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 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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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-3202-DF / PTH 3203-DF / PTH-3502-DF / PTH-3202 / PTH-3502
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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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 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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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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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-6201-2 / PTH-6202-2 / PTH-6501-2
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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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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