1. ...save energy & reduce your costs
Free Cooling
...save energy & reduce your costs

2. Regions of the world for Free Cooling

3. ...for your data centres and switches
Dynamic Free cooling
...for your data centres and switches

4. Free cooling Retrofit principle for Shelters
Air inlet grill
STULZ Free Air
Fixation on the wall
Overpressure grills
Fresh air inlet
From the bottom side
Hot air outlet

5. Freecooling challenge
For BTS sites equipped with split comfort
Reduction of the operating cost
Total control of existing split comfort unit
Use the full potential of Energy-saving
Reduction of the Carbone footprint

6. Intelligent system and control
Existing Air con /Shelter
Including
Remote control on/off and alarms
Add Free cooling Box

7. Main technical features
STULZ Free Air : Description
One single frame (600x640x600 mm)
Cooling capacity until 6000W
Power supply = 48VDC
Electronic control
Control and management of comfort split
Variable speed control of EC fan:
Low noise emission
Reduction of power consumption
Free cooling Box
* With DT=10°C

8. Standard Intelligence
System intelligence includes:
Take over of the whole system control through Microprocessor controller
Remote control on/off incl. alarms
Monitoring system
probes for monitoring split comfort (with 3,5MT cable)
screw terminals for digital inputs (on/off split unit) and outputs (up to 9 alarms)
48VDC modulating FCB-fan
Airflow and clogged filter signal

9. Airflow automatically adjustable with outdoor temp
Cosmotec is 12 years old and is now worlwide present in the precision cooling market for industry and telecomunication.
Since 1997 we are ISO 9001 certified.

10. Full potential of Energy Saving
Frankfurt Temperature profile
Heat Load = 3500W
Using FCB35 and Split Comfort data
80% Energy saving

11. Free cooling Conclusion
Save your Money
REDUCE COSTS
Use intelligent system
With FREE COOLING
Preserve your environment

12. … and its qualified and professional partners – worldwide.
Headquarter
Find STULZ ...
Germany
Production Sites
Germany
Italy
USA
India
… and its qualified and professional partners – worldwide.
China