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Type Index number Status
Centralised MEV and MVHR systems 500361 Normal
Brand Model name Model qualifier
Nuaire MRXBOX95AB-WH1
     
System type balanced whole-house mechanical ventilation with heat recovery
Duct type rigid  
Minimum duct size 125 mm diameter or 204 x 60 rectangular or larger
Original manufacturer name The Nuaire Group
Current manufacturer name The Nuaire Group
Manufacturer address Western Industrial Estate
Caerphilly
CF83 1NA
Manufacturer phone 029 2085 8200
Manufacturer website www.nuaire.co.uk
First year of manufacture 2013  
Final year of manufacture current  
Summer bypass unknown  
Integrated to exhaust air heat pump No  
Entry updated 18/02/2014 14:00  

 

K+n wet rooms SFP (W/l/s) [2009] Efficiency (%) [2009] SFP (W/l/s) [2012] Efficiency (%) [2012]
n = 1 0.49 89% 0.52 88%
n = 2 0.47 88% 0.56 88%
n = 3 0.50 88% 0.67 88%
n = 4 0.57 88% 0.78 86%
n = 5 0.66 87% 0.95 86%
n = 6 0.76 86% 1.16 85%
n = 7 0.90 86% 1.40 85%

In-use factors

In-use factors are shown as multiplying factors for SFP or MVHR efficiency

Default In-use Factors

  SFP SFP SFP Efficiency Efficiency Last updated
  Flexible duct Rigid duct No duct Uninsulated duct Insulated duct  
MEV centralised 1.70 1.40       16/12/2011 08:02
MEV decentralised 1.45 1.30 1.15     12/05/2007 09:52
MVHR 1.70 1.40   0.70 0.85 16/12/2011 08:02
Default 2.50 2.50 2.50 0.70 0.70 15/10/2007 12:16

 

Approved Installation Scheme In-use factors

  SFP SFP SFP Efficiency Efficiency Last updated
  Flexible duct Rigid duct No duct Uninsulated duct Insulated duct  
MEV centralised 1.60 1.30       16/12/2011 08:02
MEV decentralised 1.45 1.30 1.15     12/05/2007 09:52
MVHR 1.60 1.25   0.70 0.85 16/12/2011 08:02
Default 2.50 2.50 2.50 0.70 0.70 15/10/2007 12:16

 

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