The FREECOOL-HD unit is a vertical standing, intelligent fresh air free cooling system, that introduces lower temperature ambient air into the equipment space, thereby pressurizing the room and displacing the warmer air away from the equipment. The FREECOOL-HD is suitable for both telecom and data center environments.
The FREECOOL-HD uses EC fan technology to automatically adjust the air volume according to the temperature setpoint, providing the lowest power consumption possible.
1 Energy efficiencyBy using the FREECOOL-HD unit, the need to operate |
5 Third-party control (optional)The FREECOOL-HD unit can provide output signals to disable |
2 Ease of maintenanceThe main components such as: fan (s), motor (s), filters, |
6 Remote control and monitoring (optional)The unit can be installed with a RS232 or RS485 |
3 Intelligent controlFREECOOL-HD unit is microprocessor-controlled, providing |
7 Forced dehumidification systemThe unit can be equipped with a PCOWEB Ethernet |
4 EC fanThe fan is the core component of the unit, utilizing EC fan |
8 Humidity controlThe humidity sensor can prevent the introduction of high humidity air into the equipment room. The FREECOOLHD unit will turn off when the |
Functional scheme
Freecool-HD
The FREECOOL-HD unit is controlled via a remote temperature sensor positioned local to the room air discharge (see diagrams
below) or equipment. The fan modulates based on the temperature difference between the setpoint and the actual room
temperature. The FREECOOL-HD can be set up to turn off should the ambient air exceed predetermined setpoints.
Technical specifications
A selection of References

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AIRSYS-FREECOOL-HD-SB-V1.0.pdf (3,039 Kb)
