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Modul-AIR AQUA

The Modul-AIR AQUA Exhaust Air Heat Pump (EAHP) provides central mechanical extract ventilation (cMEV) & domestic hot water (DHW).

The system uses the waste heat from the extract ventilation through a heat pump cycle to provide the hot water for the dwelling. With regulations continuing to develop a typical dwellings heating load is reducing while the requirement for more renewable heat sources is increasing. The Modul-AIR Aqua efficiently provides all of the hot water requirement, which will be the largest energy requirement of a typical dwelling. With regard to the UK this solution is future proofing the development post Future Homes 2025 standards. In Ireland this solution will meet NZEB building standards with the addition of solar PV.

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Why This Technology?

  • UK

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  • Ireland

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UK

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Ireland

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Ventilation

When there is no domestic hot water load the Modul-AIR AQUA operates as a standard cMEV system. The ventilation rates are in line with Part F (Ireland, England, Wales) and Part CCC (Scotland) boost and trickle rates. Boost can be provided via a number of options such as manual, humidity or CO2. When domestic hot water demand the ventilation rate increases to boost level. The energy is extracted from the stale air and the now cool air is exhausted to outside.

Fresh air is passively drawn into the habitable rooms of the dwelling via suitably sized natural vents.

 

Ventilation

Storeroom Design Considerations

Certain measures must be considered when designing the store room for the Modulair AQUA and cylinder. Firstly, the Modulair must be mounted on a suitably structured wall. It cannot be mounted on a wall adjoining a bedroom.

Clearance distances on both the heat pump and cylinder must be adhered to in order to provide suitable maintenance access for the system. Careful consideration must be taken to ensure these clearance distances aren’t restricted by standard door head heights.

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Ducting Design Considerations

A good ducting design should look to minimise system pressure drops. One way excessive pressure drops can happen is if ducting sizes are too small. We recommend using 220x90mm on main runs and on signle branches this can be reduced to 204x60mm.

Another way excessive pressure drops can happen is if the external vents are not adequately sized.

These must be a double airbrick or a vent of equal free area. The exhaust and fresh air supply must be 220x90mm and insulated if in a heated space.

 

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Ducting Design Considerations

Item No.Desc.CapacityImageDownload
HMMC-PP-001MODULAIR AQUA 150L150L
HMMC-PP-002MODULAIR AQUA 180L180L
HMMC-PP-004 MODUL-AIR AQUA 210L 210L


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