• DV-display, User Interface for OJ Drives, OJ Electronics A/S

    Local and Remote User Interfaces for OJ Drives®

      3 minutes read

    The OJ GEN II range has been expanded with user interfaces. Based on a 2” color touchscreen, the interfaces are available in a local variant (either pre-installed in the drive or supplied as spare part for simple installation on existing drives) and a remote variant mounted separately from the drive on a DIN rail or …

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  • ISH2025 OJ Electronics A/S

    OJ Electronics to Launch Drives for Scroll Compressors Plus Updates at ISH in Frankfurt

      3 minutes read

    It’s been a busy year for OJ Electronics, and we are looking forward to showing off some of what we’ve been up to at ISH 2025, March 17–21 in Frankfurt. At our stand this year, we’ll be filling visitors in on a range of product improvements – from an impressive software update to our DRHX …

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  • DRHX Software update

    The Best Gets Better
    – DRHX Software Update

      2 minutes read

    DRHX drive for rotary heat exchangers is about to receive a software update that introduces several new features and benefits.Even More Options This latest update is all about giving you and your customers more options – whether during fault-finding and remediation or in connection with retrofitting older systems. Let’s look at these two improvements before …

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  • OJ DV drives now power PMsynRM motors

    DV Drives Now Power
    PMsynRM Motors

      2 minutes read

    The HVAC market has seen growing interest in Permanent Magnet synchronous Reluctance Machine (PMsynRM) motors. Economical, quiet, and free of rare earth materials, these motors are a great alternative for numerous HVAC applications in different markets.   That is why we are pleased to announce that OJ Electronics DV drives can now power the PMsynRM …

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  • DV, DC and DRHX drives and MRHX motors now ignition-protected

    DV, DC and DRHX Drives and MRHX Motors Now Ignition-Protected

      2 minutes read

    We are pleased to announce that all OJ Electronics DV, DC and DRHX drives and MRHX motors are now certified as ignition-protected components. In the United States, Canada and other countries that use the UL standard, this means these products are in compliance with UL 121201 Class I, Division 2. In Europe, the products are …

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  • Stepper motor and OJ Drive for rotary heat exchangers

    Stepper Motors and the Genesis of OJ Electronics Drives

      2 minutes read

    When it comes to powering rotary heat exchangers in a HVAC system, geared motors are the traditional choice. They accommodate a very wide power range, they can deliver very high torque, they are efficient under heavy loads, and they’re widely available from many suppliers worldwide.   In recent decades, however, stepper motors have been become …

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  • Rotary Heat Exchanger

    Not Yet Using Rotary Heat Exchangers? Here’s Why You Should.

      3 minutes read

    Heat exchangers are used to improve the efficiency of HVAC systems in most parts of the world. In regions such as Europe, their use is near-universal, as high energy prices make energy-efficiency not just a “nice to have,” but imperative for profitable operation.   In parts of the world where energy prices aren’t so high, …

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  • OJ Electronics celebrates thirty years of developing and making drives for the ventilation businessOJ Electronics celebrates thirty years of developing and making drives for the ventilation business

    30 Years of Drives Expertise

      5 minutes read

    This year, OJ Electronics celebrates thirty years of developing and making drives for the ventilation business. We take a look at how it all began - and how we arrived at the exponential growth that has seen OJ Electronics sell more than a million drives so far. A figure that promises to rise steeply in …

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  • European Union updated its F-gas Regulation

    On Top of the New F-gas Rules? Here’s What They Mean for Integrating Heat Pumps Into Your AHU Designs

      2 minutes read

    On February 7, 2024, the European Union updated its F-gas Regulation, which governs the use of fluorinated greenhouse gases (F-gases) in AHU and other systems. This will impact the design choices you make starting almost immediately. We hope this short article will help you as you design tomorrow’s compliant air-handling solutions. F-gas Basics and the …

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  • Air Handling Unit, OJ Electronics A/S

    Pros and Cons? Comparing Programmable and Configurable Controllers in Air Handling Units

      6 minutes read

    What is most important to you when selecting controllers for your AHU systems? Adaptability? Affordability? Standing out from the crowd? Something else entirely? Here, we explore the relative merits of programmable and configurable controllers in detail. The choice between programmable and configurable controllers can play a crucial role in determining the cost-efficiency, flexibility, adaptability, and …

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