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Type	Index number	Status
Centralised MEV and MVHR systems	500878	Normal
Brand	Model name	Model qualifier
Viessmann	Vitovent 300-W	H32S C400
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	Viessmann Ltd
Current manufacturer name	Viessmann Ltd
Manufacturer address	Hortonwood 30 Telford Shropshire TF1 7YP
Manufacturer phone	01952 675000
Manufacturer website	www.viessmann.co.uk
First year of manufacture	2020
Final year of manufacture	current
Summer bypass	yes
Integrated to exhaust air heat pump	No
Entry updated	08/03/2024 15:47

 

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	0.61	93%	0.48	92%	0.48	92%
n = 2	0.52	92%	0.49	91%	0.49	91%
n = 3	0.50	91%	0.53	90%	0.53	90%
n = 4	0.53	91%	0.63	90%	0.63	90%
n = 5	0.56	90%	0.74	90%	0.74	90%
n = 6	0.61	90%	0.90	89%	0.90	89%
n = 7	0.70	90%	1.08	89%	1.08	89%

 

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