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  1. HR300 Single Room Heat Recovery Unit
    [HR300SR]

    Our Price:   £539.99

    £647.99 inc. VAT
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    The HR300 unit incorporates 2 specially developed mixed flow fans for low noise and efficiency, with up to 70% heat recovery. Effectively lowering internal relative humidity the HR300 unit controls condensation and eliminates mould growth. Designed for through the wall mounting.

    Fresh, pre-warmed air from outside is continually provided to the room with simultaneous extraction of stale moist air and smells. Heat is transferred via a unique plastic heat exchanger from outgoing air to the fresh air supply with no cross contamination, maintaining internal temperatures and providing a fresh environment. The unit is fully controllable for speed using a small dedicated speed controller. Automatic ON/OFF control or switching to boost is easily achieved using sensors/timers e.g. humidistat. For summer operation the heatexchanger can be removed and replaced with a plastic divider board to provide positive cooling to rooms.

    Available in three speeds: 20, 58 and 83 l/s. It is ideal for light commercial applications including function rooms, offices and classrooms.

    Efficiency: The unit should retain up to 70% of the temperature differential of out going air.

    Heat exchanger: Should be of a multi plate cross-flow type constructed out of a polymeric plastic with ultra sonic welded joints.

    Motor: Should be a 240V 50Hz A/C with sleeve bearings and greased for life. It shall operate up to an ambient temperature of 40°C and be fitted with a manual reset thermal overload protective device.

    Fan: The 2-N° polymeric fan impellers should be of a mixed flow type, dynamically balanced mounted on a fixed stator housing.

    Controls: The unit should be operated via a remote 3 Position switch, humidistat or a humidiswitch.

    Back Draught Shutter: The unit should have the option back draught shutter operated via a thermal actuator set to close when unit is powered down.

    Filter: Should be a washable reticulated foam type coarse filter.

    Construction: The unit outer case should be a rigid ABS moulding. The internal/external grille should be a cream coloured ABS moulding.
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