OVERPRESSURE KIT WITH STANDBY FAN
Overpressure kit with standby fan comprised of a control panel (BOXPRES KIT II) with a built-in automatic switching system that maintains the overpressure in the event of a failure in the main fan and air impulsion units with a back-up fan.
The BOXPRES control panel not only complies with the strictest requirements, it simplifies the work for the installer.

It includes :

• A frequency changer programmed at 50 Pa.
• A differential pressure probe.
• A magnetothermal switch.
• A line and failure led lamp.
• A check push button.

All the BOXPRES equipment interconnections have been made and tested. Ready to operate and execute its function of controlling the installation pressure. Option of checking the installation to prevent failures. Only the power supply line, impulsion fan and fire signal need to be connected.

The single-phase panels include:

• A voltage adjuster programmed at 50 Pa.
• A differential pressure probe outside the equipment.