We offer two different flexible and precise AHU controls:

• Modular (central)
• Compact (decentral)

OJ Air2 – control system for AHUs

Controlling air handling units (AHU) with precision is crucial for proper performance. At OJ Electronics, we have spent four decades providing and perfecting control systems for AHUs. So we are very aware that different settings require different things. With OJ Air2, you can get it all.

Pick the level of control you want

Our AHU control range is about quality and choice. Here you can choose between a range of master modules, motor controllers, pressure transmitters, sensors and more. You can install our complete range in your system if you want the full benefit of sophisticated AHU control and simple handling. But you can also scale your system to match project specifications, picking out specific products and control features to give your clients exactly the level of AHU functionality and control they need.

Plug & play solutions

All elements in the OJ Air2 AHU control range fit together perfectly – and many of the products have Modbus technology, which makes cabling and installation a breeze. But our Plug & Play philosophy goes further than that: With OJ Air2 controls inside, your entire AHU is transformed into a single preinstalled unit for effortless installation on-site. We call that QuickPlug™.

Energy savings

The OJ Air controls minimise energy consumption in AHUs in many ways, e.g. through efficient interaction with heat pumps.

Reliable solution

With an OJ Air2 solution, all components of superior, lasting quality fit perfectly. That’s why they will reliably handle every situation with ease.

Individual Zone Control

As OJ Air2 Master can handle four different temperature zones directly, the AHU system is more cost-efficient than ever – and system integration is straightforward.

Easy Integration

Ensuring simpler and faster system integration, the OJ Air2 Master has a BACnet profile Advanced Application Controller (B-AAC) with BTL listing and certificate. This makes BACnet integration simpler and cheaper for system integrators.

• Specifically designed for ventilation systems
• Built-in web server with a simple and intelligent interface
• Simple and reliable

Controls for compact AHUs – AHC-3000 product range

AHU controller for smaller-scale ventilation applications. Here you get genuine OJ quality at cost-efficient prices: the AHC-3000 offers all the standard functions required by most of your customers – and pre-programmed add-on options make the system entirely scalable while avoiding the costs of customised programming.

A simpler controller

Simple, straightforward controller designed for smaller system types such as decentralised ventilation and compact air handling units—and it also lets you benefit from the equally new OJ Air Cloud® system. Here, OJ quality meets cost-efficiency. We believe this will help you create even more competitive solutions—and reach new markets for smaller-scale systems.

The standard version of the AHC-3000 will handle all the essential functions usually required by your customers. Where more complex functionalities are required, these can easily be purchased as add-ons—examples of add-on functions:

• Filter pressure
• Pressure control
• Flow control
• Power read-out
• OJ Air Cloud®

You can add these advanced functions at cost-efficient prices: no customised programming is required, which helps to make the AHC-3000 very competitive.

Accurate pressure transmitters for any application

OJ Air Pressure

The OJ Air Pressure range packs four decades of application know-how into intelligent, simple ventilation controllers and pressure transmitters to fit your specific application needs. This range has exactly what you need to monitor and control airflow and pressure. And with astounding accuracy. Anywhere at all.

Expanded range of pressure transmitters

OJ Electronics was the first to introduce the advanced, easy-to-use, highly accurate pressure transmitters in our PTH series. By popular demand, we have expanded that range, creating variants that are ideally suited for a vast selection of applications. You can get pressure transmitters, ventilation controllers, relays and dual-input pressure transmitters from us.

Choose from pressure transmitters with:

• Analogue output
• Modbus output
• With or without displays
• With relays
• Dual input + Dual temperature input
• Controllers – adjusting motor speed to maintain constant air pressure/flow

The entire range perfectly matches the OJ Drives®, OJ Air2 and OJ GreenZone™ product ranges. And for many other systems, ask us for details on integrating these pressure transmitters in your HVAC applications.

Modbus technology

Many products in the OJ Air Pressure programme are based on Modbus technology, making them very easy to install.

Energy savings

With these pressure transmitters and ventilation controllers, you improve system performance; getting the correct pressure translates into system savings.

Reliable solution

OJ Electronics’ original PTH pressure transmitters set new standards for tried-and-tested accuracy and are used by quality-conscious clients worldwide.