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AWN BASIC

EXHAUST FANS WITH HEAT RECOVERY

Exhaust air heat recovery (AWN) with heat pump for the on-demand exhaust air system

In this version (formerly called AWN-RV and AWN-DV), AWN can be associated with third-party heat pumps via a brine buffer. The AWN Basic is a combination of an air exhaust module and a heat exchanger to ensure heat recovery.

The AWN Basic can be used, for example, if the heat pump technology is already installed in a building. To do this, it must have a big enough heat sink, for example via a laminated storage tank, so that the AWN Basic can be fed with a cold enough fluid (0 ° C maximum) and that large amounts of heat can thus be extracted from stale air.

Because heat vapors are not specifically designed to reuse waste heat, sufficient brine buffer (stratified storage tank) is required to ensure more homogeneous heat transfer.

To allow consistent operation and continuous transfer of available heat from stale air, a combination with Aereco’s Connect WP (without brine buffer) must be used (see product : AWN Connect).

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2 types of ventilation module: RV for indoor installation & DV for outdoor installation

Constant pressure control: ideal for demand-controlled ventilation

Easy to maintain: motor easily accessible by a trapdoor to clean the blades

Silent: acoustic foam on the entire envelope and sound trap available on request, optional.

Low energy consumption: the EC engine meets the requirements of EnEV

Easy to install: man available adaptation parts, possibility of custom-built construction

Free choice of heat pump

Free connection to the heating circuit and / or hot water preparation

Description
Characteristics
Schematic
Gallery
Documents

To be combined with a suitable heat pump

In order to effectively dissipate heat lost in the heat exchanger, it must be cooled as much as possible with cold brine. On the other hand, the brine temperature must then be raised to a usable level in order to effectively introduce heat into the building. The AWN Basic must always be associated with a suitable heat pump. The Aereco exhaust air heat pump is particularly suitable for this purpose : unlike conventional brine / water heat pumps, the Connect WP is perfectly adapted to the use of exhaust air heat and ensures operating times. and high margins with high returns.

Constant pressure control

The fan creates a negative pressure in the suction chamber of the AWN Basic to evacuate the extracted air from the building. On-demand air extraction elements always adapt to the humidity of the room and require variable volumetric flow rates. Aereco’s constant pressure control technology ensures constant suction pressure in all product of AWN range.

Easy maintenance

An air filter protects downstream parts, such as the heat exchanger and the fan, reliably against contamination. Instead of a complex cleaning of these parts, only the filter must be replaced each year by a new one.

Filter monitoring

If the pressure loss of the filter increases sharply before the next maintenance, a filter monitor issues a warning message. The message can be transmitted, for example, to the building management system.

    AWN DV-A40 Basic 101 AWN DV-A50 Basic 101 AWN DV-A70 Basic 101
Information        
Installation   Outdoor Outdoor Outdoor
Recommanded setting pressure Pa 130 130 130
Max. airflow (75%) m³/h 1.650 2.475 3.600
Sound pressure level at 3m distance (75%) – Lp, A dB(A) 45 47 48
Sound power level from the suction side device (75%) – Lw, A dB(A) 52 56 61
Sound power level from the pressure side device (75%) – Lw, A dB(A) –   –
Required height for maintenance operations mm 1.800 2.100 2.300
Connection to the main station        
Exhaust air – pipe connection (DN) mm ø 355 ø 400 ø 400
Exhaust air – connection options   1-2 connections left/right/front side
Standard : 1 x frontal (bypass laterally)		 1-2 connections left/right/front side
Standard : 1 x frontal (bypass laterally)		 1-2 connections left/right/front side
Standard : 1 x frontal (bypass laterally)
Integrated elastic connector for pipe   Included Included Included
Brine – Pipe connection mm ø 22 (Cu) ø 28 (Cu) ø 28 (Cu)
Brine – Max. Airflow (Recommendation) m³/h 1 2,4 2,8
Brine – Permitted antifreeze   Ethylene glycol Ethylene glycol Ethylene glycol
Brine – Internal pressure loss airflow kPa 22 35 31
Condensate – Pipe connection mm ø 20 ø 20 ø 20
Brine/ Condensate – Connection options   Left or right Left or right Left or right
Energetic data        
Max. Recoverable exhaust heat – heating period
(Brine flow 4 ° C)		 MWh 18 32 45
Max. Power of the heat exchanger at flow rate at recommended settings (brine flow 4 ° C) kW 5,8 11,6 15,4
Ventilation and acoustic features        
Max Airflow (100%) at 130Pa m³/h 2.200 3.300 4.800
Soud pressure level – 3 meters distance at 100/50% db(A) 54 / 40 52 / 41 54 / 43
Sound power level on suction side at 100/50% dB(A) 55 / 49 62 / 52 65 / 56
Sound power level on the pressure side at 100/50% db(A) – – –
Integrated pressure control        
Digital pressure display   Included Included Included
Max. increase of pressure Pa 300 300 300
Electrical data        
Fan – Drive technology   EC-Motor EC-Motor EC-Motor
Repair switch   Included Included Included
Supply voltage V / Hz 230 / 50 230 / 50 230 / 50
Max current consumption A 2 2,4 3,3
Power consumption fan device (75%) at 130 Pa W 177 226 355
SFP fan (75%) W/m³/h 0,107 0,091 0,099
Max. fan power consumption (Motor) W 465 530 740
Index fan protection IP 54 54 54
Fan’s motor protection   Internally Internally Internally
Fault signal and heat pump release   Contact for groupe message, digital display on the device Contact for groupe message, digital display on the device Contact for groupe message, digital display on the device
Max acceptable exhaust air temperature °C 40 40 40
Housing properties        
Weight (unfilled unit) kg 173 205 364
Material   Steel (galvanized), Aluminum Steel (galvanized), Aluminum Steel (galvanized), Aluminum
Other components        
Filter protection class (including filter monitoring)   G4 G4 G4
Integrate condensate tray with siphon   Included Included Included
Smoke detector and bypass for free outflow in case of fire   Included Included Included

All data for exhaust air with 20 ° C and 50% rel. Humidity and for brine from 35% ethylene glycol water

 

  AWN RV-A40 Basic 100/101 AWN RV-A50 Basic 100/101
Information    
Installation Indoor: 100, Outdoor: 101 Indoor: 100, Outdoor: 101
Recommanded setting pressure 130 130
Max. airflow (75%) 1.275 1.950
Sound pressure level at 3m distance (75%) – Lp, A 42 36
Sound power level from the suction side device (75%) – Lw, A 61 53
Sound power level from the pressure side device (75%) – Lw, A 63 66
Required height for maintenance operations 1.600 1.800
Connection to the main station    
Exhaust air – pipe connection (DN) ø 355 ø 400
Exhaust air – connection options 1-2 connections left/right/front side
Standard : 1 x frontal (bypass laterally)		 1-2 connections left/right/front side
Standard : 1 x frontal (bypass laterally)
Integrated elastic connector for pipe Included Included
Brine – Pipe connection ø 22 (Cu) ø 28 (Cu)
Brine – Max. Airflow (Recommendation) 1 2,4
Brine – Permitted antifreeze Ethylene glycol Ethylene glycol
Brine – Internal pressure loss airflow 22 35
Condensate – Pipe connection ø 20 ø 20
Brine/ Condensate – Connection options Left or right Left or right
Energetic data    
Max. Recoverable exhaust heat – heating period
(Brine flow 4 ° C)		 15 26
Max. Power of the heat exchanger at flow rate at recommended settings (brine flow 4 ° C) 5 7,8
Ventilation and acoustic features    
Max Airflow (100%) at 130Pa 1.700 2.600
Soud pressure level – 3 meters distance at 100/50% 44 / 41 42 / 28
Sound power level on suction side at 100/50% 71 / 63 57 / 49
Sound power level on the pressure side at 100/50% 67 / 60 73 / 59
Integrated pressure control    
Digital pressure display Included Included
Max. increase of pressure 300 300
Electrical data    
Fan – Drive technology EC-Motor EC-Motor
Repair switch Included Included
Supply voltage 230 / 50 230 / 50
Max current consumption 2 2,3
Power consumption fan device (75%) at 130 Pa 151 225
SFP fan (75%) 0,118 0,115
Max. fan power consumption (Motor) 450 520
Index fan protection 54 54
Fan’s motor protection Internally Internally
Fault signal and heat pump release Contact for groupe message, digital display on the device Contact for groupe message, digital display on the device
Max acceptable exhaust air temperature 40 40
Housing properties    
Weight (unfilled unit) 195 260
Material Steel (galvanized), Aluminum Steel (galvanized), Aluminum
Other components    
Filter protection class (including filter monitoring) G4 G4
Integrate condensate tray with siphon Included Included
Smoke detector and bypass for free outflow in case of fire Included Included

All data for exhaust air with 20 ° C and 50% rel. Humidity and for brine from 35% ethylene glycol water

AWN DV-A40 BASIC

 

AWN DV-A50 BASIC

AWN DV-A70 BASIC

RV-A40 BASIC

AWN RV-A50 BASIC

AWN BASIC

Product booklet - AWN BASIC - FLY697_BASIC_GB_v1
AWN RV

Product booklet – FLY660GB_v2
AWN DV

Product booklet – FLY661GB_v3
AWN RV – AWN DV

Specifications for heat pump – FLY662GB_v1
AWN RV – AWN DV

Codification of the range – FLY663_v1 // FR - GB
AWN RV

Installation and maintenance instruction – NOT659EX_v5
Compatible ventilation systems:

Mechanical exhaust ventilation with heat recovery – MEVHR
Similar products

AWN ECO+ - Exhaust Fans with heat pump

Exhaust fans with heat recovery

The AWN Eco+ is a compact and fully integrated exhaust air heat pump. Here, the ventilation unit and the heat pump are combined in one. This components’ closeness allows a direct transmission of the exhaust air heat to the refrigerant which enhances the device efficiency and energy saving. The ventilation adapts the airflows according to the needs in the dwelling thanks to Aereco’s humidity-sensitive exhaust air system: the on-demand management is ensured at any time.

The heat provided throughout the year is then released by the heat pump directly to the heating water of the building heating system. The AWN Eco+ drastically reduces the energy load for heating water.

AWN CONNECT - Exhaust Fans with heat pump

Exhaust fans with heat recovery

AWN Connect combines AWN Basic with Connect WP, a brine / saltwater / water heat pump designed specifically for AWN. While the AWN Basic is installed where the exhaust ducts end - above or under the roof - the Connect WP is designed for indoor installation and can be placed in the boiler room.

On the cold source side, the Connect WP cools a brine circuit up to 2 ° C and feeds the cold brine to the AWN Basic heat exchanger using an integrated feed pump. The heat is extracted from the stale air and returned to the heat pump. The heat pump raises the temperature level of the heat produced and makes it available the whole year through the heating water to the building's heating system.

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