Products

We cover your need for electronic ventilation control 360°

At OJ Electronics, we take a 360° approach to the ventilation business. Yours and ours. This means that you can get everything you need for electronic ventilation control from one supplier. We offer both customer-specified and standard products. And you can be sure that we apply our fifty years of experience in the HVAC business to not only create excellent products, but also maintain full control of every aspect of design, manufacturing, delivery and support.

Products

OJ DV GEN II
Dedicated Drives for Ventilation Applications

OJ DV GEN II is the upgraded version of our successful series of dedicated drives for ventilation applications. This newest version offers improved capabilities while maintaining the same power variants, exact mechanical dimensions, and communication protocols (Modbus and BACnet).

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OJ DV GEN II with User Interface
Drives with User Interface for Ventilation Applications

OJ DV GEN II is the upgraded version of our series of dedicated drives for ventilation applications. The built-in 2” touchscreen with color display lets users
carry out basic set-up and local operation. The intuitive interface also gives access to readouts of a wide range of information. All this facilitates easy troubleshooting and swift responses to alarms.

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OJ-DRHX RS-485 & Analog control
Flexible DRHX with Sophisticated Software

The OJ-DRHX RS-485 & Analog control is equipped with both Modbus RTU, BACnet MS/TP and an 0-10V interface for controlling, making it the perfect choice for refurbishment and much more.

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OJ-DVULH
Ultra-Low Harmonic Drive

The OJ DV Ultra Low Harmonic drive lets you reduce harmonic distortion with an easy-to-install, compact solution. The 3-phase active frontend incorporated into the drive housing eliminates the need for additional filters and cables, enabling you to create fully finished, factory-tested units that offer minimal harmonic distortion.

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OJ-DC
Energy-Efficient Drives for Compressors

Designed for compressors in AHUs and chillers. Built on proven OJ Drives™ technology. With more than 25 years of experience in developing drives for ventilation systems, designing a dedicated drive for scroll compressors was the most natural thing for us to do.

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OJ-DV
Drives Dedicated for Ventilation Applications

Discontinued product
OJ DV has been designed with ventilation applications in mind. It has one focus: to deliver exactly the features and functionalities you need from a ventilation drive, for any fan application.

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OJ-DRHX-Modbus control
This is the Basic Variant in the DRHX Family

It still contains all the needed features and of course the new software rotor monitor/guard and silent motor operation

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OJ-DRHX Constant speed
Accurately Controlled Rotor Speed

The Constant speed variant is the new member of the DRHX family designed with simplicity in mind.

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OJ-DV-600V
DV Drives Designed for up to 600V Supply Voltage

Discontinued product
The OJ DV series now includes six new variants for use with 600V supply voltage. They have all the durability, flexibility and features familiar from the original DV series – making its benefits available to a wider range of
applications worldwide.

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OJ-MRHX
Stepper Motor for Rotary Heat Exchangers

Along with our OJ-DRHX controller, the OJ-MRHX stepper motor program perfectly meets the rotary heat exchanger demands. Being continuously run at low speeds, the MRHX stepper motor ensures a high starting torque and an even torque curve. Also, it has a smaller carbon footprint. Using a stepper motor both eliminates all risks of oil leakage and the use of worn-out components.

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OJ-DRHX-Pctool
Service and Engineering PC Tool

Service and engineering PC tool for controlling, monitoring, setting up and configuring OJ DRHX products.

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OJ-VCH-HMI3-6132
OJ Drives Controller

Specifically designed for energy renovation projects, this compact, user-friendly unit offers costeffective control for your ventilation system. You also get control and an intuitive touch-screen interface built into a single product.

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OJ-DA-RUI-20T-24M
Remote User Interface for Use with OJ GEN II Drives

Created for use with the OJ GEN II drives, the Remote User Interface consists of a 2” color touchscreen that can be mounted on a DIN rail or with four screws separately from the drive for easy access. The interface enables easy monitoring of status and operations, basic setup changes, and quick troubleshooting.

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OJ-DV-HMI-35T
Handheld Service Tool for OJ DV, OJ DVULH and OJ DC

A handheld user-friendly interface, build around a 3.5 inch graphical touchscreen dedicated for operating a OJ DV, OJ DVULH and OJ DC drive.

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OJ-DV-HTERM
Handheld Terminal

Discontinued product
OJ-DV Hterm is a handheld terminal for setting up and operating an OJ-DV. The hand terminal can be used to adapt OJ-DV operating parameters to the application concerned. It can also be used to read out current alarms.

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OJ-Drives-Accessories
Extension Cards & Kits

The OJ Drives™ accessories are interface extension cards for mounting inside the OJ Drives range.

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OJ-DV-Pctool
OJ DV Service and Engineering PC Tool

Service and engineering PC tool for controlling, monitoring, setting up and configuring OJ DV products.

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OJ-EC
EC Controller

Discontinued product
OJ Electronics has specialised in electronic controls for ventilation systems for many years.

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OJ-EC-HTERM
Handheld Terminal for OJ-EC Controller

Discontinued product
OJ-EC-HTERM is a handheld terminal used to set operating and motor parameters for an OJ-EC Controller and as well to operate the EC controller.

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OJ-EC-TOOL
Handheld Terminal

Discontinued product
OJ-EC-Tool is a handheld terminal used to set and as well edit operating and motor parameters for an OJ-EC Controller

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