| Type | Index number | Status |
|---|---|---|
| Centralised MEV and MVHR systems | 500336 | Normal |
| Brand | Model name | Model qualifier |
| Greenwood | Vireo HR155WM | |
| 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 | Greenwood Air Management Ltd | |
| Current manufacturer name | Zehnder Group UK Ltd | |
| Manufacturer address |
Concept House Watchmoor Point Camberley Surrey GU15 3AD |
|
| Manufacturer phone | 01276 408404 | |
| Manufacturer website | www.zehnder.co.uk | |
| First year of manufacture | 2013 | |
| Final year of manufacture | current | |
| Summer bypass | yes | |
| Integrated to exhaust air heat pump | No | |
| Entry updated | 04/08/2014 15:30 | |
| K+n wet rooms | SFP (W/l/s) [2009] | Efficiency (%) [2009] | SFP (W/l/s) [2012] | Efficiency (%) [2012] | SFP (W/l/s) [10] | Efficiency (%) [10] |
|---|---|---|---|---|---|---|
| n = 1 | 0.75 | 93% | 0.77 | 92% | 0.77 | 92% |
| n = 2 | 0.77 | 92% | 0.90 | 91% | 0.90 | 91% |
| n = 3 | 0.85 | 91% | 1.10 | 90% | 1.10 | 90% |
| n = 4 | 0.98 | 90% | - | - | - | - |
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