Atag Energion Nuos Plus 250 Twin Sys heat pump boiler 250 liters

The ATAG Energion Nuos Plus 250 is a floor-standing heat pump boiler with a 250-liter hot water tank, providing large amounts of hot water at high temperatures (up to a maximum of 62°C). It operates with both indoor and outdoor air. Silent, compact, and rated with an A+ energy label. Energy savings of up to 80% on hot water consumption are possible.

Features

80% energy savings compared to a standard electric boiler
Highest energy label: A+
Suitable for small spaces
Fast heating time: 03:59 hours
Up to 256 liters of hot water at 55°C available
Operating temperature of the heat pump: -10°C to +42°C
Water temperature with heat pump: up to 62°C
5 pre-programmed modes: Green, Auto, Boost, Program, and Vacation
"Silent mode": reduces noise level by 50%
Suitable for renovation and new construction
This Twin Sys version allows the connection of two external heat sources via two coils

Technical Specifications

Feature	Value
Brand	ATAG
Supplier Code	3069812
EAN Code	5414849990784
Discount Group	107
Protection Class (IEC 61140)	I
Width	600 mm
Model	Monobloc
Height	1997 mm
Depth	680 mm
Weight	115 kg
Power Consumption	0.9 kW
Tank Material	Enameled Steel
Water Connection	3/4"
With Heating Connection	No
Additional Heating Power Input	2.5 kW
Heat Exchanger Surface Area	0.65 m²
Suitable for Wall Mounting	No
Nominal Capacity	245 l
Circulation Connection	3/4"
Operating Pressure (Water Side)	6 bar
Solar Integration	Yes
Max. Water Temperature	75°C
With Air Duct Connection	Yes
Heat Source	Other
Connection Voltage	230 V
Self-Learning	Yes
Protection Class (IP)	IPX4
Capacity Profile	XL
Adjustable Air Outlet	Yes
Thermostat Type	Electronic
Refrigerant Content	1.3 kg
Heating Element with Soapstone Sleeve	Yes
Anode Protection	Titanium + Magnesium
Nominal Power Consumption Heat Pump (EN 16147, 20°C)	0.7 kW
Standby Power Consumption (EN 16147)	0.022 kW
Energy Efficiency Class (20°C)	A+
Energy Efficiency Class (7°C)	A+
With Circulation Connection	Yes
Three-Phase Version	No
With Digital Display	Yes
Refrigerant Type	R134a
Suitable for Floor Installation	Yes
Air Temperature Range	-10°C to +42°C

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