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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.

  • 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 Air2 Master
    Complete AHU Control System

    The OJ Air2 system has been specially designed to control air handling units and forms a complete control system where all components are fully integrated and optimised.

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  • DRHX-RS-485 & Analog control (1-8Nm)

    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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  • PTH-3×02(-DF)
    Pressure Transmitter with Analogue Output

    This classic range of pressure transmitters is a firm favourite with quality-conscious professionals worldwide.

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  • OJ Air Cloud
    Cloud for AHU and Ventilation Control

    The cloud-based system provides a total overview of all the systems connected to the cloud and their current status.

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  • H1 housing

    OJ-DV
    Drives Dedicated for Ventilation Applications

    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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  • H4 housing

    OJ-DC
    Energy-Efficient Drives for Scroll 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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  • AHC-3000-B
    Compact AHU Controller with Bluetooth

    The standard configuration is simple control of two fans and heat recovery with a 0-10V signal.

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  • OJ-Zonemaster
    Room Control Master

    A system tailored for energy-optimised operation and comfort control in buildings with VAV dampers.

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  • DRHX-Constan speed (1-8Nm)

    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 Air2 HMI 35T
    Touch Control Panel for AHU Controller

    OJ-Air2-HMI-35T is a user-friendly control panel for installation within an air handling unit or on the wall in a room. The panel is used together with an OJ-Air2Master.

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  • PTH-6x0x-2
    Dual-input Pressure Transmitters

    These units have two inputs for pressure and two inputs for temperature. Combining these dual inputs in a single unit makes installation quicker and reduces the risk of mistakes.

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  • DRHX-Constan speed (1-8Nm)

    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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  • AHC-3000-S
    Standard Compact AHU Controller

    The standard configuration is simple control of two fans and heat recovery with a 0-10V signal.

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  • AHC-3000-T
    Compact AHU Controller with Modbus

    The standard configuration is simple control of two fans and heat recovery with a 0-10V signal.

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  • AHC-3000-HMI-35T
    Intuitive Touch Operation of a Compact AHU

    Want to change the temperature setting? Then simply tap the temperature shown on the screen and enter the new setpoint.

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  • OJ-Air2-HMI-20T
    2" Touch Control Panel for AHU Controller

    The touch control panel is ideal for adjusting the comfort level in kindergartens, workshops, sports centres, petrol stations and so on

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  • VTH-6202 / VTH-6242
    Air Quality Sensor

    High performance with a minimum of maintenance.

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  • ETN4
    All-in-one DIN Rail Thermostat

    If you need a thermostat for floor heating control, sauna, frost protection of pipes or cooling applications, the ETN4-1999 gets the job done.

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  • EFS
    Three Phase Power Controllers

    Discontinued product

    EFS is a series of power controllers designed to control temperature via electric heating elements.

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OJ News

AHC-3000 from OJ Electronics
January 2, 2023 How our new AHU control software update will make it easy to connect heat pumps
OJ Compressor Drives
August 12, 2022 How Dedicated Scroll Compressor Drives Can Make Chillers and AHUs More Energy Efficient
OJ at Mostra Convegno 2022
May 24, 2022 Check out our News at Mostra Convegno in Milan
OJ Air2 controller by OJ Electronics
February 16, 2022 OJ Air2 helps make buildings zero-carbon-ready

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oj@ojelectronics.com
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