The Dual Effect is an energy-saving double-jet door air curtain with or without heating. Only two-thirds of heating power will be required compared to standard air curtains. Sound-and heat-damping internal insulation.
Shock-mounted and separately driven centrifugal fans with thermostat relay s for motor protection. High-efficiency heat exchanger for low temperature heating, made of copper tube with integrally moulded aluminium vanes. Threaded hole M8 for ceiling mounting.
The electronic 5 level comfort control Tronic P for warm heating heating provides standard summer/winter function. An solenoid or a pump with up to 2.5 A could optionally be controlled in the winter-position. It is possible to shunt up to 12 devices. The control panel provides a tree contact (for external release), which can be connected to eve ry GLT or DDC. A 20m cable with integrally moulded plug (excess lengths available upon request) is included in delivery.
For energy saving reasons , a thermostatic 2-way or 3-way valve can be ordered as reasonable to keep the intake air temperature on an even level. It is delivered as loose enclosure and can be fitted easily by the customer.