/S. 14.3 DV Local User Interface.
  • Page 28 The OJ-DV PC Tool is solely used by fan and system manufacturers. For further information on OJ-DV PC Tool operation and menus, please see the OJ-DV PC Tool instructions found on OJ DVs web page or contact OJ Electronics A/S. Note OJ DV configuration and updates using the OJ-DV PC Tool.

  • Page 29: Technical Specifications

    MANUAL OJ DV GEN II 16. Technical specifications 16.1 Drive specifications Type DV-1005 DV-1007 DV-1011 DV-1013 Frame size Power size 0.75 Horsepower Efficiency > 94% Power supply 1 x 230 VAC 50/60 Voltage 1 x 208-277 VAC 50/60 Hz +/-10% Hz +/-10% Supply current at max.
  • Page 30 MANUAL OJ DV GEN II Type DV-3015 DV-3024 DV-3030 DV-3040 DV-3055 DV-3065 DV-3075 DV-3110 DV-3150 Frame size Power size Horsepower 10.0 14.7 20.1 Efficiency > 96.5% > 96.5% > 97.5% Power supply 3 x 208 - 240 VAC 50/60 Hz +/-10% *1...
  • Page 31 MANUAL OJ DV GEN II Type DV-6024 DV-6030 DV-6040 DV-6055 DV-6075 DV-6110 DV-6150 Frame size Power size Horsepower 10.0 12.7 20.1 Efficiency > 96.5% > 97.5% Power supply Voltage 3 x 460 - 600 VAC 50/60 Hz +/-10% Supply current at max. load at nominal 3.9/3.0...

  • Page 32: Cable Requirements

    MANUAL OJ DV GEN II 16.2 Cable requirements • All cables and conductors used in connection with the OJ DV must comply with local and national rules and regulations. • The OJ DV product line fulfills the “residential level” for emissions as per EN/BS-61000-6-3.

  • Page 33: Maintenance, Storage And Disposal

    • The OJ DV cannot be repaired on site. Never attempt to repair a defective unit! Contact your supplier to obtain a replacement. • Additional technical data are available from OJ Electronics A/S upon request. 17.2 Storage • The OJ DV should be stored indoors, preferably in the original packing.

  • Page 34: Troubleshooting

    MANUAL OJ DV GEN II 18. Troubleshooting 18.1 Alarms and overview • The OJ DV has a built-in warning and alarm monitor that monitors optimal fault-free operation and triggers a warning or alarm if operational or performance issues are observed.
  • Page 35 MANUAL OJ DV GEN II Alarm/warning overview Motor operation/response Trigger Possible solutions 1. Check earth connections on drive and motor - if connection is loose or missing, mount cables correctly. 2. Check motor cables for damage - if If occurs, the set numbers of retries (5), Earth fault (Only frame damaged, replace cables.
  • Page 36 • Flashes red when at least one warning is active OJ Electronics A/S Stenager 13B DK-6400 Sønderborg Tel.: +45 73 12 13 14 Fax +45 73 12 13 13 oj@ojelectronics.com www.ojelectronics.com Content The trademark is a registered trademark belonging to OJ Electronics A/S · © 2024 OJ Electronics A/S...

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