Domestic Water Heat Pump (10 bar) WPA 303 ECO-2 300 Litres

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Domestic Water Heat Pump (10 bar) WPA 303 ECO-2 300 Litres

Exceptionally high COP value of 3.8
Significantly expanded operating range (-7°C to +35°C)
STB under the cover of the heater
No electrical or refrigeration connection required
Wide range of operating possibilities (heating by heat pump or boiler)
SVGW certification
Improved service, since the upper part no longer needs to be disassembled to change the magnesium anode

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Exceptionally high COP value of 3.8
Significantly expanded operating range (-7°C to +35°C)
STB under the cover of the heater
No electrical or refrigeration connection required
Wide range of operating possibilities (heating by heat pump or boiler)
SVGW certification
Improved service, since the upper part no longer needs to be disassembled to change the magnesium anode

Domestic water heat pump

Operating pressure: 10 bar
Capacity: 300 L
High-quality PU foam insulation
With potential-free switching input for photovoltaic systems
Exceptionally energy-saving operation
The units have a compact design and come pre-wired
Corrosion protection with high-quality enamelling according to
DIN 4753 T3
No heat transfer losses between heat pump and water heater
No electrical or refrigeration connection required
Wide range of operating possibilities
Also makes room cooling possible in addition to hot water
preparation
Digital temperature display
Easy to select basic programmes for all operating modes

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Technical data

Max. Heat output 1850 W / 3350 W¹
Max. Power consumption 560 W (60°C)
Electric power output 440 W / 1940 W¹
Electrical connection ~ 230 V / 50 Hz
Protection class 16 A / IPX 1
Maximum water temperature 55°C – 65°C2 /Auxiliary heater to ~ 75° C
Air temperature -7 °C + 35 °C
Refrigerant R 134 A
Refrigerant quantity 0.9 kg
Max. Heat pump pressure 2.3 MPa
Max. Tank pressure 1.0 MPa
Water connections R1” (circulation: R3/4“)

Air duct connection Ø 150 mm / max.10 m

Max. additional power consumption 300 W
Weight 150 kg
Volume 300 L
COP value (EN16147;A15W55;XL)1 3.85
Heat exchanger power 15 kW
Required air flow rate 380 m³ /h
Max. temperature in the tank + 85 °C (safety thermostat)

Sound pressure level 47 dB(A)
Minimum ceiling height 2100 mm
Auxiliary electric heater 1.5 kW

1…with electric heating
2…with electric heating (heat pump operation up to max. 60 °C)

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