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 t...
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 heat exchanger 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.
The HR300 unit requires a 380mm x 280mm hole. Units should be level and square in the wall. The unit should be fitted so that it overhangs by a minimum of 50mm on the inside, and a minimum of 70mm on the outside. An extension sleeve is available for walls up to 650mm thick.
Extract Performance l/s |
Supply Performance l/s |
||||
Trickle | Medium | Boost | Trickle | Medium | Boost |
20 | 58 | 83 | 19 | 52 | 75 |
Maximum | 108.0W |
Performance: | l/s | l/s |
Max ventilation rate | 83 | 83.33 |
Low Supply Rate | 19 | 19.44 |
Low Extract Rate | 20 | 20.83 |
Normal Supply Rate | 52 | 52.78 |
Normal Extract Rate | 58 | 58.34 |
Boost Supply Rate | 75 | 75.0 |
Boost Extract Rate | 83 | 83.33 |
N° speed settings | 3 |
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.
Sound Levels: | dB(A) @ 3m |
Trickle: | 37 |
Medium: | 40 |
Boost: | 44 |
Mains electrical supply: 230VAC 50Hz.
Complies to the following approvals/directives: LVD, EMC and CE.
Heat Recovery Efficiency (Up to - %) | 70 |
Product Category | Heat Recovery Unit |
Product Type | Heat Recovery - Single Room |
Product Group | Ventilation Fan |
Decibel Rating (dB) - Max | 57.52 |
Colour | White |
Packaged Weight (Kg) | 9.8 |
Packaged Length (mm) | 400 |
Packaged Width (mm) | 375 |
Packaged Height (mm) | 555 |
Airflow Performance (m³/h) - High | 298.80 |
Quick Search: | QS3196 |
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The top space (1200 CF)of a lighthouse in northwestern PA water condenses on the glass surfaces in the winter. Would this unit remove enough moisture to prevent that problem?
Hello Harold
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