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Duplexvent DV50 Professional Line Side Entry - Up to 230 m 3 /hr air volume

100% Automatic Bypass

Multi Spigot Design

The unique multi spigot design gives installers the flexibility to connect the ducting to the unit from different directions which reduces the number of duct connections and saves time on installation. Fitted with an electric post-heater, the unit keeps the indoor air temperature at the required temperature level at all times hence saves energy especially during the winter period. Having the latest, low energy EC fan technology, the DV50 complies with the ErP 2015 standards. The unit comes with an outstanding 5 year warranty + , is SAP Appendix Q eligible, tested by TUV laboratories and also certified by the Passive House Institute.

The unit incorporates the brand new smart frost protection facility which significantly reduces the energy consumed to protect the heat exchanger from freezing (see below for more information). Equipped with a 4-speed simple controller the unit also has an automatic, 100% bypass facility which fully covers the heat exchanger at the pre-defined temperature and helps to effectively cool the indoor air during the summer months. The DV50 is designed with a unique triple filter facility including a F7 pollen filter which provides additional protection against invisible, harmful particles and creates an ultra hygienic environment, particularly relevant for those suffering from asthma or other respiratory conditions.

The unit is equipped with an automatic, 100% bypass which totally isolates the heat exchanger so that no air passes through it. This provides effective cooling in the summer season.

The unique multi spigot design gives installers the flexibility to connect the ducting to the unit from different directions which reduces the number of duct connections and saves time on installation.

Exhaust Air

Outdoor Air

INSIDE

OUTSIDE

Supply Air Extract Air Outdoor Air Exhaust Air

New Smart Frost Protection

Supply Air to the dwelling

Extract Air from the dwelling

Traditional Frost Protection Logic

New Smart Frost Protection Logic

Traditional Frost Protection Logic

New Smart Frost Protection Logic

5

5

1

1

1

1

+X°C Supply Air

+X°C Supply Air

ca.+21°C Extract Air (Defrosting)

+X°C Supply Air

ca.+21°C Extract Air

+X°C Supply Air

ca.+21°C Extract Air (Defrosting)

ca.+21°C Extract Air

FH

FH

100%

100%

~40%

~40%

Accessability Landlords can protect their investment by insuring planned maintenance from outside the dwelling to preserve building fabric, ensure occupier wellbeing and save energy without the need to access the dwelling or disturb the tenant. This significantly shortens maintenance time and saves on service cost.

100%

100%

3

3

3

3

100%

100%

~60%

~60%

2

2

ca. Exhaust Air +6°C

ca. Exhaust Air +6°C

Outdoor Air ca.–10°C

Outdoor Air ca.–10°C

Outdoor Air ca.–10°C

Outdoor Air ca.–10°C

Exhaust Air ca. 0°C

Exhaust Air ca. 0°C

EPH

EPH

ca.0°C

ca.0°C

6

6

2

2

4

4

Timing and energy consumption graph when frost heater is used (ca. 50% less energy consumption)

Timing and energy consumption graph when frost heater is used (ca. 50% less energy consumption)

Timing and energy consumption graph when electric pre-heater is used

Timing and energy consumption graph when electric pre-heater is used

(W) Power

Power (W)

(W) Power

Power (W)

Time

Time

Time

Time

On the traditional frost protection method, the outdoor air is pre-heated before passing through the heat exchanger. This way the unit could still provide balanced ventilation even when the frost protection was on. However, the electric heater kicks in intermittently hence consumes more energy than needed.

The new Smart Frost Protection method works in a more energy efficient manner which constantly monitors the heat exchanger conditions and uses the frost heater only when necessary. This significantly reduces the energy consumption and provides more heat recovery throughout the winter season.

• Electric pre-heater • Frost heater • Electric bypass damper 4 5 6

• Supply air fan • Exhaust air fan • Heat exchanger 1 2 3

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