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DXA

HEAT RECOVERY UNIT FOR WALL INSTALLATION

Heat recovery with demand control for wall installation

The DXA was specifically designed for wall or cupboards installation. Thanks to its well-fitted dimensions, the DXA can be installed both in kitchen and in other technical rooms, wall-mounted. A creamy white metal sheet covers the front face of the DXA, which allows it to be unnoticed as a technical equipment. The DXA unit is compatible with two demand control strategies used in the DX System “Premium” and “Excellence”.

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Constant pressure fitted to demand controlled exhaust units.

DynamiX® Technology: ensures a silent system and optimal indoor air quality.

Very low energy consumption by combining demand control of airflows and heat recovery.

Easy installation in cupboard spaces thanks to its optimal dimensions.

Easy maintenance of the filters through designed trapdoors.

Body made of EPP, an environmental friendly material.

Description

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Indoor Air Quality at its best

The DXA enhances indoor comfort by providing healthy air, at a milder temperature, preheated by the integrated heat exchanger. To feel good at home, the DynamiX® Technology, available on “Excellence” version, adapts, at any time, both supply and exhaust airflows to the occupants needs in every room through accurate sensors (CO2 or presence). The Dynamix® Technology is a smart demand control strategy specific to the DX System which follows two main purposes: to reduce inherent noise from the heat recovery system while guaranteeing the best Indoor Air Quality.

An outstanding energy performance throughout the year

By combining the benefits of a full demand control of airflows and heat recovery, the DXA offers the best energy performance solution. With an 93% heat exchanger efficiency and a reduction by half of the statistical airflows leading to an equivalent saving on the associated thermal allows to reach about 95% energy savings when compared with a mechanical exhaust ventilation system at constant airflow, with the same indoor air quality.

Easy to install

DXA has been designed in such a way that only one person is required to install it. Handles on the side of the unit are specifically designed in order to better grasp it. In addition, the appliance has a very high resistance to weight ratio. Weighting only 23 kg, DXA requires few wall clampings.

Easy to maintain and set up

Three filters can be easily replaced without dismounting the unit, by simply removing the trapdoors. Filter durability is doubled compared to traditional heat recovery systems, notably thanks to a very large surface of filtration and demand controlled airflows. A color LCD touch screen allows the occupant to view system parameters, to diagnose operation, to control setups such as automatic bypass temperature, to boost ventilation or to action a free cooling on demand. It also notifies the occupant when the filters need to be replaced.

Sustainability

The main material used to produce the DXA, the EPP (Expanded Polypropylene), is a ¨green¨ material, environmentally friendly, 100% recyclable. It does not include any VOC (volatile organic compound), CFC (chlorofluorocarbon) or other compounds known to be particularly harmful to the environment.

HRV unit with demand control for cupboard installation		DXA	DXA
Standard code		DXA1240 (Excellence / Premium) DXA1712 (Evolution) DXA1705 (Reference)	DXA1247 (Excellence / Premium) DXA1711 (Evolution) DXA1706 (Reference)
Maximum airflow	m³/h	230
Other nominal airflows	m³/h	80 / 140 / 200 / 230
Airflow compensation (filter clogging)		Automatic
Airflow balance (supply and exhaust)		Automatic
Acoustics
Sound power level Lw @ 161 m³/h, 50 Pa	dB(A)	52
Sound power level Lwa [ a / b / c / d ]	dB	49 / 54 / 59 / 60
Ecodesign
SEC, Climate for Evolution, Premium, Excellence	kWh/(m².an)	Cold : -84.32 / Average : -44.62 / Warm : -18.53
SEC, Climate for Reference	kWh/(m².an)	Cold : -78.75 / Average : -39.31 / Warm : -14.09
Label (EU Ecodesign Directive)		A+ (for excellence, Premium, Evolution) – A (for Reference)
Ecodesign Information		Download the Ecodesign Information	Download the Ecodesign Information
ErP Label		Download the ErP DXA1240GM Label Download the ErP DXA1240EX Label	Download the ErP DXA1247GM Label Download the ErP DXA1247EX Label
Electrics
Power supply		230 VAC, 50 Hz
Motor type		EC (x2)
Power consumption @ 161 m³/h @50 Pa	W	36.5
Power consumption @ 230 m³/h @50 Pa	W	92.0
Sensors connections		RJ12
Demand control
Compatible versions of DX System		Excellence / Premium / Evolution / Reference
Min – Max number of sensors for modulation at supply		1 – 5 for Excellence – At least 1 for Premium – None for others
Min – Max number of sensors for modulation at exhaust		1 – 5 for Excellence / Premium
Sensors type at supply		Presence / CO2 (Excellence / Premium)
Exhaust units type		Humidity / presence / switch / CO2 / VOC (Excellence / Premium / Evolution)
Characteristics
Exchanger		Polystyrene / Counter flow type / 93 % efficiency
Filters		On supply air: 2 x F7 / On exhaust air: 1 x G4
Weight	kg	23
Colour		Black / grey EPP -white painted Galvanized steel houssing (option)
Material (main)		Expanded polypropylene (EPP) covered by a white galvanized metal sheet (optionnal)
Dimensions (H x W x L)	mm	with duct connectors: 1 428 x 552 x 545 without duct connectors: 1 188 x 552 x 545
Certifications		CE
Installation
Max. number of main rooms		6
Max. number of technical rooms		5
Connections		2 x (2 x ø160 mm)
Installation		2 wall fixed rails
Other functions (in option)
Interface		2.8″ Colour Touch Screen interface (Excellence / Premium) Control module / Wifi (Evolution / Reference)
Bypass		Controlled by outdoor temperature / Also used for free cooling
Pre-heating (optional)		With resistance in fresh air ductwork from outside
Condensation management		Condensate pump	Exhaust through siphon
Temperature of use
Installation room		Frost Free: +5°c < T° < +50°C
Incoming outdoor fresh air or Extract		-5°c < T° < +50°C without pre-heating -26°c < T° < +50°C with pre-heating

AIRFLOW / DIMENSIONS

Image	Code	Designation
	ADX1428	DXA filter kit. Contains 1xG4 and 2xF7
	ADX1449	Design cover for inlet and outlets ducts of DXA
	ADW1167	Acoustic silencers
	IHM1438	Remote colored touchscreen interface. Connection RJ12
	IHM1439
	IHM1294
	IHM1295
	IHM1440
	IHM1441