Air-Heat Recovery Heat pumps AiWa In

Compact air-to-water heat pump for heating, cooling and domestic hot water with the possibility of installation either in the utility room or outdoors. A short closed refrigerant circuit with a silent scroll compressor at the bottom under the fan simplifies installation and helps for long-term stable operation.
Use for multi-family dwellings, suburban mixed-use buildings or commercial operations. The Urban range is based on a robust construction quality steel for all parts. High quality, long proven heat pump circuit components extend the life of the heat pump.
Thermal energy in exhaust air from various industrial or ancillary processes is used as a primary source. Usually in the temperature range between 20° and 50°C. Depending on the quality and chemical composition of the exhaust air, the heat is extracted either directly in the heat pump or via a pre-wired heat exchanger with intermediate circuit. The heat pump then raises this temperature with high efficiency to a usable temperature for heating or hot water.

Heat pump type: AiWa H Indoor 23 WHR 30 WHR
Product sheet
Article nr. WA0i2142 WA0i2143
Heating capacity [ kW ] EN 14511
A7 / W35 18.7 23.9
A2 / W35 15.1 19.3
A-7 / W34 11.7 15.1
A7 / W55 16.5 21.1
A2 / W55 13.5 17.4
A-7 / W52 10.7 13.8
Energy Efficiency Parameters and Performance ErP [ middle temperature region ]
Rated nominal heating capacity P rated [ kW ] 13.2 17.0
Energy class A+++ A+++
SCOP 4.15 4.07
Seasonal energy efficiency η [ % ] 166.1 162.9
Bivalent point [ ºC ] -7 -7
Parameter of heat sink
Maximal flow temperature [ ºC ] 85 85
Minimal flow temperature [ ºC ] 45 45
Flow nominal [ m3/h ] [@35/30] 3.22 4.12
Pressure drop [ kPa ] [@35/30] 14 15
Nominal ∆T [ K ] [@W35°C] 5 5
Nominal ∆T [ K ] [@W55°C] 8 8
Nominal ∆T [ K ] [@W65°C] 10 10
Connection port size [ " ] 1.1/2" 1.1/2"
Parameter of low temperature heat source
Minimal source temperature [ ºC ] -10 -10
Maximal source temperature [ ºC ] 40 40
Flow source nominal [ m3/h ] 5830 7390
Pressure drop source [ kPa ] 0.032 0.032
Nominal ∆T source [ K ] 7 7
Connection port size source [ " ] 1200mm x 1200mm 1200mm x 1200mm
Electrical parameters
Voltage [ V ] 3~ 400/50 3~ 400/50
Safety protection [ A ] C25 C25
Current - nominal [ A ] 13.19 17.22
Current - maximal [ A ] 17.70 22.30
Current - Start [ A ] 10.5 12.9
Softstart MCI 25 MCI 25
Sound information
Sound power - indoor Lw [ dB(A) ] 68 71
Sound power - outdoor Lw [ dB(A) ]
Sound pressure Lp in 1 meter [ dB(A) ] 60 63
Sound pressure Lp in 5 meter [ dB(A) ] 46 49
Sound pressure Lp in 10 meter [ dB(A) ] 40 43
Sound pressure Lp in 15 meter [ dB(A) ] 37 39
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certifitates

We have been continuously certifying our heat pumps in the Swiss laboratory at the OST University in Buchs.

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