
Controller Retrofits for AHUs

Rejuvenate your old Air Handling Units with the ISYteq 4.0 controls upgrade kit
A modern control system is one of the most powerful upgrades you can give your old Air Handling Unit. An extended lifespan, more effective monitoring and improved efficiency of your installation are some of the immediate benefits.
FläktGroup’s ISYteq 4.0 is designed from the ground up to be easy to install, commission, connect, use and maintain. It puts smart control functions that brings out the best in FläktGroup’s Air Handling Units right at your finger tips, wherever you are. Either through the intuitive handheld touch panel or the powerful web interface.
The control system provides everything needed to maximise your Air Handling Unit’s potential for good Indoor Air Quality and energy-efficiency

Key benefits
- Better control and monitoring of your equipment
- Higher efficiency with modern control functions
- Increased lifetime of your units
- Cloud ready
- More cost-effective facility management
- Easy-to-use interface
Ask us about Compatibility
We are constantly expanding the range of our upgrade solutions.
Please contact FläktGroup to check current unit compatibility status.
Features of ISYteq 4.0 retrofit kit
Cloud ready
The retrofit upgrade is the first step towards having a connected system that can be monitored and maintained remotely.
Smart Menu
Modern displays in different sizes are guiding the user through the system without any complexity. The functions are the same when connecting to the system with a computer.
BACnet & Modbus compatible
A big advantage of the ISYteq 4.0 control system is the compatibility with different BMS protocols to deliver the highest level of flexibility.
Smart Display
The cloud solution is providing trend data, flow charts, a history of alarms as well as reports. Inputs help to optimise the system and improve the information base.
Energy Monitoring
Measurement of the energy consumption including detailed transcription, allows analysis tasks to increase energy efficiency and the product lifecycle.
Related Products
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- Flexible and tailored – adaptable to any environment for cost, energy, space, and time savings.
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