Electric circular duct heaters/preheaters for ventilation systems EHC ..

The electric circular duct heaters/preheaters are intended to be used for heating clean air in the ventilation systems. Also, heaters/preheaters can be used for heating or preheating functions with air-handling units. The heaters/preheaters can be supplied with or without an installed electronic controller, with a pressure and/or flow monitoring system, with a contactor, or produced according to the client's requirements. The heater/preheater cases are produced from aluzinc coated metal sheets, sealing rubber for a tight connection with the ventilation duct system. The stainless steel tubes of heating elements are used in the heaters/preheaters.

The heater’s standard temperature setpoint is (0...+30). The other temperature setpoints are possible according to a client’s requirements.

The preheater’s standard temperature setpoints are (-10...+20) and (-30...0). The other temperature setpoints are possible according to a client’s requirements.

Preheaters are additionally insulated.