DESCRIPTION |
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- Compatible with 400х200, 500х250, 500х300, 600х300, 600х350 and 800х500 mm rectangular air ducts.
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CASING |
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FILTER |
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HEATER |
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Water/glycol heaters are used for heating of supply air in cold season.
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Tubular heating elements of the electric fan heater are ribbed to increase the heat exchange surface area and heat transfer to supply air.
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- The water heaters are designed for max. operating pressure 1.0 MPa (10 bar) and max. operating temperature 95 °C of the heat medium.
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FAN |
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CONTROL AND AUTOMATION |
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MPA...W control and protection functions
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- switching the unit motor on/off;
- three-speed fan selection;
- maintaining set supply air temperature by means of controlling the circulating pump and heat medium regulating valve;
- water heater freezing protection by the temperature sensor at outlet from the heating coils and the return heat medium temperature sensor;
- control and regulation of the external circulation pump installed at the heat medium supply line to the water heater (mixing unit pump);
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- control of the compressor and condensing unit of the water cooler by the room temperature sensor (for the models equipped with a duct air cooler);
- supply fan control and regulation;
- filter clogging control;
- actuating the external air damper with a return spring;
- unit shut down at signal from the fire alarm system.
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- The mixing unit USWK with three-way heat medium regulating valve and circulation pump provides smooth heating capacity regulation and minimizes the water heater freezing danger.
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MOUNTING |
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The supply unit can be mounted on the floor, suspended to the ceiling by means of a seat angle with a flexible connector or fixed to the wall using brackets.
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The unit can be installed either in such service spaces as balcony, storeroom, basement, roof space or in main premises above the suspended ceiling, in the pocket or placed directly in the room.
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The unit can be mounted in any position but the vertical one with air downstream because the heating elements are not allowed under the fan.
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Access for the unit maintenance and filter cleaning shall be provided.
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ACCESSORIES TO SUPPLY UNITS: |
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SFK
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SF |