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Heat Recovery Ancillaries
Sensors and Controllers
MVHR S25 Controller Features.
Blauberg’s S25 LCD programmable display is a modern, touch-screen control panel for your MVHR system. This control panel gives you access to all relevant features of your heat recovery system.

• Speed switching - select from trickle, boost and purge ventilation speeds.
• Simple manual speed control, boost and timer override functions.
• 24 hour, 7 day programmable scheduling - set your heat recovery unit to work when you want, how you want.
• Condensation, humidity and temperature monitoring capabilities.
• Allergy sensing, CO₂, VOC, pollen and airborne particle monitoring and control capabilities.
• Automatic summer bypass operation to prevent overheating in summer months.
• Anti-frost ability for increased heat recovery efficiency
• Dirty filter alarms.
• Simple fault finding menu.
• Control of electric and water preheaters and reheaters and coolers.
• Fire alarm connection.
In engineering mode, every element of heat recovery units capabilities can be set up, commissioned, adjusted and password protected including the following:
Fine commissioning speed control adjustment of both supply and extract fans on all speeds to meet building regulation airflow rates.
Set-point adjustment of humidity, temperature, CO2, VOC, PPM filtration, heating, cooling, filter clogging functions.
Link to smart controls for Wifi, router, cloud, ethernet and RS-485 set up functions.