Extraction & sanitary hot water

An extraction system with active heat recovery recovers the energy in the air extracted from the home and transfers it to a sanitary hot water tank by means of a heat pump. The system uses significantly less energy to produce sanitary hot water than a traditional water heater.

During extraction, dust particles, moisture and odours are removed from the home. At the same time, you get a comfortable and healthy indoor climate and reduce your heating bill.

Models
 

VGU 250

VGU 250 extracts warm, humid air from kitchens, bathrooms and utility rooms. The energy from the extracted air is reused to produce domestic hot water, and the system is so efficient that the unit only uses a third of the energy of a conventional water heater.

It consists of a 230 litre hot water tank and continuously variable fan with a capacity for extracting up to 325 m3/h.

The hot water tank is coated with a double layer of glass enamel and has a sacrificial anode, thus providing optimum corrosion protection and extending the cylinder's service life.

The unit is supplied with an extra heating coil, which means it can be combined with solar heating, oil, gas, district heating or any other fuel for increased domestic hot water production.

Dimensions (WxDxH) 600 × 600 × 1810 mm
Weight 140 kg
Plate type casing Aluzinc steel plate, white powder coating RAL9016
Heat loss casing 3,07 W/K
Duct connections Ø 160 mm
Condensate drain PVC, Ø 20
Supply voltage 230V, 50 HZ
Max. input/power 180W/1,6A
Tightness class IP31
Standby power 1 W
Ambient temperature 0/+40 °C

Ecodesign/ERP data

Fan data
Motordata (optimalt driftspunkt)

Data sheet
VGU data sheet

Brochure
Ventilation and indoor climate solutions

Installation and user instructions
VGU 250

 

 

Consumer profile, water heater XL (Extra-large)
Energy efficiency class A
Energy efficiency for water heating - average climate 103 %
Annual electricity consumption - average climate 1634 kWh/annum
Temperature settings on the thermostat 10 - 65 °C
Sound power level LWA 57 dB(A)
The water heater can function outside peak load periods (Smart-grid) No
Guidelines for assembly, installation and maintenance See installation
instructions
Energy efficiency for water heating - cold climate 103 %
Energy efficiency for water heating - warm climate 103 %
Annual electricity production - cold climate 1634 kWh/annum
Annual electricity consumption - warm climate 1634 kWh/annum

 

Capacity

Capacity of standard unit as a function of qv and Pt,ext.

Sound data

Sound output level LWA drops with falling air volumes and falling back-pressure.

At a given distance, the sound pressure level LpA will depend on the acoustic conditions at the installation site.

COP (air-water)

Heat output factor COP and heat output Qw for sanitary hot water as a function of the volume flow qv at a tank temperature of 40°C or 50°C and extract air temperature t11 = 20°C hht. EN 255-3.

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Lillestrøm, Norway
16 - 19 October 2019
Nilan A/S · Nilanvej 2 · 8722 Hedensted · Denmark · Phone +4576752500 · nilan@nilan.dk
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