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Heat recovery unit RDAS - 6 Pages

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Heat recovery unit RDAS
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Catalog excerpts

Heat recovery unit RDAS TECHNICAL DATA Heat recovery unit RDAS Heat recovery unit RDAS is based on our RDAR unit and develops this further. The unit has a rotary heat exchanger with stepless speed control. This allows for very precise temperature control, resulting in higher accuracy of the desired supply air temperature. In addition, a function which automatically limits the rotary heat exchanger’s moisture recovery at high levels of humidity in the indoor air, is available as an optional extra. The RDAS unit is equipped with the Fläkt Woods control system Curo®, supplemented by a graphic control panel Curo® Touch or a simpler membrane panel Curo® Basic. The unit is primarily intended for housing units and smaller commercial premises, and can be located in warm or cold spaces. All connections are at the top and the unit can be wall-mounted or placed standing on the floor or lying on the floor with the door facing up. RDAF is delievered with 2 m connection cable for control panel. Energy savings RDAS is a heat recovery unit with low energy consumption. To achieve this, highly efficient EC motors are used. Measurements show that the energy consumption of these motors is just 50% - 60% of the corresponding figure for conventional AC motors. RDAS is equipped with a rotary heat exchanger with a temperature efficiency of up to 85% (conditions according to EN 308). Flow diagram Variable speed rotary heat exchanger Highly efficient EC motors Individually adjustable fans Recommended for residential areas of up to 280 m2 (105 l/s) Supply and extract air flow Does not require draining • Easy to install • Easy to service • Automatic limit on moisture recovery (optional) • Graphic control panel Curo® Touch (optional) • Modbus communication Product code example: RDAS-1-1-1-2-0-5-1 Heat recovery unit RDAS with post-heating, moisture control, stan­ dard filter and Ethernet connection. Product facts Fläkt Woods We reserve the right to make changes

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Heat recovery unit RDAS TECHNICAL DATA Description, electrical data, control equipment Main parts of the unit 1 Electrical data Voltage: 230V, single phase 50 Hz. Fan motors Rated output, W Rated output applies when both pre- and post-heating devices are installed. Control equipment The unit is equipped with an electronic control unit. The control unit is incorporated in the unit and controls the operation of the fans, the rotary heat exchanger and any pre-heating or post-heating device. Outdoor air sensor Extract air sensor Supply air sensor Pre-heater Extract air fan 6. Heat exchanger 7. Supply...

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Heat recovery unit RDAS TECHNICAL DATA Air flow, pressure drop, SFPv, sound data Extract air fan SFPv 2 including impeller motor power consumption Diagram 6. a) Extract air fan, setting control voltage (V) b) Sound to duct LwA (dB) for extract air fan SFPv 1,5 including impeller motor power consumption SFPv 1 including impeller motor power consumption Diagram 5. a) Supply air fan, setting control voltage (V) b) Sound to duct, LwA, for supply air fan Sound power level in octave bands to duct and room Sound power level in octave bands to duct The sound power level Lw (dB) in octave bands to extract...

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Heat recovery unit RDAS TECHNICAL DATA Dimensions and weight Dimensions and weight 550 Connection T F U A Diameter 200 1601) 200 1601) Connection Supply air Extract air Outdoor air Exhaust air 1) Fläkt Woods Increased to Ø200 mm as soon as the space allows. We reserve the right to make changes

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Heat recovery unit RDAS TECHNICAL DATA Product code, optional extras, accessories Product code Optional extras in product code Heat recovery unit Moisture control This function automatically limits the rotary heat exchanger’s moisture recovery at high levels of humidity in the indoor air. This function can also be ordered retrospectively to supplement the unit, using product code: RDKZ-51-1. Battery (b) 0 = without 1 = post-heating, El. (1000 W) 2 = post-heating, El. + pre-heating, El. (2    000 W) x1 CO2 control The function regulates to a pre-set setpoint value. Fan speed is automatically adjusted...

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