2 minutes read
New features make these dedicated ventilation drives more flexible, robust, and future-ready. OJ Electronics DV drives are built for ventilation applications where reliability, efficiency, and long service life are essential. Via a new software release (AOC 4.11 and MOC 4.13), we have further strengthened the platform with five new features that address real-world commissioning, efficiency, …
3 minutes read
It’s been a busy year at OJ Electronics, and we’re excited to show you why at this year’s MCE (Mostra Convegno ExpoComfort), March 24–27 in Milan. The biggest news we’ll have to share at MCE is OJ AirTM Plus – our new-generation control platform for ventilation systems. Alongside this, we’ll also present our latest dedicated …
3 minutes read
Dedicated Drives for Ventilation and Compressors AHR Expo 2026 is coming up fast, and we are pleased to announce that we’ll be attending this major event for the global HVACR industry with our own OJ Electronics booth. We are global leaders in developing application-specific, future-ready drives for OEMs – and North America is a market …
4 minutes read
This brief article will discuss the relative advantages and disadvantages of field-installed and factory-installed AHU controllers – and to explain why OJ Electronics takes the factory-installed approach. Let’s Start with the Pros and Cons to Installing Controllers in the Field. The Field-Installed Approach There’s a lot to be said for choosing to install your AHU …
3 minutes read
Choosing the right pulley for your rotary heat exchanger can be trickier than you might think. It’s not rocket science, but there are some calculations you’ll need to make to get it right. This brief article takes you through the process, so you end up with the most cost-efficient setup possible.Pulley and Motor Size The …
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 …
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, …
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 …
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 …
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 …
